Archive

2024 ¹

January ¹

Real-Time Voice🎙️ Translator🔊

January 5, 2024 · 8 min · 1625 words · Samir Paul

2023 ⁶

December ¹

Data Structures and Algorithms for Coding Interview

December 20, 2023 · 2 min · 269 words · Samir Paul

July ²

Online PDF Compression Tool

July 20, 2023 · 3 min · 437 words · Samir Paul

System Design Course

July 7, 2023 · 195 min · 41493 words · Samir Paul

June ¹

Operating System Notes For Placement

June 20, 2023 · 41 min · 8584 words · Samir Paul

April ¹

PyShooter Python Game

April 27, 2023 · 1 min · 114 words · Samir Paul

March ¹

Text File Compressor De-compressor Web App

March 12, 2023 · 2 min · 309 words · Samir Paul

2022 ⁹

December ¹

Some of My Online Courses Certificates

December 20, 2022 · 1 min · 29 words · Samir Paul

October ¹

URL Shortening Service

October 29, 2022 · 16 min · 3403 words · Samir Paul

July ¹

SQL Joins - Inner, Left, Right and Full Joins

July 20, 2022 · 1 min · 37 words · Samir Paul

May ⁶

Leetcode Solutions Cheatsheet

May 20, 2022 · 203 min · 43105 words · Samir Paul

List of Python Frameworks Libraries Software and Resources

May 20, 2022 · 38 min · 7995 words · Samir Paul

Lists of Technical Interview Questions

May 20, 2022 · 15 min · 3168 words · Samir Paul

Open External Links in a New Window Using JavaScript

May 20, 2022 · 2 min · 340 words · Samir Paul

Python Cheat Sheet for Leetcode

May 20, 2022 · 16 min · 3339 words · Samir Paul

System design interview for IT companies

May 20, 2022 · 6 min · 1158 words · Samir Paul

2021 ¹³

February ⁴

Curated List of Project Based Tutorials

February 20, 2021 · 13 min · 2751 words · Samir Paul

High-level design

February 20, 2021 · 1 min · 18 words · Samir Paul

LeetCode all two pointers problems

February 20, 2021 · 2 min · 301 words · Samir Paul

LeetCode Greedy for Beginners

February 20, 2021 · 3 min · 476 words · Samir Paul

January ⁹

Binary Search Template

January 20, 2021 · 23 min · 4800 words · Samir Paul

Company engineering blog links

January 20, 2021 · 1 min · 137 words · Samir Paul

Complete Computer Science Study Plan to Become a Software Engineer

January 20, 2021 · 49 min · 10368 words · Samir Paul

Computer Networks Notes

January 20, 2021 · 131 min · 27775 words · Samir Paul

DP for Beginners

January 20, 2021 · 8 min · 1552 words · Samir Paul

Dynamic Programming Patterns

January 20, 2021 · 10 min · 2077 words · Samir Paul

Embed MusicApp

January 20, 2021 · 1 min · 35 words · Samir Paul

Google Programmable Search Engine

January 20, 2021 · 1 min · 186 words · Samir Paul

Graph For Beginners

January 20, 2021 · 9 min · 1795 words · Samir Paul

2020 ³⁰¹⁸

November ⁵⁷⁶

Two Sum

November 24, 2020 · 5 min · 1006 words · Samir Paul

Add Two Numbers

November 24, 2020 · 10 min · 2105 words · Samir Paul

Longest Substring Without Repeating Characters

November 24, 2020 · 7 min · 1329 words · Samir Paul

Median of Two Sorted Arrays

November 24, 2020 · 10 min · 1961 words · Samir Paul

Longest Palindromic Substring

November 24, 2020 · 10 min · 2053 words · Samir Paul

Zigzag Conversion

November 24, 2020 · 9 min · 1859 words · Samir Paul

Reverse Integer

November 24, 2020 · 5 min · 1053 words · Samir Paul

String to Integer (atoi)

November 24, 2020 · 7 min · 1422 words · Samir Paul

Palindrome Number

November 24, 2020 · 5 min · 1048 words · Samir Paul

Regular Expression Matching

November 24, 2020 · 13 min · 2737 words · Samir Paul

Container With Most Water

November 24, 2020 · 5 min · 878 words · Samir Paul

Integer to Roman

November 24, 2020 · 4 min · 804 words · Samir Paul

Roman to Integer

November 24, 2020 · 6 min · 1171 words · Samir Paul

Longest Common Prefix

November 24, 2020 · 4 min · 844 words · Samir Paul

3Sum

November 24, 2020 · 9 min · 1889 words · Samir Paul

3Sum Closest

November 24, 2020 · 5 min · 939 words · Samir Paul

Letter Combinations of a Phone Number

November 24, 2020 · 9 min · 1797 words · Samir Paul

4Sum

November 24, 2020 · 8 min · 1664 words · Samir Paul

Remove Nth Node From End of List

November 24, 2020 · 6 min · 1089 words · Samir Paul

Valid Parentheses

November 24, 2020 · 6 min · 1095 words · Samir Paul

Merge Two Sorted Lists

November 24, 2020 · 11 min · 2324 words · Samir Paul

Generate Parentheses

November 24, 2020 · 5 min · 956 words · Samir Paul

Merge k Sorted Lists

November 24, 2020 · 7 min · 1375 words · Samir Paul

Swap Nodes in Pairs

November 24, 2020 · 9 min · 1720 words · Samir Paul

Reverse Nodes in k-Group

November 23, 2020 · 8 min · 1670 words · Samir Paul

Remove Duplicates from Sorted Array

November 23, 2020 · 5 min · 1009 words · Samir Paul

Remove Element

November 23, 2020 · 4 min · 789 words · Samir Paul

Find the Index of the First Occurrence in a String

November 23, 2020 · 7 min · 1469 words · Samir Paul

Divide Two Integers

November 23, 2020 · 6 min · 1179 words · Samir Paul

Substring with Concatenation of All Words

November 23, 2020 · 9 min · 1787 words · Samir Paul

Next Permutation

November 23, 2020 · 5 min · 1054 words · Samir Paul

Longest Valid Parentheses

November 23, 2020 · 9 min · 1839 words · Samir Paul

Search in Rotated Sorted Array

November 23, 2020 · 6 min · 1217 words · Samir Paul

Find First and Last Position of Element in Sorted Array

November 23, 2020 · 5 min · 1055 words · Samir Paul

Search Insert Position

November 23, 2020 · 4 min · 641 words · Samir Paul

Valid Sudoku

November 23, 2020 · 5 min · 998 words · Samir Paul

Sudoku Solver

November 23, 2020 · 8 min · 1535 words · Samir Paul

Count and Say

November 23, 2020 · 6 min · 1067 words · Samir Paul

Combination Sum

November 23, 2020 · 9 min · 1847 words · Samir Paul

Combination Sum II

November 23, 2020 · 11 min · 2300 words · Samir Paul

First Missing Positive

November 23, 2020 · 5 min · 1021 words · Samir Paul

Trapping Rain Water

November 23, 2020 · 5 min · 868 words · Samir Paul

Multiply Strings

November 23, 2020 · 7 min · 1353 words · Samir Paul

Wildcard Matching

November 23, 2020 · 5 min · 977 words · Samir Paul

Jump Game II

November 23, 2020 · 5 min · 865 words · Samir Paul

Permutations

November 23, 2020 · 6 min · 1166 words · Samir Paul

Permutations II

November 23, 2020 · 6 min · 1103 words · Samir Paul

Rotate Image

November 23, 2020 · 4 min · 827 words · Samir Paul

Group Anagrams

November 22, 2020 · 6 min · 1162 words · Samir Paul

Pow(x, n)

November 22, 2020 · 4 min · 815 words · Samir Paul

N-Queens

November 22, 2020 · 7 min · 1331 words · Samir Paul

N-Queens II

November 22, 2020 · 4 min · 842 words · Samir Paul

Maximum Subarray

November 22, 2020 · 5 min · 960 words · Samir Paul

Spiral Matrix

November 22, 2020 · 17 min · 3423 words · Samir Paul

Jump Game

November 22, 2020 · 4 min · 678 words · Samir Paul

Merge Intervals

November 22, 2020 · 6 min · 1265 words · Samir Paul

Insert Interval

November 22, 2020 · 9 min · 1802 words · Samir Paul

Length of Last Word

November 22, 2020 · 4 min · 784 words · Samir Paul

Spiral Matrix II

November 22, 2020 · 7 min · 1282 words · Samir Paul

Permutation Sequence

November 22, 2020 · 5 min · 883 words · Samir Paul

Rotate List

November 22, 2020 · 7 min · 1412 words · Samir Paul

Unique Paths

November 22, 2020 · 9 min · 1723 words · Samir Paul

Unique Paths II

November 22, 2020 · 5 min · 1035 words · Samir Paul

Minimum Path Sum

November 22, 2020 · 6 min · 1125 words · Samir Paul

Valid Number

November 22, 2020 · 8 min · 1496 words · Samir Paul

Plus One

November 22, 2020 · 4 min · 681 words · Samir Paul

Add Binary

November 22, 2020 · 5 min · 872 words · Samir Paul

Text Justification

November 22, 2020 · 7 min · 1458 words · Samir Paul

Sqrt(x)

November 22, 2020 · 4 min · 680 words · Samir Paul

Climbing Stairs

November 22, 2020 · 9 min · 1842 words · Samir Paul

Simplify Path

November 22, 2020 · 5 min · 963 words · Samir Paul

Edit Distance

November 22, 2020 · 5 min · 1059 words · Samir Paul

Set Matrix Zeroes

November 21, 2020 · 12 min · 2356 words · Samir Paul

Search a 2D Matrix

November 21, 2020 · 7 min · 1451 words · Samir Paul

Sort Colors

November 21, 2020 · 4 min · 832 words · Samir Paul

Minimum Window Substring

November 21, 2020 · 8 min · 1539 words · Samir Paul

Combinations

November 21, 2020 · 8 min · 1564 words · Samir Paul

Subsets

November 21, 2020 · 6 min · 1068 words · Samir Paul

Word Search

November 21, 2020 · 9 min · 1902 words · Samir Paul

Remove Duplicates from Sorted Array II

November 21, 2020 · 5 min · 959 words · Samir Paul

Search in Rotated Sorted Array II

November 21, 2020 · 5 min · 941 words · Samir Paul

Remove Duplicates from Sorted List II

November 21, 2020 · 6 min · 1270 words · Samir Paul

Remove Duplicates from Sorted List

November 21, 2020 · 5 min · 878 words · Samir Paul

Largest Rectangle in Histogram

November 21, 2020 · 5 min · 1013 words · Samir Paul

Maximal Rectangle

November 21, 2020 · 7 min · 1327 words · Samir Paul

Partition List

November 21, 2020 · 5 min · 933 words · Samir Paul

Scramble String

November 21, 2020 · 12 min · 2476 words · Samir Paul

Merge Sorted Array

November 21, 2020 · 5 min · 1046 words · Samir Paul

Gray Code

November 21, 2020 · 3 min · 611 words · Samir Paul

Subsets II

November 21, 2020 · 8 min · 1603 words · Samir Paul

Decode Ways

November 21, 2020 · 7 min · 1430 words · Samir Paul

Reverse Linked List II

November 21, 2020 · 8 min · 1536 words · Samir Paul

Restore IP Addresses

November 21, 2020 · 6 min · 1174 words · Samir Paul

Binary Tree Inorder Traversal

November 21, 2020 · 12 min · 2544 words · Samir Paul

Unique Binary Search Trees II

November 21, 2020 · 6 min · 1203 words · Samir Paul

Unique Binary Search Trees

November 21, 2020 · 3 min · 610 words · Samir Paul

Interleaving String

November 20, 2020 · 16 min · 3385 words · Samir Paul

Validate Binary Search Tree

November 20, 2020 · 9 min · 1716 words · Samir Paul

Recover Binary Search Tree

November 20, 2020 · 6 min · 1094 words · Samir Paul

Same Tree

November 20, 2020 · 14 min · 2791 words · Samir Paul

Symmetric Tree

November 20, 2020 · 7 min · 1292 words · Samir Paul

Binary Tree Level Order Traversal

November 20, 2020 · 6 min · 1174 words · Samir Paul

Binary Tree Zigzag Level Order Traversal

November 20, 2020 · 7 min · 1335 words · Samir Paul

Maximum Depth of Binary Tree

November 20, 2020 · 5 min · 897 words · Samir Paul

Construct Binary Tree from Preorder and Inorder Traversal

November 20, 2020 · 11 min · 2243 words · Samir Paul

Construct Binary Tree from Inorder and Postorder Traversal

November 20, 2020 · 6 min · 1139 words · Samir Paul

Binary Tree Level Order Traversal II

November 20, 2020 · 5 min · 996 words · Samir Paul

Convert Sorted Array to Binary Search Tree

November 20, 2020 · 6 min · 1253 words · Samir Paul

Convert Sorted List to Binary Search Tree

November 20, 2020 · 8 min · 1691 words · Samir Paul

Balanced Binary Tree

November 20, 2020 · 6 min · 1156 words · Samir Paul

Minimum Depth of Binary Tree

November 20, 2020 · 10 min · 2052 words · Samir Paul

Path Sum

November 20, 2020 · 6 min · 1129 words · Samir Paul

Path Sum II

November 20, 2020 · 6 min · 1099 words · Samir Paul

Flatten Binary Tree to Linked List

November 20, 2020 · 7 min · 1314 words · Samir Paul

Distinct Subsequences

November 20, 2020 · 6 min · 1253 words · Samir Paul

Populating Next Right Pointers in Each Node

November 20, 2020 · 9 min · 1751 words · Samir Paul

Populating Next Right Pointers in Each Node II

November 20, 2020 · 11 min · 2327 words · Samir Paul

Pascal’s Triangle

November 20, 2020 · 3 min · 600 words · Samir Paul

Pascal’s Triangle II

November 20, 2020 · 3 min · 517 words · Samir Paul

Triangle

November 20, 2020 · 6 min · 1073 words · Samir Paul

Best Time to Buy and Sell Stock

November 19, 2020 · 4 min · 732 words · Samir Paul

Best Time to Buy and Sell Stock II

November 19, 2020 · 7 min · 1459 words · Samir Paul

Best Time to Buy and Sell Stock III

November 19, 2020 · 4 min · 805 words · Samir Paul

Binary Tree Maximum Path Sum

November 19, 2020 · 7 min · 1430 words · Samir Paul

Valid Palindrome

November 19, 2020 · 5 min · 1028 words · Samir Paul

Word Ladder II

November 19, 2020 · 5 min · 984 words · Samir Paul

Word Ladder

November 19, 2020 · 10 min · 2072 words · Samir Paul

Longest Consecutive Sequence

November 19, 2020 · 7 min · 1396 words · Samir Paul

Sum Root to Leaf Numbers

November 19, 2020 · 6 min · 1263 words · Samir Paul

Surrounded Regions

November 19, 2020 · 13 min · 2726 words · Samir Paul

Palindrome Partitioning

November 19, 2020 · 5 min · 952 words · Samir Paul

Palindrome Partitioning II

November 19, 2020 · 5 min · 897 words · Samir Paul

Clone Graph

November 19, 2020 · 6 min · 1086 words · Samir Paul

Gas Station

November 19, 2020 · 5 min · 923 words · Samir Paul

Candy

November 19, 2020 · 6 min · 1148 words · Samir Paul

Single Number

November 19, 2020 · 3 min · 474 words · Samir Paul

Single Number II

November 19, 2020 · 7 min · 1351 words · Samir Paul

Copy List with Random Pointer

November 19, 2020 · 11 min · 2134 words · Samir Paul

Word Break

November 19, 2020 · 9 min · 1814 words · Samir Paul

Word Break II

November 19, 2020 · 6 min · 1110 words · Samir Paul

Linked List Cycle

November 19, 2020 · 5 min · 970 words · Samir Paul

Linked List Cycle II

November 19, 2020 · 6 min · 1223 words · Samir Paul

Reorder List

November 19, 2020 · 8 min · 1642 words · Samir Paul

Binary Tree Preorder Traversal

November 19, 2020 · 9 min · 1711 words · Samir Paul

Binary Tree Postorder Traversal

November 18, 2020 · 9 min · 1893 words · Samir Paul

LRU Cache

November 18, 2020 · 11 min · 2158 words · Samir Paul

Insertion Sort List

November 18, 2020 · 3 min · 598 words · Samir Paul

Sort List

November 18, 2020 · 8 min · 1599 words · Samir Paul

Max Points on a Line

November 18, 2020 · 6 min · 1238 words · Samir Paul

Evaluate Reverse Polish Notation

November 18, 2020 · 5 min · 950 words · Samir Paul

Reverse Words in a String

November 18, 2020 · 4 min · 752 words · Samir Paul

Maximum Product Subarray

November 18, 2020 · 4 min · 671 words · Samir Paul

Find Minimum in Rotated Sorted Array

November 18, 2020 · 4 min · 702 words · Samir Paul

Find Minimum in Rotated Sorted Array II

November 18, 2020 · 3 min · 610 words · Samir Paul

Min Stack

November 18, 2020 · 6 min · 1178 words · Samir Paul

Binary Tree Upside Down

November 18, 2020 · 3 min · 564 words · Samir Paul

Read N Characters Given Read4

November 18, 2020 · 6 min · 1105 words · Samir Paul

Read N Characters Given read4 II - Call Multiple Times

November 18, 2020 · 6 min · 1157 words · Samir Paul

Longest Substring with At Most Two Distinct Characters

November 18, 2020 · 2 min · 387 words · Samir Paul

Intersection of Two Linked Lists

November 18, 2020 · 6 min · 1275 words · Samir Paul

One Edit Distance

November 18, 2020 · 3 min · 487 words · Samir Paul

Find Peak Element

November 18, 2020 · 4 min · 648 words · Samir Paul

Missing Ranges

November 18, 2020 · 4 min · 699 words · Samir Paul

Maximum Gap

November 18, 2020 · 5 min · 894 words · Samir Paul

Compare Version Numbers

November 18, 2020 · 5 min · 907 words · Samir Paul

Fraction to Recurring Decimal

November 18, 2020 · 4 min · 836 words · Samir Paul

Two Sum II - Input Array Is Sorted

November 18, 2020 · 7 min · 1432 words · Samir Paul

Excel Sheet Column Title

November 18, 2020 · 2 min · 410 words · Samir Paul

Majority Element

November 17, 2020 · 5 min · 866 words · Samir Paul

Two Sum III - Data structure design

November 17, 2020 · 3 min · 620 words · Samir Paul

Excel Sheet Column Number

November 17, 2020 · 2 min · 295 words · Samir Paul

Factorial Trailing Zeroes

November 17, 2020 · 2 min · 279 words · Samir Paul

Binary Search Tree Iterator

November 17, 2020 · 13 min · 2593 words · Samir Paul

Dungeon Game

November 17, 2020 · 4 min · 719 words · Samir Paul

Combine Two Tables

November 17, 2020 · 2 min · 423 words · Samir Paul

Second Highest Salary

November 17, 2020 · 2 min · 381 words · Samir Paul

Nth Highest Salary

November 17, 2020 · 2 min · 255 words · Samir Paul

Rank Scores

November 17, 2020 · 2 min · 384 words · Samir Paul

Largest Number

November 17, 2020 · 3 min · 534 words · Samir Paul

Consecutive Numbers

November 17, 2020 · 4 min · 641 words · Samir Paul

Employees Earning More Than Their Managers

November 17, 2020 · 2 min · 280 words · Samir Paul

Duplicate Emails

November 17, 2020 · 2 min · 281 words · Samir Paul

Customers Who Never Order

November 17, 2020 · 2 min · 390 words · Samir Paul

Department Highest Salary

November 17, 2020 · 3 min · 557 words · Samir Paul

Department Top Three Salaries

November 17, 2020 · 3 min · 609 words · Samir Paul

Reverse Words in a String II

November 17, 2020 · 3 min · 541 words · Samir Paul

Repeated DNA Sequences

November 17, 2020 · 5 min · 895 words · Samir Paul

Best Time to Buy and Sell Stock IV

November 17, 2020 · 13 min · 2697 words · Samir Paul

Rotate Array

November 17, 2020 · 5 min · 878 words · Samir Paul

Reverse Bits

November 17, 2020 · 3 min · 511 words · Samir Paul

Number of 1 Bits

November 17, 2020 · 4 min · 696 words · Samir Paul

Word Frequency

November 17, 2020 · 1 min · 115 words · Samir Paul

Valid Phone Numbers

November 16, 2020 · 1 min · 101 words · Samir Paul

Transpose File

November 16, 2020 · 1 min · 57 words · Samir Paul

Tenth Line

November 16, 2020 · 1 min · 80 words · Samir Paul

Delete Duplicate Emails

November 16, 2020 · 2 min · 387 words · Samir Paul

Rising Temperature

November 16, 2020 · 2 min · 313 words · Samir Paul

House Robber

November 16, 2020 · 4 min · 719 words · Samir Paul

Binary Tree Right Side View

November 16, 2020 · 8 min · 1536 words · Samir Paul

Number of Islands

November 16, 2020 · 16 min · 3399 words · Samir Paul

Bitwise AND of Numbers Range

November 16, 2020 · 2 min · 289 words · Samir Paul

Happy Number

November 16, 2020 · 6 min · 1120 words · Samir Paul

Remove Linked List Elements

November 16, 2020 · 4 min · 755 words · Samir Paul

Count Primes

November 16, 2020 · 3 min · 494 words · Samir Paul

Isomorphic Strings

November 16, 2020 · 5 min · 895 words · Samir Paul

Reverse Linked List

November 16, 2020 · 7 min · 1482 words · Samir Paul

Course Schedule

November 16, 2020 · 6 min · 1260 words · Samir Paul

Implement Trie (Prefix Tree)

November 16, 2020 · 10 min · 1934 words · Samir Paul

Minimum Size Subarray Sum

November 16, 2020 · 8 min · 1684 words · Samir Paul

Course Schedule II

November 16, 2020 · 6 min · 1181 words · Samir Paul

Design Add and Search Words Data Structure

November 16, 2020 · 7 min · 1309 words · Samir Paul

Word Search II

November 16, 2020 · 7 min · 1483 words · Samir Paul

House Robber II

November 16, 2020 · 4 min · 708 words · Samir Paul

Shortest Palindrome

November 16, 2020 · 4 min · 823 words · Samir Paul

Kth Largest Element in an Array

November 16, 2020 · 6 min · 1152 words · Samir Paul

Combination Sum III

November 16, 2020 · 11 min · 2234 words · Samir Paul

Contains Duplicate

November 15, 2020 · 4 min · 771 words · Samir Paul

The Skyline Problem

November 15, 2020 · 5 min · 959 words · Samir Paul

Contains Duplicate II

November 15, 2020 · 3 min · 583 words · Samir Paul

Contains Duplicate III

November 15, 2020 · 17 min · 3542 words · Samir Paul

Maximal Square

November 15, 2020 · 4 min · 669 words · Samir Paul

Count Complete Tree Nodes

November 15, 2020 · 9 min · 1821 words · Samir Paul

Rectangle Area

November 15, 2020 · 4 min · 693 words · Samir Paul

Basic Calculator

November 15, 2020 · 7 min · 1431 words · Samir Paul

Implement Stack using Queues

November 15, 2020 · 6 min · 1188 words · Samir Paul

Invert Binary Tree

November 15, 2020 · 8 min · 1508 words · Samir Paul

Basic Calculator II

November 15, 2020 · 6 min · 1142 words · Samir Paul

Summary Ranges

November 15, 2020 · 5 min · 956 words · Samir Paul

Majority Element II

November 15, 2020 · 4 min · 818 words · Samir Paul

Kth Smallest Element in a BST

November 15, 2020 · 9 min · 1739 words · Samir Paul

Power of Two

November 15, 2020 · 2 min · 414 words · Samir Paul

Implement Queue using Stacks

November 15, 2020 · 6 min · 1199 words · Samir Paul

Number of Digit One

November 15, 2020 · 4 min · 756 words · Samir Paul

Palindrome Linked List

November 15, 2020 · 6 min · 1103 words · Samir Paul

Lowest Common Ancestor of a Binary Search Tree

November 15, 2020 · 6 min · 1208 words · Samir Paul

Lowest Common Ancestor of a Binary Tree

November 15, 2020 · 6 min · 1081 words · Samir Paul

Delete Node in a Linked List

November 15, 2020 · 5 min · 858 words · Samir Paul

Product of Array Except Self

November 15, 2020 · 5 min · 975 words · Samir Paul

Sliding Window Maximum

November 15, 2020 · 7 min · 1302 words · Samir Paul

Search a 2D Matrix II

November 15, 2020 · 6 min · 1102 words · Samir Paul

Different Ways to Add Parentheses

November 14, 2020 · 5 min · 956 words · Samir Paul

Valid Anagram

November 14, 2020 · 6 min · 1077 words · Samir Paul

Shortest Word Distance

November 14, 2020 · 3 min · 451 words · Samir Paul

Shortest Word Distance II

November 14, 2020 · 4 min · 691 words · Samir Paul

Shortest Word Distance III

November 14, 2020 · 4 min · 670 words · Samir Paul

Strobogrammatic Number

November 14, 2020 · 2 min · 368 words · Samir Paul

Strobogrammatic Number II

November 14, 2020 · 3 min · 482 words · Samir Paul

Strobogrammatic Number III

November 14, 2020 · 4 min · 760 words · Samir Paul

Group Shifted Strings

November 14, 2020 · 3 min · 444 words · Samir Paul

Count Univalue Subtrees

November 14, 2020 · 5 min · 1017 words · Samir Paul

Flatten 2D Vector

November 14, 2020 · 4 min · 795 words · Samir Paul

Meeting Rooms

November 14, 2020 · 2 min · 415 words · Samir Paul

Meeting Rooms II

November 14, 2020 · 3 min · 458 words · Samir Paul

Factor Combinations

November 14, 2020 · 3 min · 438 words · Samir Paul

Verify Preorder Sequence in Binary Search Tree

November 14, 2020 · 2 min · 328 words · Samir Paul

Paint House

November 14, 2020 · 3 min · 497 words · Samir Paul

Binary Tree Paths

November 14, 2020 · 4 min · 754 words · Samir Paul

Add Digits

November 14, 2020 · 2 min · 268 words · Samir Paul

3Sum Smaller

November 14, 2020 · 3 min · 573 words · Samir Paul

Single Number III

November 14, 2020 · 5 min · 874 words · Samir Paul

Graph Valid Tree

November 14, 2020 · 3 min · 589 words · Samir Paul

Trips and Users

November 14, 2020 · 5 min · 916 words · Samir Paul

Ugly Number

November 14, 2020 · 3 min · 509 words · Samir Paul

Ugly Number II

November 14, 2020 · 5 min · 1059 words · Samir Paul

Paint House II

November 13, 2020 · 3 min · 577 words · Samir Paul

Palindrome Permutation

November 13, 2020 · 2 min · 352 words · Samir Paul

Palindrome Permutation II

November 13, 2020 · 3 min · 596 words · Samir Paul

Missing Number

November 13, 2020 · 5 min · 984 words · Samir Paul

Alien Dictionary

November 13, 2020 · 5 min · 1060 words · Samir Paul

Closest Binary Search Tree Value

November 13, 2020 · 7 min · 1413 words · Samir Paul

Encode and Decode Strings

November 13, 2020 · 4 min · 814 words · Samir Paul

Closest Binary Search Tree Value II

November 13, 2020 · 4 min · 706 words · Samir Paul

Integer to English Words

November 13, 2020 · 6 min · 1098 words · Samir Paul

H-Index

November 13, 2020 · 8 min · 1627 words · Samir Paul

H-Index II

November 13, 2020 · 4 min · 771 words · Samir Paul

Paint Fence

November 13, 2020 · 3 min · 427 words · Samir Paul

Find the Celebrity

November 13, 2020 · 4 min · 697 words · Samir Paul

First Bad Version

November 13, 2020 · 4 min · 749 words · Samir Paul

Perfect Squares

November 13, 2020 · 6 min · 1097 words · Samir Paul

Wiggle Sort

November 13, 2020 · 2 min · 365 words · Samir Paul

Zigzag Iterator

November 13, 2020 · 4 min · 703 words · Samir Paul

Expression Add Operators

November 13, 2020 · 5 min · 871 words · Samir Paul

Move Zeroes

November 13, 2020 · 4 min · 640 words · Samir Paul

Peeking Iterator

November 13, 2020 · 6 min · 1101 words · Samir Paul

Inorder Successor in BST

November 13, 2020 · 4 min · 739 words · Samir Paul

Walls and Gates

November 13, 2020 · 4 min · 733 words · Samir Paul

Find the Duplicate Number

November 13, 2020 · 4 min · 786 words · Samir Paul

Unique Word Abbreviation

November 13, 2020 · 6 min · 1168 words · Samir Paul

Game of Life

November 12, 2020 · 9 min · 1890 words · Samir Paul

Word Pattern

November 12, 2020 · 5 min · 972 words · Samir Paul

Word Pattern II

November 12, 2020 · 4 min · 831 words · Samir Paul

Nim Game

November 12, 2020 · 2 min · 311 words · Samir Paul

Flip Game

November 12, 2020 · 2 min · 396 words · Samir Paul

Flip Game II

November 12, 2020 · 6 min · 1257 words · Samir Paul

Find Median from Data Stream

November 12, 2020 · 8 min · 1525 words · Samir Paul

Best Meeting Point

November 12, 2020 · 4 min · 761 words · Samir Paul

Serialize and Deserialize Binary Tree

November 12, 2020 · 9 min · 1728 words · Samir Paul

Binary Tree Longest Consecutive Sequence

November 12, 2020 · 5 min · 922 words · Samir Paul

Bulls and Cows

November 12, 2020 · 4 min · 726 words · Samir Paul

Longest Increasing Subsequence

November 12, 2020 · 7 min · 1450 words · Samir Paul

Remove Invalid Parentheses

November 12, 2020 · 5 min · 988 words · Samir Paul

Smallest Rectangle Enclosing Black Pixels

November 12, 2020 · 7 min · 1366 words · Samir Paul

Range Sum Query - Immutable

November 12, 2020 · 6 min · 1210 words · Samir Paul

Range Sum Query 2D - Immutable

November 12, 2020 · 8 min · 1593 words · Samir Paul

Number of Islands II

November 12, 2020 · 9 min · 1854 words · Samir Paul

Additive Number

November 12, 2020 · 5 min · 858 words · Samir Paul

Range Sum Query - Mutable

November 12, 2020 · 18 min · 3733 words · Samir Paul

Range Sum Query 2D - Mutable

November 12, 2020 · 13 min · 2590 words · Samir Paul

Best Time to Buy and Sell Stock with Cooldown

November 12, 2020 · 9 min · 1720 words · Samir Paul

Minimum Height Trees

November 12, 2020 · 4 min · 790 words · Samir Paul

Sparse Matrix Multiplication

November 12, 2020 · 7 min · 1412 words · Samir Paul

Burst Balloons

November 12, 2020 · 4 min · 672 words · Samir Paul

Super Ugly Number

November 11, 2020 · 4 min · 836 words · Samir Paul

Binary Tree Vertical Order Traversal

November 11, 2020 · 8 min · 1503 words · Samir Paul

Count of Smaller Numbers After Self

November 11, 2020 · 11 min · 2164 words · Samir Paul

Remove Duplicate Letters

November 11, 2020 · 4 min · 825 words · Samir Paul

Shortest Distance from All Buildings

November 11, 2020 · 6 min · 1222 words · Samir Paul

Maximum Product of Word Lengths

November 11, 2020 · 6 min · 1152 words · Samir Paul

Bulb Switcher

November 11, 2020 · 1 min · 205 words · Samir Paul

Generalized Abbreviation

November 11, 2020 · 7 min · 1350 words · Samir Paul

Create Maximum Number

November 11, 2020 · 8 min · 1692 words · Samir Paul

Coin Change

November 11, 2020 · 7 min · 1339 words · Samir Paul

Number of Connected Components in an Undirected Graph

November 11, 2020 · 3 min · 612 words · Samir Paul

Wiggle Sort II

November 11, 2020 · 5 min · 899 words · Samir Paul

Maximum Size Subarray Sum Equals k

November 11, 2020 · 3 min · 475 words · Samir Paul

Power of Three

November 11, 2020 · 2 min · 426 words · Samir Paul

Count of Range Sum

November 11, 2020 · 8 min · 1544 words · Samir Paul

Odd Even Linked List

November 11, 2020 · 4 min · 671 words · Samir Paul

Longest Increasing Path in a Matrix

November 11, 2020 · 5 min · 895 words · Samir Paul

Patching Array

November 11, 2020 · 3 min · 493 words · Samir Paul

Verify Preorder Serialization of a Binary Tree

November 11, 2020 · 3 min · 527 words · Samir Paul

Reconstruct Itinerary

November 11, 2020 · 3 min · 455 words · Samir Paul

Largest BST Subtree

November 11, 2020 · 4 min · 739 words · Samir Paul

Increasing Triplet Subsequence

November 11, 2020 · 4 min · 661 words · Samir Paul

Self Crossing

November 11, 2020 · 4 min · 732 words · Samir Paul

Palindrome Pairs

November 11, 2020 · 7 min · 1302 words · Samir Paul

House Robber III

November 10, 2020 · 4 min · 778 words · Samir Paul

Counting Bits

November 10, 2020 · 3 min · 574 words · Samir Paul

Nested List Weight Sum

November 10, 2020 · 6 min · 1070 words · Samir Paul

Longest Substring with At Most K Distinct Characters

November 10, 2020 · 2 min · 410 words · Samir Paul

Flatten Nested List Iterator

November 10, 2020 · 11 min · 2194 words · Samir Paul

Power of Four

November 10, 2020 · 2 min · 283 words · Samir Paul

Integer Break

November 10, 2020 · 4 min · 821 words · Samir Paul

Reverse String

November 10, 2020 · 2 min · 426 words · Samir Paul

Reverse Vowels of a String

November 10, 2020 · 3 min · 635 words · Samir Paul

Moving Average from Data Stream

November 10, 2020 · 5 min · 899 words · Samir Paul

Top K Frequent Elements

November 10, 2020 · 5 min · 880 words · Samir Paul

Design Tic-Tac-Toe

November 10, 2020 · 5 min · 929 words · Samir Paul

Intersection of Two Arrays

November 10, 2020 · 3 min · 547 words · Samir Paul

Intersection of Two Arrays II

November 10, 2020 · 4 min · 823 words · Samir Paul

Android Unlock Patterns

November 10, 2020 · 7 min · 1280 words · Samir Paul

Data Stream as Disjoint Intervals

November 10, 2020 · 4 min · 792 words · Samir Paul

Design Snake Game

November 10, 2020 · 8 min · 1606 words · Samir Paul

Russian Doll Envelopes

November 10, 2020 · 3 min · 598 words · Samir Paul

Design Twitter

November 10, 2020 · 5 min · 949 words · Samir Paul

Line Reflection

November 10, 2020 · 3 min · 450 words · Samir Paul

Count Numbers with Unique Digits

November 10, 2020 · 5 min · 877 words · Samir Paul

Rearrange String k Distance Apart

November 10, 2020 · 4 min · 698 words · Samir Paul

Logger Rate Limiter

November 10, 2020 · 4 min · 645 words · Samir Paul

Sort Transformed Array

November 10, 2020 · 4 min · 750 words · Samir Paul

Bomb Enemy

November 9, 2020 · 6 min · 1119 words · Samir Paul

Design Hit Counter

November 9, 2020 · 4 min · 656 words · Samir Paul

Max Sum of Rectangle No Larger Than K

November 9, 2020 · 17 min · 3462 words · Samir Paul

Nested List Weight Sum II

November 9, 2020 · 6 min · 1215 words · Samir Paul

Water and Jug Problem

November 9, 2020 · 5 min · 932 words · Samir Paul

Find Leaves of Binary Tree

November 9, 2020 · 4 min · 720 words · Samir Paul

Valid Perfect Square

November 9, 2020 · 5 min · 855 words · Samir Paul

Largest Divisible Subset

November 9, 2020 · 3 min · 599 words · Samir Paul

Plus One Linked List

November 9, 2020 · 3 min · 556 words · Samir Paul

Range Addition

November 9, 2020 · 6 min · 1139 words · Samir Paul

Sum of Two Integers

November 9, 2020 · 2 min · 241 words · Samir Paul

Super Pow

November 9, 2020 · 3 min · 595 words · Samir Paul

Find K Pairs with Smallest Sums

November 9, 2020 · 4 min · 659 words · Samir Paul

Guess Number Higher or Lower

November 9, 2020 · 6 min · 1146 words · Samir Paul

Guess Number Higher or Lower II

November 9, 2020 · 5 min · 868 words · Samir Paul

Wiggle Subsequence

November 9, 2020 · 3 min · 584 words · Samir Paul

Combination Sum IV

November 9, 2020 · 3 min · 628 words · Samir Paul

Kth Smallest Element in a Sorted Matrix

November 9, 2020 · 4 min · 722 words · Samir Paul

Design Phone Directory

November 9, 2020 · 3 min · 602 words · Samir Paul

Insert Delete GetRandom O(1)

November 9, 2020 · 8 min · 1511 words · Samir Paul

Insert Delete GetRandom O(1) - Duplicates allowed

November 9, 2020 · 5 min · 858 words · Samir Paul

Linked List Random Node

November 9, 2020 · 4 min · 773 words · Samir Paul

Ransom Note

November 9, 2020 · 4 min · 666 words · Samir Paul

Shuffle an Array

November 9, 2020 · 6 min · 1087 words · Samir Paul

Mini Parser

November 8, 2020 · 20 min · 4109 words · Samir Paul

Lexicographical Numbers

November 8, 2020 · 4 min · 751 words · Samir Paul

First Unique Character in a String

November 8, 2020 · 3 min · 492 words · Samir Paul

Longest Absolute File Path

November 8, 2020 · 5 min · 966 words · Samir Paul

Find the Difference

November 8, 2020 · 5 min · 1031 words · Samir Paul

Elimination Game

November 8, 2020 · 3 min · 512 words · Samir Paul

Perfect Rectangle

November 8, 2020 · 5 min · 948 words · Samir Paul

Is Subsequence

November 8, 2020 · 4 min · 747 words · Samir Paul

UTF-8 Validation

November 8, 2020 · 4 min · 723 words · Samir Paul

Decode String

November 8, 2020 · 3 min · 496 words · Samir Paul

Longest Substring with At Least K Repeating Characters

November 8, 2020 · 4 min · 833 words · Samir Paul

Rotate Function

November 8, 2020 · 4 min · 721 words · Samir Paul

Integer Replacement

November 8, 2020 · 2 min · 377 words · Samir Paul

Random Pick Index

November 8, 2020 · 3 min · 628 words · Samir Paul

Evaluate Division

November 8, 2020 · 7 min · 1335 words · Samir Paul

Nth Digit

November 8, 2020 · 3 min · 517 words · Samir Paul

Binary Watch

November 8, 2020 · 5 min · 1040 words · Samir Paul

Remove K Digits

November 8, 2020 · 3 min · 551 words · Samir Paul

Frog Jump

November 8, 2020 · 10 min · 2117 words · Samir Paul

Sum of Left Leaves

November 8, 2020 · 4 min · 792 words · Samir Paul

Convert a Number to Hexadecimal

November 8, 2020 · 3 min · 508 words · Samir Paul

Queue Reconstruction by Height

November 8, 2020 · 3 min · 483 words · Samir Paul

Trapping Rain Water II

November 8, 2020 · 5 min · 891 words · Samir Paul

Valid Word Abbreviation

November 8, 2020 · 5 min · 1058 words · Samir Paul

Longest Palindrome

November 7, 2020 · 4 min · 762 words · Samir Paul

Split Array Largest Sum

November 7, 2020 · 5 min · 1042 words · Samir Paul

Minimum Unique Word Abbreviation

November 7, 2020 · 2 min · 338 words · Samir Paul

Fizz Buzz

November 7, 2020 · 3 min · 544 words · Samir Paul

Arithmetic Slices

November 7, 2020 · 3 min · 540 words · Samir Paul

Third Maximum Number

November 7, 2020 · 3 min · 560 words · Samir Paul

Add Strings

November 7, 2020 · 9 min · 1893 words · Samir Paul

Partition Equal Subset Sum

November 7, 2020 · 8 min · 1618 words · Samir Paul

Pacific Atlantic Water Flow

November 7, 2020 · 8 min · 1638 words · Samir Paul

Sentence Screen Fitting

November 7, 2020 · 3 min · 619 words · Samir Paul

Battleships in a Board

November 7, 2020 · 3 min · 503 words · Samir Paul

Strong Password Checker

November 7, 2020 · 6 min · 1187 words · Samir Paul

Maximum XOR of Two Numbers in an Array

November 7, 2020 · 5 min · 979 words · Samir Paul

Valid Word Square

November 7, 2020 · 3 min · 585 words · Samir Paul

Reconstruct Original Digits from English

November 7, 2020 · 3 min · 580 words · Samir Paul

Longest Repeating Character Replacement

November 7, 2020 · 3 min · 464 words · Samir Paul

Word Squares

November 7, 2020 · 5 min · 860 words · Samir Paul

Convert Binary Search Tree to Sorted Doubly Linked List

November 7, 2020 · 5 min · 896 words · Samir Paul

Construct Quad Tree

November 7, 2020 · 8 min · 1556 words · Samir Paul

Serialize and Deserialize N-ary Tree

November 7, 2020 · 2 min · 286 words · Samir Paul

N-ary Tree Level Order Traversal

November 7, 2020 · 6 min · 1245 words · Samir Paul

Flatten a Multilevel Doubly Linked List

November 7, 2020 · 4 min · 727 words · Samir Paul

Encode N-ary Tree to Binary Tree

November 7, 2020 · 2 min · 259 words · Samir Paul

All O`one Data Structure

November 7, 2020 · 5 min · 904 words · Samir Paul

Minimum Genetic Mutation

November 6, 2020 · 8 min · 1562 words · Samir Paul

Number of Segments in a String

November 6, 2020 · 3 min · 504 words · Samir Paul

Non-overlapping Intervals

November 6, 2020 · 3 min · 638 words · Samir Paul

Find Right Interval

November 6, 2020 · 4 min · 799 words · Samir Paul

Path Sum III

November 6, 2020 · 4 min · 806 words · Samir Paul

Find All Anagrams in a String

November 6, 2020 · 8 min · 1545 words · Samir Paul

Ternary Expression Parser

November 6, 2020 · 4 min · 666 words · Samir Paul

K-th Smallest in Lexicographical Order

November 6, 2020 · 3 min · 533 words · Samir Paul

Arranging Coins

November 6, 2020 · 3 min · 429 words · Samir Paul

Find All Duplicates in an Array

November 6, 2020 · 2 min · 411 words · Samir Paul

String Compression

November 6, 2020 · 4 min · 706 words · Samir Paul

Sequence Reconstruction

November 6, 2020 · 5 min · 880 words · Samir Paul

Add Two Numbers II

November 6, 2020 · 7 min · 1412 words · Samir Paul

Arithmetic Slices II - Subsequence

November 6, 2020 · 3 min · 569 words · Samir Paul

Number of Boomerangs

November 6, 2020 · 5 min · 947 words · Samir Paul

Find All Numbers Disappeared in an Array

November 6, 2020 · 4 min · 784 words · Samir Paul

Serialize and Deserialize BST

November 6, 2020 · 6 min · 1213 words · Samir Paul

Delete Node in a BST

November 6, 2020 · 7 min · 1297 words · Samir Paul

Sort Characters By Frequency

November 6, 2020 · 4 min · 652 words · Samir Paul

Minimum Number of Arrows to Burst Balloons

November 6, 2020 · 4 min · 659 words · Samir Paul

Minimum Moves to Equal Array Elements

November 6, 2020 · 2 min · 357 words · Samir Paul

4Sum II

November 6, 2020 · 3 min · 550 words · Samir Paul

Assign Cookies

November 6, 2020 · 4 min · 679 words · Samir Paul

132 Pattern

November 6, 2020 · 9 min · 1750 words · Samir Paul

Circular Array Loop

November 5, 2020 · 5 min · 904 words · Samir Paul

Poor Pigs

November 5, 2020 · 3 min · 590 words · Samir Paul

Repeated Substring Pattern

November 5, 2020 · 2 min · 328 words · Samir Paul

LFU Cache

November 5, 2020 · 13 min · 2589 words · Samir Paul

Hamming Distance

November 5, 2020 · 2 min · 271 words · Samir Paul

Minimum Moves to Equal Array Elements II

November 5, 2020 · 3 min · 453 words · Samir Paul

Island Perimeter

November 5, 2020 · 4 min · 697 words · Samir Paul

Can I Win

November 5, 2020 · 4 min · 706 words · Samir Paul

Optimal Account Balancing

November 5, 2020 · 5 min · 1039 words · Samir Paul

Count The Repetitions

November 5, 2020 · 4 min · 768 words · Samir Paul

Unique Substrings in Wraparound String

November 5, 2020 · 4 min · 655 words · Samir Paul

Validate IP Address

November 5, 2020 · 4 min · 730 words · Samir Paul

Convex Polygon

November 5, 2020 · 3 min · 559 words · Samir Paul

Implement Rand10() Using Rand7()

November 5, 2020 · 3 min · 625 words · Samir Paul

Encode String with Shortest Length

November 5, 2020 · 5 min · 1015 words · Samir Paul

Concatenated Words

November 5, 2020 · 5 min · 868 words · Samir Paul

Matchsticks to Square

November 5, 2020 · 5 min · 908 words · Samir Paul

Ones and Zeroes

November 5, 2020 · 7 min · 1436 words · Samir Paul

Heaters

November 5, 2020 · 4 min · 789 words · Samir Paul

Number Complement

November 5, 2020 · 3 min · 485 words · Samir Paul

Total Hamming Distance

November 5, 2020 · 2 min · 421 words · Samir Paul

Generate Random Point in a Circle

November 5, 2020 · 2 min · 230 words · Samir Paul

Largest Palindrome Product

November 5, 2020 · 3 min · 437 words · Samir Paul

Sliding Window Median

November 5, 2020 · 7 min · 1478 words · Samir Paul

Magical String

November 4, 2020 · 4 min · 657 words · Samir Paul

License Key Formatting

November 4, 2020 · 3 min · 599 words · Samir Paul

Smallest Good Base

November 4, 2020 · 3 min · 499 words · Samir Paul

Find Permutation

November 4, 2020 · 3 min · 535 words · Samir Paul

Max Consecutive Ones

November 4, 2020 · 3 min · 556 words · Samir Paul

Predict the Winner

November 4, 2020 · 6 min · 1243 words · Samir Paul

Max Consecutive Ones II

November 4, 2020 · 7 min · 1366 words · Samir Paul

Zuma Game

November 4, 2020 · 3 min · 558 words · Samir Paul

Robot Room Cleaner

November 4, 2020 · 8 min · 1651 words · Samir Paul

The Maze

November 4, 2020 · 8 min · 1559 words · Samir Paul

Non-decreasing Subsequences

November 4, 2020 · 3 min · 440 words · Samir Paul

Construct the Rectangle

November 4, 2020 · 2 min · 341 words · Samir Paul

Reverse Pairs

November 4, 2020 · 14 min · 2798 words · Samir Paul

Target Sum

November 4, 2020 · 8 min · 1586 words · Samir Paul

Teemo Attacking

November 4, 2020 · 3 min · 543 words · Samir Paul

Next Greater Element I

November 4, 2020 · 6 min · 1268 words · Samir Paul

Random Point in Non-overlapping Rectangles

November 4, 2020 · 5 min · 869 words · Samir Paul

Diagonal Traverse

November 4, 2020 · 4 min · 812 words · Samir Paul

The Maze III

November 4, 2020 · 7 min · 1366 words · Samir Paul

Keyboard Row

November 4, 2020 · 3 min · 629 words · Samir Paul

Find Mode in Binary Search Tree

November 4, 2020 · 5 min · 936 words · Samir Paul

IPO

November 4, 2020 · 4 min · 797 words · Samir Paul

Next Greater Element II

November 4, 2020 · 5 min · 983 words · Samir Paul

Base 7

November 4, 2020 · 3 min · 435 words · Samir Paul

The Maze II

November 3, 2020 · 6 min · 1253 words · Samir Paul

Relative Ranks

November 3, 2020 · 3 min · 553 words · Samir Paul

Perfect Number

November 3, 2020 · 2 min · 396 words · Samir Paul

Most Frequent Subtree Sum

November 3, 2020 · 6 min · 1092 words · Samir Paul

Fibonacci Number

November 3, 2020 · 3 min · 598 words · Samir Paul

Inorder Successor in BST II

November 3, 2020 · 4 min · 640 words · Samir Paul

Game Play Analysis I

November 3, 2020 · 2 min · 291 words · Samir Paul

Game Play Analysis II

November 3, 2020 · 2 min · 373 words · Samir Paul

Find Bottom Left Tree Value

November 3, 2020 · 8 min · 1684 words · Samir Paul

Freedom Trail

November 3, 2020 · 5 min · 964 words · Samir Paul

Find Largest Value in Each Tree Row

November 3, 2020 · 9 min · 1780 words · Samir Paul

Longest Palindromic Subsequence

November 3, 2020 · 3 min · 480 words · Samir Paul

Super Washing Machines

November 3, 2020 · 3 min · 633 words · Samir Paul

Coin Change II

November 3, 2020 · 3 min · 636 words · Samir Paul

Random Flip Matrix

November 3, 2020 · 3 min · 524 words · Samir Paul

Detect Capital

November 3, 2020 · 2 min · 294 words · Samir Paul

Longest Uncommon Subsequence I

November 3, 2020 · 2 min · 390 words · Samir Paul

Longest Uncommon Subsequence II

November 3, 2020 · 3 min · 625 words · Samir Paul

Continuous Subarray Sum

November 3, 2020 · 3 min · 507 words · Samir Paul

Longest Word in Dictionary through Deleting

November 3, 2020 · 4 min · 740 words · Samir Paul

Contiguous Array

November 3, 2020 · 3 min · 462 words · Samir Paul

Beautiful Arrangement

November 3, 2020 · 6 min · 1101 words · Samir Paul

Word Abbreviation

November 3, 2020 · 8 min · 1532 words · Samir Paul

Random Pick with Weight

November 3, 2020 · 6 min · 1174 words · Samir Paul

Minesweeper

November 2, 2020 · 6 min · 1273 words · Samir Paul

Minimum Absolute Difference in BST

November 2, 2020 · 4 min · 755 words · Samir Paul

Lonely Pixel I

November 2, 2020 · 3 min · 563 words · Samir Paul

K-diff Pairs in an Array

November 2, 2020 · 3 min · 547 words · Samir Paul

Lonely Pixel II

November 2, 2020 · 6 min · 1081 words · Samir Paul

Game Play Analysis III

November 2, 2020 · 3 min · 533 words · Samir Paul

Encode and Decode TinyURL

November 2, 2020 · 3 min · 634 words · Samir Paul

Construct Binary Tree from String

November 2, 2020 · 5 min · 877 words · Samir Paul

Complex Number Multiplication

November 2, 2020 · 3 min · 449 words · Samir Paul

Convert BST to Greater Tree

November 2, 2020 · 7 min · 1332 words · Samir Paul

Minimum Time Difference

November 2, 2020 · 3 min · 483 words · Samir Paul

Single Element in a Sorted Array

November 2, 2020 · 3 min · 597 words · Samir Paul

Reverse String II

November 2, 2020 · 2 min · 347 words · Samir Paul

01 Matrix

November 2, 2020 · 6 min · 1161 words · Samir Paul

Diameter of Binary Tree

November 2, 2020 · 6 min · 1164 words · Samir Paul

Output Contest Matches

November 2, 2020 · 3 min · 572 words · Samir Paul

Boundary of Binary Tree

November 2, 2020 · 6 min · 1115 words · Samir Paul

Remove Boxes

November 2, 2020 · 4 min · 713 words · Samir Paul

Number of Provinces

November 2, 2020 · 7 min · 1285 words · Samir Paul

Split Array with Equal Sum

November 2, 2020 · 4 min · 664 words · Samir Paul

Binary Tree Longest Consecutive Sequence II

November 2, 2020 · 5 min · 929 words · Samir Paul

Game Play Analysis IV

November 2, 2020 · 3 min · 621 words · Samir Paul

Student Attendance Record I

November 2, 2020 · 2 min · 284 words · Samir Paul

Student Attendance Record II

November 2, 2020 · 7 min · 1465 words · Samir Paul

Optimal Division

November 1, 2020 · 3 min · 569 words · Samir Paul

Brick Wall

November 1, 2020 · 3 min · 488 words · Samir Paul

Split Concatenated Strings

November 1, 2020 · 4 min · 852 words · Samir Paul

Next Greater Element III

November 1, 2020 · 3 min · 547 words · Samir Paul

Reverse Words in a String III

November 1, 2020 · 3 min · 450 words · Samir Paul

Logical OR of Two Binary Grids Represented as Quad-Trees

November 1, 2020 · 7 min · 1372 words · Samir Paul

Maximum Depth of N-ary Tree

November 1, 2020 · 3 min · 444 words · Samir Paul

Subarray Sum Equals K

November 1, 2020 · 3 min · 514 words · Samir Paul

Array Partition

November 1, 2020 · 3 min · 427 words · Samir Paul

Longest Line of Consecutive One in Matrix

November 1, 2020 · 4 min · 680 words · Samir Paul

Binary Tree Tilt

November 1, 2020 · 4 min · 807 words · Samir Paul

Find the Closest Palindrome

November 1, 2020 · 4 min · 706 words · Samir Paul

Array Nesting

November 1, 2020 · 4 min · 790 words · Samir Paul

Reshape the Matrix

November 1, 2020 · 5 min · 910 words · Samir Paul

Permutation in String

November 1, 2020 · 8 min · 1608 words · Samir Paul

Maximum Vacation Days

November 1, 2020 · 6 min · 1132 words · Samir Paul

Median Employee Salary

November 1, 2020 · 3 min · 566 words · Samir Paul

Managers with at Least 5 Direct Reports

November 1, 2020 · 2 min · 392 words · Samir Paul

Find Median Given Frequency of Numbers

November 1, 2020 · 2 min · 258 words · Samir Paul

Subtree of Another Tree

November 1, 2020 · 6 min · 1200 words · Samir Paul

Squirrel Simulation

November 1, 2020 · 4 min · 661 words · Samir Paul

Winning Candidate

November 1, 2020 · 2 min · 358 words · Samir Paul

Distribute Candies

November 1, 2020 · 2 min · 341 words · Samir Paul

Out of Boundary Paths

November 1, 2020 · 5 min · 1027 words · Samir Paul

October ⁷⁴⁴

Employee Bonus

October 31, 2020 · 2 min · 356 words · Samir Paul

Get Highest Answer Rate Question

October 31, 2020 · 2 min · 412 words · Samir Paul

Find Cumulative Salary of an Employee

October 31, 2020 · 4 min · 762 words · Samir Paul

Count Student Number in Departments

October 31, 2020 · 2 min · 373 words · Samir Paul

Shortest Unsorted Continuous Subarray

October 31, 2020 · 7 min · 1356 words · Samir Paul

Kill Process

October 31, 2020 · 4 min · 737 words · Samir Paul

Delete Operation for Two Strings

October 31, 2020 · 4 min · 786 words · Samir Paul

Find Customer Referee

October 31, 2020 · 2 min · 227 words · Samir Paul

Investments in 2016

October 31, 2020 · 2 min · 409 words · Samir Paul

Customer Placing the Largest Number of Orders

October 31, 2020 · 2 min · 302 words · Samir Paul

Erect the Fence

October 31, 2020 · 5 min · 885 words · Samir Paul

Design In-Memory File System

October 31, 2020 · 6 min · 1181 words · Samir Paul

N-ary Tree Preorder Traversal

October 31, 2020 · 5 min · 902 words · Samir Paul

N-ary Tree Postorder Traversal

October 31, 2020 · 6 min · 1146 words · Samir Paul

Tag Validator

October 31, 2020 · 8 min · 1586 words · Samir Paul

Fraction Addition and Subtraction

October 31, 2020 · 4 min · 678 words · Samir Paul

Valid Square

October 31, 2020 · 4 min · 822 words · Samir Paul

Longest Harmonious Subsequence

October 31, 2020 · 2 min · 401 words · Samir Paul

Big Countries

October 31, 2020 · 2 min · 306 words · Samir Paul

Classes More Than 5 Students

October 31, 2020 · 2 min · 266 words · Samir Paul

Friend Requests I Overall Acceptance Rate

October 31, 2020 · 3 min · 476 words · Samir Paul

Range Addition II

October 31, 2020 · 2 min · 323 words · Samir Paul

Minimum Index Sum of Two Lists

October 31, 2020 · 5 min · 925 words · Samir Paul

Non-negative Integers without Consecutive Ones

October 31, 2020 · 4 min · 718 words · Samir Paul

Human Traffic of Stadium

October 30, 2020 · 2 min · 366 words · Samir Paul

Friend Requests II Who Has the Most Friends

October 30, 2020 · 2 min · 292 words · Samir Paul

Consecutive Available Seats

October 30, 2020 · 2 min · 408 words · Samir Paul

Design Compressed String Iterator

October 30, 2020 · 5 min · 899 words · Samir Paul

Can Place Flowers

October 30, 2020 · 4 min · 766 words · Samir Paul

Construct String from Binary Tree

October 30, 2020 · 5 min · 905 words · Samir Paul

Sales Person

October 30, 2020 · 3 min · 638 words · Samir Paul

Tree Node

October 30, 2020 · 3 min · 428 words · Samir Paul

Find Duplicate File in System

October 30, 2020 · 4 min · 828 words · Samir Paul

Triangle Judgement

October 30, 2020 · 2 min · 239 words · Samir Paul

Valid Triangle Number

October 30, 2020 · 4 min · 715 words · Samir Paul

Shortest Distance in a Plane

October 30, 2020 · 1 min · 213 words · Samir Paul

Shortest Distance in a Line

October 30, 2020 · 2 min · 271 words · Samir Paul

Second Degree Follower

October 30, 2020 · 2 min · 306 words · Samir Paul

Average Salary Departments VS Company

October 30, 2020 · 3 min · 597 words · Samir Paul

Add Bold Tag in String

October 30, 2020 · 7 min · 1375 words · Samir Paul

Merge Two Binary Trees

October 30, 2020 · 5 min · 1005 words · Samir Paul

Students Report By Geography

October 30, 2020 · 2 min · 282 words · Samir Paul

Biggest Single Number

October 30, 2020 · 2 min · 383 words · Samir Paul

Not Boring Movies

October 30, 2020 · 2 min · 314 words · Samir Paul

Task Scheduler

October 30, 2020 · 3 min · 623 words · Samir Paul

Design Circular Queue

October 30, 2020 · 9 min · 1766 words · Samir Paul

Add One Row to Tree

October 30, 2020 · 9 min · 1822 words · Samir Paul

Maximum Distance in Arrays

October 30, 2020 · 3 min · 446 words · Samir Paul

Minimum Factorization

October 29, 2020 · 2 min · 423 words · Samir Paul

Exchange Seats

October 29, 2020 · 2 min · 395 words · Samir Paul

Swap Salary

October 29, 2020 · 2 min · 296 words · Samir Paul

Maximum Product of Three Numbers

October 29, 2020 · 5 min · 872 words · Samir Paul

K Inverse Pairs Array

October 29, 2020 · 4 min · 712 words · Samir Paul

Course Schedule III

October 29, 2020 · 3 min · 638 words · Samir Paul

Design Excel Sum Formula

October 29, 2020 · 3 min · 478 words · Samir Paul

Smallest Range Covering Elements from K Lists

October 29, 2020 · 5 min · 966 words · Samir Paul

Sum of Square Numbers

October 29, 2020 · 3 min · 484 words · Samir Paul

Find the Derangement of An Array

October 29, 2020 · 3 min · 598 words · Samir Paul

Design Log Storage System

October 29, 2020 · 5 min · 953 words · Samir Paul

Exclusive Time of Functions

October 29, 2020 · 6 min · 1164 words · Samir Paul

Average of Levels in Binary Tree

October 29, 2020 · 9 min · 1736 words · Samir Paul

Shopping Offers

October 29, 2020 · 5 min · 861 words · Samir Paul

Decode Ways II

October 29, 2020 · 6 min · 1175 words · Samir Paul

Solve the Equation

October 29, 2020 · 5 min · 967 words · Samir Paul

Design Circular Deque

October 29, 2020 · 11 min · 2151 words · Samir Paul

Design Search Autocomplete System

October 29, 2020 · 6 min · 1150 words · Samir Paul

Maximum Average Subarray I

October 29, 2020 · 3 min · 480 words · Samir Paul

Maximum Average Subarray II

October 29, 2020 · 5 min · 994 words · Samir Paul

Set Mismatch

October 29, 2020 · 10 min · 2030 words · Samir Paul

Maximum Length of Pair Chain

October 29, 2020 · 5 min · 944 words · Samir Paul

Palindromic Substrings

October 29, 2020 · 4 min · 716 words · Samir Paul

Replace Words

October 29, 2020 · 7 min · 1315 words · Samir Paul

Dota2 Senate

October 28, 2020 · 5 min · 1017 words · Samir Paul

2 Keys Keyboard

October 28, 2020 · 5 min · 890 words · Samir Paul

4 Keys Keyboard

October 28, 2020 · 2 min · 406 words · Samir Paul

Find Duplicate Subtrees

October 28, 2020 · 5 min · 976 words · Samir Paul

Two Sum IV - Input is a BST

October 28, 2020 · 8 min · 1547 words · Samir Paul

Maximum Binary Tree

October 28, 2020 · 16 min · 3215 words · Samir Paul

Print Binary Tree

October 28, 2020 · 12 min · 2481 words · Samir Paul

Coin Path

October 28, 2020 · 5 min · 994 words · Samir Paul

Robot Return to Origin

October 28, 2020 · 3 min · 459 words · Samir Paul

Find K Closest Elements

October 28, 2020 · 6 min · 1264 words · Samir Paul

Split Array into Consecutive Subsequences

October 28, 2020 · 3 min · 610 words · Samir Paul

Remove 9

October 28, 2020 · 1 min · 78 words · Samir Paul

Image Smoother

October 28, 2020 · 5 min · 1000 words · Samir Paul

Maximum Width of Binary Tree

October 28, 2020 · 7 min · 1331 words · Samir Paul

Equal Tree Partition

October 28, 2020 · 4 min · 647 words · Samir Paul

Strange Printer

October 28, 2020 · 4 min · 817 words · Samir Paul

Non-decreasing Array

October 28, 2020 · 3 min · 606 words · Samir Paul

Path Sum IV

October 28, 2020 · 4 min · 708 words · Samir Paul

Beautiful Arrangement II

October 28, 2020 · 3 min · 585 words · Samir Paul

Kth Smallest Number in Multiplication Table

October 28, 2020 · 3 min · 461 words · Samir Paul

Trim a Binary Search Tree

October 28, 2020 · 10 min · 2057 words · Samir Paul

Maximum Swap

October 28, 2020 · 4 min · 837 words · Samir Paul

Second Minimum Node In a Binary Tree

October 28, 2020 · 4 min · 768 words · Samir Paul

Bulb Switcher II

October 28, 2020 · 4 min · 728 words · Samir Paul

Number of Longest Increasing Subsequence

October 27, 2020 · 13 min · 2660 words · Samir Paul

Longest Continuous Increasing Subsequence

October 27, 2020 · 6 min · 1270 words · Samir Paul

Cut Off Trees for Golf Event

October 27, 2020 · 9 min · 1847 words · Samir Paul

Implement Magic Dictionary

October 27, 2020 · 11 min · 2263 words · Samir Paul

Map Sum Pairs

October 27, 2020 · 6 min · 1223 words · Samir Paul

Valid Parenthesis String

October 27, 2020 · 6 min · 1202 words · Samir Paul

24 Game

October 27, 2020 · 7 min · 1412 words · Samir Paul

Valid Palindrome II

October 27, 2020 · 5 min · 892 words · Samir Paul

Next Closest Time

October 27, 2020 · 3 min · 550 words · Samir Paul

Baseball Game

October 27, 2020 · 5 min · 968 words · Samir Paul

K Empty Slots

October 27, 2020 · 7 min · 1322 words · Samir Paul

Redundant Connection

October 27, 2020 · 3 min · 598 words · Samir Paul

Redundant Connection II

October 27, 2020 · 5 min · 1053 words · Samir Paul

Repeated String Match

October 27, 2020 · 3 min · 471 words · Samir Paul

Longest Univalue Path

October 27, 2020 · 7 min · 1377 words · Samir Paul

Knight Probability in Chessboard

October 27, 2020 · 7 min · 1439 words · Samir Paul

Maximum Sum of 3 Non-Overlapping Subarrays

October 27, 2020 · 12 min · 2360 words · Samir Paul

Employee Importance

October 27, 2020 · 3 min · 539 words · Samir Paul

Stickers to Spell Word

October 27, 2020 · 5 min · 1023 words · Samir Paul

Top K Frequent Words

October 27, 2020 · 3 min · 442 words · Samir Paul

Binary Number with Alternating Bits

October 27, 2020 · 3 min · 514 words · Samir Paul

Number of Distinct Islands

October 27, 2020 · 5 min · 896 words · Samir Paul

Max Area of Island

October 27, 2020 · 5 min · 1005 words · Samir Paul

Count Binary Substrings

October 27, 2020 · 3 min · 496 words · Samir Paul

Degree of an Array

October 26, 2020 · 4 min · 836 words · Samir Paul

Partition to K Equal Sum Subsets

October 26, 2020 · 10 min · 1976 words · Samir Paul

Falling Squares

October 26, 2020 · 9 min · 1833 words · Samir Paul

Search in a Binary Search Tree

October 26, 2020 · 3 min · 480 words · Samir Paul

Insert into a Binary Search Tree

October 26, 2020 · 3 min · 558 words · Samir Paul

Search in a Sorted Array of Unknown Size

October 26, 2020 · 4 min · 641 words · Samir Paul

Kth Largest Element in a Stream

October 26, 2020 · 6 min · 1151 words · Samir Paul

Binary Search

October 26, 2020 · 4 min · 697 words · Samir Paul

Design HashSet

October 26, 2020 · 7 min · 1287 words · Samir Paul

Design HashMap

October 26, 2020 · 4 min · 740 words · Samir Paul

Design Linked List

October 26, 2020 · 16 min · 3387 words · Samir Paul

Insert into a Sorted Circular Linked List

October 26, 2020 · 4 min · 819 words · Samir Paul

To Lower Case

October 26, 2020 · 2 min · 370 words · Samir Paul

Random Pick with Blacklist

October 26, 2020 · 4 min · 762 words · Samir Paul

Number of Distinct Islands II

October 26, 2020 · 5 min · 1053 words · Samir Paul

Minimum ASCII Delete Sum for Two Strings

October 26, 2020 · 6 min · 1068 words · Samir Paul

Subarray Product Less Than K

October 26, 2020 · 4 min · 647 words · Samir Paul

Best Time to Buy and Sell Stock with Transaction Fee

October 26, 2020 · 9 min · 1777 words · Samir Paul

Range Module

October 26, 2020 · 14 min · 2791 words · Samir Paul

Max Stack

October 26, 2020 · 6 min · 1097 words · Samir Paul

1-bit and 2-bit Characters

October 26, 2020 · 2 min · 348 words · Samir Paul

Maximum Length of Repeated Subarray

October 26, 2020 · 4 min · 667 words · Samir Paul

Find K-th Smallest Pair Distance

October 26, 2020 · 4 min · 769 words · Samir Paul

Longest Word in Dictionary

October 26, 2020 · 4 min · 772 words · Samir Paul

Accounts Merge

October 25, 2020 · 4 min · 785 words · Samir Paul

Remove Comments

October 25, 2020 · 7 min · 1458 words · Samir Paul

Candy Crush

October 25, 2020 · 6 min · 1154 words · Samir Paul

Find Pivot Index

October 25, 2020 · 4 min · 641 words · Samir Paul

Split Linked List in Parts

October 25, 2020 · 3 min · 511 words · Samir Paul

Number of Atoms

October 25, 2020 · 2 min · 263 words · Samir Paul

Minimum Window Subsequence

October 25, 2020 · 5 min · 971 words · Samir Paul

Self Dividing Numbers

October 25, 2020 · 3 min · 519 words · Samir Paul

My Calendar I

October 25, 2020 · 5 min · 883 words · Samir Paul

Count Different Palindromic Subsequences

October 25, 2020 · 5 min · 907 words · Samir Paul

My Calendar II

October 25, 2020 · 11 min · 2327 words · Samir Paul

My Calendar III

October 25, 2020 · 8 min · 1702 words · Samir Paul

Flood Fill

October 25, 2020 · 7 min · 1487 words · Samir Paul

Sentence Similarity

October 25, 2020 · 3 min · 613 words · Samir Paul

Asteroid Collision

October 25, 2020 · 5 min · 874 words · Samir Paul

Parse Lisp Expression

October 25, 2020 · 8 min · 1635 words · Samir Paul

Sentence Similarity II

October 25, 2020 · 5 min · 949 words · Samir Paul

Monotone Increasing Digits

October 25, 2020 · 2 min · 422 words · Samir Paul

Daily Temperatures

October 25, 2020 · 4 min · 850 words · Samir Paul

Delete and Earn

October 25, 2020 · 3 min · 586 words · Samir Paul

Cherry Pickup

October 25, 2020 · 6 min · 1271 words · Samir Paul

Closest Leaf in a Binary Tree

October 25, 2020 · 5 min · 948 words · Samir Paul

Network Delay Time

October 25, 2020 · 13 min · 2572 words · Samir Paul

Find Smallest Letter Greater Than Target

October 25, 2020 · 4 min · 716 words · Samir Paul

Prefix and Suffix Search

October 24, 2020 · 8 min · 1511 words · Samir Paul

Min Cost Climbing Stairs

October 24, 2020 · 5 min · 998 words · Samir Paul

Largest Number At Least Twice of Others

October 24, 2020 · 4 min · 675 words · Samir Paul

Shortest Completing Word

October 24, 2020 · 6 min · 1186 words · Samir Paul

Contain Virus

October 24, 2020 · 9 min · 1830 words · Samir Paul

Number Of Corner Rectangles

October 24, 2020 · 4 min · 730 words · Samir Paul

IP to CIDR

October 24, 2020 · 3 min · 443 words · Samir Paul

Open the Lock

October 24, 2020 · 14 min · 2885 words · Samir Paul

Cracking the Safe

October 24, 2020 · 4 min · 659 words · Samir Paul

Reach a Number

October 24, 2020 · 3 min · 458 words · Samir Paul

Pour Water

October 24, 2020 · 5 min · 924 words · Samir Paul

Pyramid Transition Matrix

October 24, 2020 · 5 min · 999 words · Samir Paul

Set Intersection Size At Least Two

October 24, 2020 · 3 min · 601 words · Samir Paul

Bold Words in String

October 24, 2020 · 7 min · 1284 words · Samir Paul

Employee Free Time

October 24, 2020 · 1 min · 170 words · Samir Paul

Find Anagram Mappings

October 24, 2020 · 2 min · 272 words · Samir Paul

Special Binary String

October 24, 2020 · 3 min · 520 words · Samir Paul

Prime Number of Set Bits in Binary Representation

October 24, 2020 · 3 min · 439 words · Samir Paul

Partition Labels

October 24, 2020 · 5 min · 893 words · Samir Paul

Largest Plus Sign

October 24, 2020 · 4 min · 851 words · Samir Paul

Couples Holding Hands

October 24, 2020 · 5 min · 891 words · Samir Paul

Toeplitz Matrix

October 24, 2020 · 3 min · 479 words · Samir Paul

Reorganize String

October 24, 2020 · 7 min · 1428 words · Samir Paul

Max Chunks To Make Sorted II

October 24, 2020 · 3 min · 548 words · Samir Paul

Max Chunks To Make Sorted

October 23, 2020 · 4 min · 811 words · Samir Paul

Basic Calculator IV

October 23, 2020 · 3 min · 443 words · Samir Paul

Jewels and Stones

October 23, 2020 · 3 min · 486 words · Samir Paul

Basic Calculator III

October 23, 2020 · 2 min · 282 words · Samir Paul

Sliding Puzzle

October 23, 2020 · 11 min · 2227 words · Samir Paul

Minimize Max Distance to Gas Station

October 23, 2020 · 3 min · 529 words · Samir Paul

Global and Local Inversions

October 23, 2020 · 5 min · 1011 words · Samir Paul

Split BST

October 23, 2020 · 4 min · 826 words · Samir Paul

Swap Adjacent in LR String

October 23, 2020 · 3 min · 611 words · Samir Paul

Swim in Rising Water

October 23, 2020 · 8 min · 1510 words · Samir Paul

K-th Symbol in Grammar

October 23, 2020 · 3 min · 463 words · Samir Paul

Reaching Points

October 23, 2020 · 3 min · 573 words · Samir Paul

Rabbits in Forest

October 23, 2020 · 2 min · 278 words · Samir Paul

Transform to Chessboard

October 23, 2020 · 7 min · 1383 words · Samir Paul

Minimum Distance Between BST Nodes

October 23, 2020 · 3 min · 566 words · Samir Paul

Letter Case Permutation

October 23, 2020 · 5 min · 913 words · Samir Paul

Is Graph Bipartite

October 23, 2020 · 8 min · 1645 words · Samir Paul

K-th Smallest Prime Fraction

October 23, 2020 · 4 min · 698 words · Samir Paul

Cheapest Flights Within K Stops

October 23, 2020 · 7 min · 1315 words · Samir Paul

Rotated Digits

October 23, 2020 · 7 min · 1377 words · Samir Paul

Escape The Ghosts

October 23, 2020 · 3 min · 586 words · Samir Paul

Domino and Tromino Tiling

October 23, 2020 · 3 min · 618 words · Samir Paul

Custom Sort String

October 23, 2020 · 5 min · 1037 words · Samir Paul

Number of Matching Subsequences

October 23, 2020 · 7 min · 1315 words · Samir Paul

Preimage Size of Factorial Zeroes Function

October 22, 2020 · 3 min · 538 words · Samir Paul

Valid Tic-Tac-Toe State

October 22, 2020 · 6 min · 1094 words · Samir Paul

Number of Subarrays with Bounded Maximum

October 22, 2020 · 5 min · 1019 words · Samir Paul

Rotate String

October 22, 2020 · 2 min · 294 words · Samir Paul

All Paths From Source to Target

October 22, 2020 · 4 min · 767 words · Samir Paul

Smallest Rotation with Highest Score

October 22, 2020 · 4 min · 649 words · Samir Paul

Champagne Tower

October 22, 2020 · 6 min · 1237 words · Samir Paul

Similar RGB Color

October 22, 2020 · 2 min · 363 words · Samir Paul

Minimum Swaps To Make Sequences Increasing

October 22, 2020 · 3 min · 593 words · Samir Paul

Find Eventual Safe States

October 22, 2020 · 7 min · 1366 words · Samir Paul

Bricks Falling When Hit

October 22, 2020 · 9 min · 1839 words · Samir Paul

Unique Morse Code Words

October 22, 2020 · 4 min · 722 words · Samir Paul

Split Array With Same Average

October 22, 2020 · 4 min · 838 words · Samir Paul

Number of Lines To Write String

October 22, 2020 · 3 min · 605 words · Samir Paul

Max Increase to Keep City Skyline

October 22, 2020 · 4 min · 746 words · Samir Paul

Soup Servings

October 22, 2020 · 5 min · 908 words · Samir Paul

Expressive Words

October 22, 2020 · 5 min · 939 words · Samir Paul

Chalkboard XOR Game

October 22, 2020 · 2 min · 391 words · Samir Paul

Subdomain Visit Count

October 22, 2020 · 3 min · 619 words · Samir Paul

Largest Triangle Area

October 22, 2020 · 3 min · 521 words · Samir Paul

Largest Sum of Averages

October 22, 2020 · 4 min · 753 words · Samir Paul

Binary Tree Pruning

October 22, 2020 · 5 min · 911 words · Samir Paul

Bus Routes

October 22, 2020 · 6 min · 1237 words · Samir Paul

Ambiguous Coordinates

October 22, 2020 · 5 min · 906 words · Samir Paul

Linked List Components

October 21, 2020 · 5 min · 1019 words · Samir Paul

Race Car

October 21, 2020 · 3 min · 591 words · Samir Paul

Most Common Word

October 21, 2020 · 4 min · 754 words · Samir Paul

Short Encoding of Words

October 21, 2020 · 7 min · 1282 words · Samir Paul

Shortest Distance to a Character

October 21, 2020 · 4 min · 852 words · Samir Paul

Card Flipping Game

October 21, 2020 · 4 min · 759 words · Samir Paul

Binary Trees With Factors

October 21, 2020 · 4 min · 832 words · Samir Paul

Goat Latin

October 21, 2020 · 3 min · 543 words · Samir Paul

Friends Of Appropriate Ages

October 21, 2020 · 3 min · 607 words · Samir Paul

Most Profit Assigning Work

October 21, 2020 · 3 min · 561 words · Samir Paul

Making A Large Island

October 21, 2020 · 15 min · 3133 words · Samir Paul

Count Unique Characters of All Substrings of a Given String

October 21, 2020 · 5 min · 878 words · Samir Paul

Consecutive Numbers Sum

October 21, 2020 · 2 min · 348 words · Samir Paul

Positions of Large Groups

October 21, 2020 · 3 min · 453 words · Samir Paul

Masking Personal Information

October 21, 2020 · 5 min · 897 words · Samir Paul

Flipping an Image

October 21, 2020 · 3 min · 516 words · Samir Paul

Find And Replace in String

October 21, 2020 · 4 min · 809 words · Samir Paul

Sum of Distances in Tree

October 21, 2020 · 5 min · 971 words · Samir Paul

Image Overlap

October 21, 2020 · 4 min · 732 words · Samir Paul

Rectangle Overlap

October 21, 2020 · 2 min · 383 words · Samir Paul

New 21 Game

October 21, 2020 · 6 min · 1173 words · Samir Paul

Push Dominoes

October 21, 2020 · 5 min · 1065 words · Samir Paul

Similar String Groups

October 21, 2020 · 4 min · 784 words · Samir Paul

Magic Squares In Grid

October 21, 2020 · 7 min · 1319 words · Samir Paul

Keys and Rooms

October 20, 2020 · 4 min · 730 words · Samir Paul

Split Array into Fibonacci Sequence

October 20, 2020 · 4 min · 765 words · Samir Paul

Guess the Word

October 20, 2020 · 2 min · 357 words · Samir Paul

Backspace String Compare

October 20, 2020 · 6 min · 1097 words · Samir Paul

Longest Mountain in Array

October 20, 2020 · 6 min · 1081 words · Samir Paul

Hand of Straights

October 20, 2020 · 5 min · 879 words · Samir Paul

Shortest Path Visiting All Nodes

October 20, 2020 · 7 min · 1445 words · Samir Paul

Shifting Letters

October 20, 2020 · 3 min · 525 words · Samir Paul

Maximize Distance to Closest Person

October 20, 2020 · 3 min · 627 words · Samir Paul

Rectangle Area II

October 20, 2020 · 9 min · 1830 words · Samir Paul

Loud and Rich

October 20, 2020 · 5 min · 880 words · Samir Paul

Peak Index in a Mountain Array

October 20, 2020 · 3 min · 618 words · Samir Paul

Car Fleet

October 20, 2020 · 4 min · 832 words · Samir Paul

K-Similar Strings

October 20, 2020 · 8 min · 1676 words · Samir Paul

Exam Room

October 20, 2020 · 7 min · 1306 words · Samir Paul

Score of Parentheses

October 20, 2020 · 3 min · 570 words · Samir Paul

Minimum Cost to Hire K Workers

October 20, 2020 · 4 min · 715 words · Samir Paul

Mirror Reflection

October 20, 2020 · 3 min · 525 words · Samir Paul

Buddy Strings

October 20, 2020 · 4 min · 750 words · Samir Paul

Lemonade Change

October 20, 2020 · 4 min · 811 words · Samir Paul

Score After Flipping Matrix

October 20, 2020 · 4 min · 809 words · Samir Paul

Shortest Subarray with Sum at Least K

October 20, 2020 · 3 min · 517 words · Samir Paul

All Nodes Distance K in Binary Tree

October 20, 2020 · 5 min · 916 words · Samir Paul

Shortest Path to Get All Keys

October 20, 2020 · 7 min · 1419 words · Samir Paul

Smallest Subtree with all the Deepest Nodes

October 19, 2020 · 4 min · 798 words · Samir Paul

Prime Palindrome

October 19, 2020 · 3 min · 635 words · Samir Paul

Transpose Matrix

October 19, 2020 · 2 min · 342 words · Samir Paul

Binary Gap

October 19, 2020 · 3 min · 606 words · Samir Paul

Reordered Power of 2

October 19, 2020 · 2 min · 368 words · Samir Paul

Advantage Shuffle

October 19, 2020 · 4 min · 659 words · Samir Paul

Minimum Number of Refueling Stops

October 19, 2020 · 4 min · 803 words · Samir Paul

Leaf-Similar Trees

October 19, 2020 · 4 min · 775 words · Samir Paul

Length of Longest Fibonacci Subsequence

October 19, 2020 · 4 min · 830 words · Samir Paul

Walking Robot Simulation

October 19, 2020 · 7 min · 1464 words · Samir Paul

Koko Eating Bananas

October 19, 2020 · 4 min · 656 words · Samir Paul

Middle of the Linked List

October 19, 2020 · 4 min · 840 words · Samir Paul

Stone Game

October 19, 2020 · 6 min · 1090 words · Samir Paul

Nth Magical Number

October 19, 2020 · 3 min · 463 words · Samir Paul

Profitable Schemes

October 19, 2020 · 9 min · 1736 words · Samir Paul

Decoded String at Index

October 19, 2020 · 4 min · 806 words · Samir Paul

Boats to Save People

October 19, 2020 · 2 min · 371 words · Samir Paul

Reachable Nodes In Subdivided Graph

October 19, 2020 · 6 min · 1136 words · Samir Paul

Projection Area of 3D Shapes

October 19, 2020 · 4 min · 679 words · Samir Paul

Uncommon Words from Two Sentences

October 19, 2020 · 3 min · 627 words · Samir Paul

Spiral Matrix III

October 19, 2020 · 4 min · 721 words · Samir Paul

Possible Bipartition

October 19, 2020 · 7 min · 1417 words · Samir Paul

Super Egg Drop

October 19, 2020 · 8 min · 1701 words · Samir Paul

Fair Candy Swap

October 19, 2020 · 3 min · 527 words · Samir Paul

Construct Binary Tree from Preorder and Postorder Traversal

October 18, 2020 · 3 min · 610 words · Samir Paul

Find and Replace Pattern

October 18, 2020 · 4 min · 707 words · Samir Paul

Sum of Subsequence Widths

October 18, 2020 · 3 min · 436 words · Samir Paul

Surface Area of 3D Shapes

October 18, 2020 · 3 min · 475 words · Samir Paul

Groups of Special-Equivalent Strings

October 18, 2020 · 3 min · 563 words · Samir Paul

All Possible Full Binary Trees

October 18, 2020 · 6 min · 1244 words · Samir Paul

Maximum Frequency Stack

October 18, 2020 · 6 min · 1218 words · Samir Paul

Monotonic Array

October 18, 2020 · 4 min · 684 words · Samir Paul

Increasing Order Search Tree

October 18, 2020 · 4 min · 829 words · Samir Paul

Bitwise ORs of Subarrays

October 18, 2020 · 4 min · 701 words · Samir Paul

Orderly Queue

October 18, 2020 · 4 min · 644 words · Samir Paul

RLE Iterator

October 18, 2020 · 5 min · 1037 words · Samir Paul

Online Stock Span

October 18, 2020 · 6 min · 1082 words · Samir Paul

Numbers At Most N Given Digit Set

October 18, 2020 · 5 min · 984 words · Samir Paul

Valid Permutations for DI Sequence

October 18, 2020 · 13 min · 2571 words · Samir Paul

Fruit Into Baskets

October 18, 2020 · 7 min · 1487 words · Samir Paul

Sort Array By Parity

October 18, 2020 · 4 min · 682 words · Samir Paul

Super Palindromes

October 18, 2020 · 1 min · 140 words · Samir Paul

Sum of Subarray Minimums

October 18, 2020 · 7 min · 1351 words · Samir Paul

Smallest Range I

October 18, 2020 · 2 min · 423 words · Samir Paul

Snakes and Ladders

October 18, 2020 · 6 min · 1120 words · Samir Paul

Smallest Range II

October 18, 2020 · 3 min · 448 words · Samir Paul

Online Election

October 18, 2020 · 5 min · 928 words · Samir Paul

Sort an Array

October 18, 2020 · 9 min · 1869 words · Samir Paul

Cat and Mouse

October 17, 2020 · 8 min · 1679 words · Samir Paul

X of a Kind in a Deck of Cards

October 17, 2020 · 2 min · 393 words · Samir Paul

Partition Array into Disjoint Intervals

October 17, 2020 · 3 min · 452 words · Samir Paul

Word Subsets

October 17, 2020 · 3 min · 631 words · Samir Paul

Reverse Only Letters

October 17, 2020 · 3 min · 567 words · Samir Paul

Maximum Sum Circular Subarray

October 17, 2020 · 5 min · 976 words · Samir Paul

Complete Binary Tree Inserter

October 17, 2020 · 8 min · 1495 words · Samir Paul

Number of Music Playlists

October 17, 2020 · 8 min · 1671 words · Samir Paul

Minimum Add to Make Parentheses Valid

October 17, 2020 · 3 min · 578 words · Samir Paul

Sort Array By Parity II

October 17, 2020 · 3 min · 442 words · Samir Paul

3Sum With Multiplicity

October 17, 2020 · 3 min · 586 words · Samir Paul

Minimize Malware Spread

October 17, 2020 · 5 min · 1056 words · Samir Paul

Long Pressed Name

October 17, 2020 · 3 min · 627 words · Samir Paul

Flip String to Monotone Increasing

October 17, 2020 · 5 min · 939 words · Samir Paul

Three Equal Parts

October 17, 2020 · 5 min · 942 words · Samir Paul

Minimize Malware Spread II

October 17, 2020 · 7 min · 1352 words · Samir Paul

Unique Email Addresses

October 17, 2020 · 4 min · 845 words · Samir Paul

Binary Subarrays With Sum

October 17, 2020 · 5 min · 908 words · Samir Paul

Minimum Falling Path Sum

October 17, 2020 · 3 min · 594 words · Samir Paul

Beautiful Array

October 17, 2020 · 2 min · 403 words · Samir Paul

Number of Recent Calls

October 17, 2020 · 6 min · 1181 words · Samir Paul

Shortest Bridge

October 17, 2020 · 6 min · 1074 words · Samir Paul

Knight Dialer

October 17, 2020 · 6 min · 1121 words · Samir Paul

Stamping The Sequence

October 17, 2020 · 9 min · 1907 words · Samir Paul

Reorder Data in Log Files

October 16, 2020 · 3 min · 566 words · Samir Paul

Range Sum of BST

October 16, 2020 · 3 min · 627 words · Samir Paul

Minimum Area Rectangle

October 16, 2020 · 4 min · 647 words · Samir Paul

Distinct Subsequences II

October 16, 2020 · 6 min · 1095 words · Samir Paul

Valid Mountain Array

October 16, 2020 · 2 min · 410 words · Samir Paul

DI String Match

October 16, 2020 · 3 min · 556 words · Samir Paul

Find the Shortest Superstring

October 16, 2020 · 7 min · 1356 words · Samir Paul

Delete Columns to Make Sorted

October 16, 2020 · 3 min · 550 words · Samir Paul

Minimum Increment to Make Array Unique

October 16, 2020 · 2 min · 385 words · Samir Paul

Validate Stack Sequences

October 16, 2020 · 3 min · 599 words · Samir Paul

Most Stones Removed with Same Row or Column

October 16, 2020 · 4 min · 671 words · Samir Paul

Bag of Tokens

October 16, 2020 · 4 min · 656 words · Samir Paul

Largest Time for Given Digits

October 16, 2020 · 4 min · 732 words · Samir Paul

Reveal Cards In Increasing Order

October 16, 2020 · 3 min · 531 words · Samir Paul

Flip Equivalent Binary Trees

October 16, 2020 · 4 min · 666 words · Samir Paul

Largest Component Size by Common Factor

October 16, 2020 · 4 min · 776 words · Samir Paul

Verifying an Alien Dictionary

October 16, 2020 · 5 min · 1041 words · Samir Paul

Array of Doubled Pairs

October 16, 2020 · 3 min · 458 words · Samir Paul

Delete Columns to Make Sorted II

October 16, 2020 · 2 min · 380 words · Samir Paul

Tallest Billboard

October 16, 2020 · 7 min · 1379 words · Samir Paul

Prison Cells After N Days

October 16, 2020 · 2 min · 264 words · Samir Paul

Check Completeness of a Binary Tree

October 16, 2020 · 3 min · 555 words · Samir Paul

Regions Cut By Slashes

October 16, 2020 · 6 min · 1118 words · Samir Paul

Delete Columns to Make Sorted III

October 16, 2020 · 3 min · 634 words · Samir Paul

N-Repeated Element in Size 2N Array

October 15, 2020 · 2 min · 350 words · Samir Paul

Maximum Width Ramp

October 15, 2020 · 3 min · 490 words · Samir Paul

Minimum Area Rectangle II

October 15, 2020 · 6 min · 1222 words · Samir Paul

Least Operators to Express Number

October 15, 2020 · 5 min · 883 words · Samir Paul

Univalued Binary Tree

October 15, 2020 · 4 min · 747 words · Samir Paul

Vowel Spellchecker

October 15, 2020 · 5 min · 1030 words · Samir Paul

Numbers With Same Consecutive Differences

October 15, 2020 · 3 min · 576 words · Samir Paul

Binary Tree Cameras

October 15, 2020 · 5 min · 901 words · Samir Paul

Pancake Sorting

October 15, 2020 · 5 min · 919 words · Samir Paul

Powerful Integers

October 15, 2020 · 5 min · 856 words · Samir Paul

Flip Binary Tree To Match Preorder Traversal

October 15, 2020 · 5 min · 1053 words · Samir Paul

Equal Rational Numbers

October 15, 2020 · 2 min · 246 words · Samir Paul

K Closest Points to Origin

October 15, 2020 · 2 min · 425 words · Samir Paul

Subarray Sums Divisible by K

October 15, 2020 · 2 min · 411 words · Samir Paul

Odd Even Jump

October 15, 2020 · 7 min · 1304 words · Samir Paul

Largest Perimeter Triangle

October 15, 2020 · 3 min · 570 words · Samir Paul

Squares of a Sorted Array

October 15, 2020 · 4 min · 696 words · Samir Paul

Longest Turbulent Subarray

October 15, 2020 · 3 min · 571 words · Samir Paul

Distribute Coins in Binary Tree

October 15, 2020 · 4 min · 821 words · Samir Paul

Unique Paths III

October 15, 2020 · 7 min · 1457 words · Samir Paul

Time Based Key-Value Store

October 15, 2020 · 4 min · 721 words · Samir Paul

Triples with Bitwise AND Equal To Zero

October 15, 2020 · 3 min · 630 words · Samir Paul

Minimum Cost For Tickets

October 15, 2020 · 5 min · 988 words · Samir Paul

String Without AAA or BBB

October 15, 2020 · 3 min · 500 words · Samir Paul

Sum of Even Numbers After Queries

October 14, 2020 · 4 min · 794 words · Samir Paul

Interval List Intersections

October 14, 2020 · 4 min · 696 words · Samir Paul

Vertical Order Traversal of a Binary Tree

October 14, 2020 · 5 min · 865 words · Samir Paul

Smallest String Starting From Leaf

October 14, 2020 · 4 min · 683 words · Samir Paul

Add to Array-Form of Integer

October 14, 2020 · 4 min · 711 words · Samir Paul

Satisfiability of Equality Equations

October 14, 2020 · 4 min · 805 words · Samir Paul

Broken Calculator

October 14, 2020 · 2 min · 364 words · Samir Paul

Subarrays with K Different Integers

October 14, 2020 · 3 min · 619 words · Samir Paul

Cousins in Binary Tree

October 14, 2020 · 8 min · 1522 words · Samir Paul

Rotting Oranges

October 14, 2020 · 7 min · 1316 words · Samir Paul

Minimum Number of K Consecutive Bit Flips

October 14, 2020 · 5 min · 944 words · Samir Paul

Number of Squareful Arrays

October 14, 2020 · 5 min · 891 words · Samir Paul

Find the Town Judge

October 14, 2020 · 4 min · 803 words · Samir Paul

Maximum Binary Tree II

October 14, 2020 · 9 min · 1714 words · Samir Paul

Available Captures for Rook

October 14, 2020 · 5 min · 853 words · Samir Paul

Minimum Cost to Merge Stones

October 14, 2020 · 5 min · 993 words · Samir Paul

Grid Illumination

October 14, 2020 · 7 min · 1475 words · Samir Paul

Find Common Characters

October 14, 2020 · 3 min · 528 words · Samir Paul

Check If Word Is Valid After Substitutions

October 14, 2020 · 3 min · 568 words · Samir Paul

Max Consecutive Ones III

October 14, 2020 · 5 min · 877 words · Samir Paul

Maximize Sum Of Array After K Negations

October 14, 2020 · 4 min · 811 words · Samir Paul

Clumsy Factorial

October 14, 2020 · 2 min · 413 words · Samir Paul

Minimum Domino Rotations For Equal Row

October 14, 2020 · 5 min · 883 words · Samir Paul

Construct Binary Search Tree from Preorder Traversal

October 14, 2020 · 6 min · 1194 words · Samir Paul

Complement of Base 10 Integer

October 13, 2020 · 3 min · 480 words · Samir Paul

Pairs of Songs With Total Durations Divisible by 60

October 13, 2020 · 4 min · 793 words · Samir Paul

Capacity To Ship Packages Within D Days

October 13, 2020 · 4 min · 838 words · Samir Paul

Numbers With Repeated Digits

October 13, 2020 · 9 min · 1855 words · Samir Paul

Partition Array Into Three Parts With Equal Sum

October 13, 2020 · 3 min · 595 words · Samir Paul

Best Sightseeing Pair

October 13, 2020 · 2 min · 382 words · Samir Paul

Smallest Integer Divisible by K

October 13, 2020 · 2 min · 403 words · Samir Paul

Binary String With Substrings Representing 1 To N

October 13, 2020 · 2 min · 357 words · Samir Paul

Convert to Base -2

October 13, 2020 · 3 min · 461 words · Samir Paul

Binary Prefix Divisible By 5

October 13, 2020 · 2 min · 363 words · Samir Paul

Next Greater Node In Linked List

October 13, 2020 · 6 min · 1254 words · Samir Paul

Number of Enclaves

October 13, 2020 · 16 min · 3342 words · Samir Paul

Remove Outermost Parentheses

October 13, 2020 · 5 min · 933 words · Samir Paul

Sum of Root To Leaf Binary Numbers

October 13, 2020 · 5 min · 944 words · Samir Paul

Camelcase Matching

October 13, 2020 · 5 min · 994 words · Samir Paul

Video Stitching

October 13, 2020 · 3 min · 638 words · Samir Paul

Divisor Game

October 13, 2020 · 2 min · 220 words · Samir Paul

Maximum Difference Between Node and Ancestor

October 13, 2020 · 5 min · 973 words · Samir Paul

Longest Arithmetic Subsequence

October 13, 2020 · 3 min · 544 words · Samir Paul

Recover a Tree From Preorder Traversal

October 13, 2020 · 2 min · 347 words · Samir Paul

Two City Scheduling

October 13, 2020 · 3 min · 469 words · Samir Paul

Matrix Cells in Distance Order

October 13, 2020 · 4 min · 761 words · Samir Paul

Maximum Sum of Two Non-Overlapping Subarrays

October 13, 2020 · 4 min · 666 words · Samir Paul

Stream of Characters

October 13, 2020 · 6 min · 1105 words · Samir Paul

Moving Stones Until Consecutive

October 12, 2020 · 4 min · 709 words · Samir Paul

Coloring A Border

October 12, 2020 · 5 min · 973 words · Samir Paul

Uncrossed Lines

October 12, 2020 · 4 min · 654 words · Samir Paul

Escape a Large Maze

October 12, 2020 · 6 min · 1215 words · Samir Paul

Valid Boomerang

October 12, 2020 · 2 min · 366 words · Samir Paul

Binary Search Tree to Greater Sum Tree

October 12, 2020 · 10 min · 2072 words · Samir Paul

Minimum Score Triangulation of Polygon

October 12, 2020 · 8 min · 1639 words · Samir Paul

Moving Stones Until Consecutive II

October 12, 2020 · 4 min · 841 words · Samir Paul

Robot Bounded In Circle

October 12, 2020 · 4 min · 846 words · Samir Paul

Flower Planting With No Adjacent

October 12, 2020 · 4 min · 764 words · Samir Paul

Partition Array for Maximum Sum

October 12, 2020 · 4 min · 686 words · Samir Paul

Longest Duplicate Substring

October 12, 2020 · 4 min · 798 words · Samir Paul

Customers Who Bought All Products

October 12, 2020 · 2 min · 287 words · Samir Paul

Last Stone Weight

October 12, 2020 · 4 min · 698 words · Samir Paul

Remove All Adjacent Duplicates In String

October 12, 2020 · 3 min · 534 words · Samir Paul

Longest String Chain

October 12, 2020 · 5 min · 895 words · Samir Paul

Last Stone Weight II

October 12, 2020 · 6 min · 1169 words · Samir Paul

Actors and Directors Who Cooperated At Least Three Times

October 12, 2020 · 2 min · 249 words · Samir Paul

Height Checker

October 12, 2020 · 3 min · 616 words · Samir Paul

Grumpy Bookstore Owner

October 12, 2020 · 4 min · 797 words · Samir Paul

Previous Permutation With One Swap

October 12, 2020 · 3 min · 550 words · Samir Paul

Distant Barcodes

October 12, 2020 · 3 min · 578 words · Samir Paul

Shortest Way to Form String

October 12, 2020 · 3 min · 538 words · Samir Paul

Confusing Number

October 12, 2020 · 3 min · 588 words · Samir Paul

Campus Bikes

October 11, 2020 · 5 min · 911 words · Samir Paul

Minimize Rounding Error to Meet Target

October 11, 2020 · 4 min · 668 words · Samir Paul

All Paths from Source Lead to Destination

October 11, 2020 · 4 min · 749 words · Samir Paul

Missing Element in Sorted Array

October 11, 2020 · 3 min · 602 words · Samir Paul

Lexicographically Smallest Equivalent String

October 11, 2020 · 4 min · 836 words · Samir Paul

Longest Repeating Substring

October 11, 2020 · 3 min · 448 words · Samir Paul

Number of Valid Subarrays

October 11, 2020 · 5 min · 902 words · Samir Paul

Fixed Point

October 11, 2020 · 3 min · 481 words · Samir Paul

Index Pairs of a String

October 11, 2020 · 4 min · 819 words · Samir Paul

Campus Bikes II

October 11, 2020 · 5 min · 873 words · Samir Paul

Digit Count in Range

October 11, 2020 · 5 min · 944 words · Samir Paul

Product Sales Analysis I

October 11, 2020 · 2 min · 358 words · Samir Paul

Product Sales Analysis II

October 11, 2020 · 2 min · 288 words · Samir Paul

Product Sales Analysis III

October 11, 2020 · 2 min · 390 words · Samir Paul

Greatest Common Divisor of Strings

October 11, 2020 · 3 min · 442 words · Samir Paul

Flip Columns For Maximum Number of Equal Rows

October 11, 2020 · 3 min · 486 words · Samir Paul

Adding Two Negabinary Numbers

October 11, 2020 · 5 min · 1036 words · Samir Paul

Number of Submatrices That Sum to Target

October 11, 2020 · 4 min · 820 words · Samir Paul

Project Employees I

October 11, 2020 · 2 min · 313 words · Samir Paul

Project Employees II

October 11, 2020 · 2 min · 341 words · Samir Paul

Project Employees III

October 11, 2020 · 2 min · 406 words · Samir Paul

Occurrences After Bigram

October 11, 2020 · 3 min · 463 words · Samir Paul

Letter Tile Possibilities

October 11, 2020 · 3 min · 482 words · Samir Paul

Insufficient Nodes in Root to Leaf Paths

October 11, 2020 · 5 min · 922 words · Samir Paul

Smallest Subsequence of Distinct Characters

October 10, 2020 · 4 min · 727 words · Samir Paul

Sales Analysis I

October 10, 2020 · 2 min · 394 words · Samir Paul

Sales Analysis II

October 10, 2020 · 2 min · 355 words · Samir Paul

Sales Analysis III

October 10, 2020 · 2 min · 388 words · Samir Paul

Sum of Digits in the Minimum Number

October 10, 2020 · 2 min · 310 words · Samir Paul

High Five

October 10, 2020 · 4 min · 705 words · Samir Paul

Brace Expansion

October 10, 2020 · 2 min · 423 words · Samir Paul

Confusing Number II

October 10, 2020 · 5 min · 1011 words · Samir Paul

Duplicate Zeros

October 10, 2020 · 4 min · 714 words · Samir Paul

Largest Values From Labels

October 10, 2020 · 4 min · 744 words · Samir Paul

Shortest Path in Binary Matrix

October 10, 2020 · 6 min · 1070 words · Samir Paul

Shortest Common Supersequence

October 10, 2020 · 5 min · 1051 words · Samir Paul

Statistics from a Large Sample

October 10, 2020 · 6 min · 1148 words · Samir Paul

Car Pooling

October 10, 2020 · 5 min · 901 words · Samir Paul

Find in Mountain Array

October 10, 2020 · 7 min · 1457 words · Samir Paul

Brace Expansion II

October 10, 2020 · 4 min · 733 words · Samir Paul

Game Play Analysis V

October 10, 2020 · 2 min · 408 words · Samir Paul

Unpopular Books

October 10, 2020 · 2 min · 357 words · Samir Paul

Two Sum Less Than K

October 10, 2020 · 5 min · 1007 words · Samir Paul

Find K-Length Substrings With No Repeated Characters

October 10, 2020 · 7 min · 1337 words · Samir Paul

The Earliest Moment When Everyone Become Friends

October 10, 2020 · 10 min · 2099 words · Samir Paul

Path With Maximum Minimum Value

October 10, 2020 · 15 min · 3119 words · Samir Paul

Distribute Candies to People

October 10, 2020 · 3 min · 583 words · Samir Paul

Path In Zigzag Labelled Binary Tree

October 10, 2020 · 3 min · 607 words · Samir Paul

Filling Bookcase Shelves

October 9, 2020 · 6 min · 1070 words · Samir Paul

Parsing A Boolean Expression

October 9, 2020 · 6 min · 1202 words · Samir Paul

New Users Daily Count

October 9, 2020 · 2 min · 331 words · Samir Paul

Defanging an IP Address

October 9, 2020 · 1 min · 206 words · Samir Paul

Corporate Flight Bookings

October 9, 2020 · 8 min · 1584 words · Samir Paul

Delete Nodes And Return Forest

October 9, 2020 · 6 min · 1128 words · Samir Paul

Maximum Nesting Depth of Two Valid Parentheses Strings

October 9, 2020 · 3 min · 629 words · Samir Paul

Highest Grade For Each Student

October 9, 2020 · 2 min · 387 words · Samir Paul

Reported Posts

October 9, 2020 · 2 min · 353 words · Samir Paul

Print in Order

October 9, 2020 · 4 min · 850 words · Samir Paul

Print FooBar Alternately

October 9, 2020 · 4 min · 683 words · Samir Paul

Print Zero Even Odd

October 9, 2020 · 4 min · 851 words · Samir Paul

Building H2O

October 9, 2020 · 3 min · 585 words · Samir Paul

Number of Days in a Month

October 9, 2020 · 3 min · 481 words · Samir Paul

Remove Vowels from a String

October 9, 2020 · 2 min · 334 words · Samir Paul

Maximum Average Subtree

October 9, 2020 · 5 min · 922 words · Samir Paul

Divide Array Into Increasing Sequences

October 9, 2020 · 3 min · 536 words · Samir Paul

Relative Sort Array

October 9, 2020 · 3 min · 606 words · Samir Paul

Lowest Common Ancestor of Deepest Leaves

October 9, 2020 · 6 min · 1147 words · Samir Paul

Longest Well-Performing Interval

October 9, 2020 · 4 min · 693 words · Samir Paul

Smallest Sufficient Team

October 9, 2020 · 8 min · 1558 words · Samir Paul

Active Businesses

October 9, 2020 · 2 min · 384 words · Samir Paul

User Purchase Platform

October 9, 2020 · 3 min · 433 words · Samir Paul

Number of Equivalent Domino Pairs

October 9, 2020 · 3 min · 558 words · Samir Paul

Shortest Path with Alternating Colors

October 8, 2020 · 6 min · 1133 words · Samir Paul

Minimum Cost Tree From Leaf Values

October 8, 2020 · 10 min · 2086 words · Samir Paul

Maximum of Absolute Value Expression

October 8, 2020 · 4 min · 842 words · Samir Paul

Reported Posts II

October 8, 2020 · 3 min · 503 words · Samir Paul

Largest Unique Number

October 8, 2020 · 3 min · 531 words · Samir Paul

Armstrong Number

October 8, 2020 · 3 min · 460 words · Samir Paul

Connecting Cities With Minimum Cost

October 8, 2020 · 5 min · 945 words · Samir Paul

Parallel Courses

October 8, 2020 · 5 min · 1020 words · Samir Paul

N-th Tribonacci Number

October 8, 2020 · 10 min · 1961 words · Samir Paul

Alphabet Board Path

October 8, 2020 · 4 min · 688 words · Samir Paul

Largest 1-Bordered Square

October 8, 2020 · 5 min · 889 words · Samir Paul

Stone Game II

October 8, 2020 · 6 min · 1176 words · Samir Paul

User Activity for the Past 30 Days I

October 8, 2020 · 2 min · 318 words · Samir Paul

User Activity for the Past 30 Days II

October 8, 2020 · 2 min · 406 words · Samir Paul

Longest Common Subsequence

October 8, 2020 · 6 min · 1225 words · Samir Paul

Decrease Elements To Make Array Zigzag

October 8, 2020 · 4 min · 755 words · Samir Paul

Binary Tree Coloring Game

October 8, 2020 · 7 min · 1381 words · Samir Paul

Snapshot Array

October 8, 2020 · 5 min · 899 words · Samir Paul

Longest Chunked Palindrome Decomposition

October 8, 2020 · 10 min · 2079 words · Samir Paul

Article Views I

October 8, 2020 · 2 min · 244 words · Samir Paul

Article Views II

October 8, 2020 · 2 min · 248 words · Samir Paul

Check If a Number Is Majority Element in a Sorted Array

October 8, 2020 · 5 min · 1061 words · Samir Paul

Minimum Swaps to Group All 1’s Together

October 8, 2020 · 3 min · 626 words · Samir Paul

Analyze User Website Visit Pattern

October 8, 2020 · 6 min · 1269 words · Samir Paul

String Transforms Into Another String

October 7, 2020 · 4 min · 793 words · Samir Paul

Day of the Year

October 7, 2020 · 4 min · 749 words · Samir Paul

Number of Dice Rolls With Target Sum

October 7, 2020 · 7 min · 1465 words · Samir Paul

Swap For Longest Repeated Character Substring

October 7, 2020 · 5 min · 973 words · Samir Paul

Online Majority Element In Subarray

October 7, 2020 · 12 min · 2367 words · Samir Paul

Market Analysis I

October 7, 2020 · 3 min · 495 words · Samir Paul

Market Analysis II

October 7, 2020 · 3 min · 546 words · Samir Paul

Find Words That Can Be Formed by Characters

October 7, 2020 · 4 min · 843 words · Samir Paul

Maximum Level Sum of a Binary Tree

October 7, 2020 · 8 min · 1658 words · Samir Paul

As Far from Land as Possible

October 7, 2020 · 6 min · 1111 words · Samir Paul

Last Substring in Lexicographical Order

October 7, 2020 · 5 min · 892 words · Samir Paul

Product Price at a Given Date

October 7, 2020 · 3 min · 432 words · Samir Paul

Single-Row Keyboard

October 7, 2020 · 4 min · 701 words · Samir Paul

Design File System

October 7, 2020 · 8 min · 1542 words · Samir Paul

Minimum Cost to Connect Sticks

October 7, 2020 · 5 min · 1037 words · Samir Paul

Optimize Water Distribution in a Village

October 7, 2020 · 13 min · 2625 words · Samir Paul

Invalid Transactions

October 7, 2020 · 5 min · 978 words · Samir Paul

Compare Strings by Frequency of the Smallest Character

October 7, 2020 · 5 min · 940 words · Samir Paul

Remove Zero Sum Consecutive Nodes from Linked List

October 7, 2020 · 6 min · 1107 words · Samir Paul

Dinner Plate Stacks

October 7, 2020 · 18 min · 3805 words · Samir Paul

Immediate Food Delivery I

October 7, 2020 · 2 min · 304 words · Samir Paul

Immediate Food Delivery II

October 7, 2020 · 3 min · 506 words · Samir Paul

Prime Arrangements

October 7, 2020 · 4 min · 808 words · Samir Paul

Diet Plan Performance

October 7, 2020 · 7 min · 1427 words · Samir Paul

Can Make Palindrome from Substring

October 6, 2020 · 5 min · 1052 words · Samir Paul

Number of Valid Words for Each Puzzle

October 6, 2020 · 6 min · 1157 words · Samir Paul

Reformat Department Table

October 6, 2020 · 3 min · 443 words · Samir Paul

Count Substrings with Only One Distinct Letter

October 6, 2020 · 4 min · 824 words · Samir Paul

Before and After Puzzle

October 6, 2020 · 5 min · 876 words · Samir Paul

Shortest Distance to Target Color

October 6, 2020 · 6 min · 1116 words · Samir Paul

Maximum Number of Ones

October 6, 2020 · 4 min · 713 words · Samir Paul

Distance Between Bus Stops

October 6, 2020 · 3 min · 634 words · Samir Paul

Day of the Week

October 6, 2020 · 4 min · 796 words · Samir Paul

Maximum Subarray Sum with One Deletion

October 6, 2020 · 4 min · 835 words · Samir Paul

Make Array Strictly Increasing

October 6, 2020 · 8 min · 1564 words · Samir Paul

Design Bounded Blocking Queue

October 6, 2020 · 4 min · 795 words · Samir Paul

Maximum Number of Balloons

October 6, 2020 · 4 min · 741 words · Samir Paul

Reverse Substrings Between Each Pair of Parentheses

October 6, 2020 · 6 min · 1095 words · Samir Paul

K-Concatenation Maximum Sum

October 6, 2020 · 4 min · 773 words · Samir Paul

Critical Connections in a Network

October 6, 2020 · 5 min · 1009 words · Samir Paul

Monthly Transactions I

October 6, 2020 · 2 min · 327 words · Samir Paul

Tournament Winners

October 6, 2020 · 3 min · 484 words · Samir Paul

Fizz Buzz Multithreaded

October 6, 2020 · 4 min · 746 words · Samir Paul

How Many Apples Can You Put into the Basket

October 6, 2020 · 3 min · 464 words · Samir Paul

Minimum Knight Moves

October 6, 2020 · 12 min · 2549 words · Samir Paul

Find Smallest Common Element in All Rows

October 6, 2020 · 3 min · 439 words · Samir Paul

Minimum Time to Build Blocks

October 6, 2020 · 4 min · 816 words · Samir Paul

Minimum Absolute Difference

October 6, 2020 · 3 min · 612 words · Samir Paul

Ugly Number III

October 5, 2020 · 6 min · 1241 words · Samir Paul

Smallest String With Swaps

October 5, 2020 · 6 min · 1222 words · Samir Paul

Sort Items by Groups Respecting Dependencies

October 5, 2020 · 10 min · 1962 words · Samir Paul

Last Person to Fit in the Bus

October 5, 2020 · 3 min · 478 words · Samir Paul

Monthly Transactions II

October 5, 2020 · 3 min · 445 words · Samir Paul

Design Skiplist

October 5, 2020 · 9 min · 1750 words · Samir Paul

Unique Number of Occurrences

October 5, 2020 · 2 min · 374 words · Samir Paul

Get Equal Substrings Within Budget

October 5, 2020 · 8 min · 1547 words · Samir Paul

Remove All Adjacent Duplicates in String II

October 5, 2020 · 4 min · 788 words · Samir Paul

Minimum Moves to Reach Target with Rotations

October 5, 2020 · 12 min · 2494 words · Samir Paul

Queries Quality and Percentage

October 5, 2020 · 2 min · 380 words · Samir Paul

Team Scores in Football Tournament

October 5, 2020 · 4 min · 666 words · Samir Paul

Intersection of Three Sorted Arrays

October 5, 2020 · 4 min · 794 words · Samir Paul

Two Sum BSTs

October 5, 2020 · 6 min · 1116 words · Samir Paul

Stepping Numbers

October 5, 2020 · 4 min · 814 words · Samir Paul

Valid Palindrome III

October 5, 2020 · 5 min · 959 words · Samir Paul

Minimum Cost to Move Chips to The Same Position

October 5, 2020 · 3 min · 486 words · Samir Paul

Longest Arithmetic Subsequence of Given Difference

October 5, 2020 · 2 min · 421 words · Samir Paul

Path with Maximum Gold

October 5, 2020 · 6 min · 1154 words · Samir Paul

Count Vowels Permutation

October 5, 2020 · 12 min · 2543 words · Samir Paul

Split a String in Balanced Strings

October 5, 2020 · 3 min · 566 words · Samir Paul

Queens That Can Attack the King

October 5, 2020 · 5 min · 925 words · Samir Paul

Dice Roll Simulation

October 5, 2020 · 9 min · 1879 words · Samir Paul

Maximum Equal Frequency

October 5, 2020 · 5 min · 944 words · Samir Paul

Report Contiguous Dates

October 4, 2020 · 3 min · 515 words · Samir Paul

The Dining Philosophers

October 4, 2020 · 3 min · 495 words · Samir Paul

Airplane Seat Assignment Probability

October 4, 2020 · 4 min · 849 words · Samir Paul

Missing Number In Arithmetic Progression

October 4, 2020 · 3 min · 591 words · Samir Paul

Meeting Scheduler

October 4, 2020 · 5 min · 884 words · Samir Paul

Toss Strange Coins

October 4, 2020 · 6 min · 1082 words · Samir Paul

Divide Chocolate

October 4, 2020 · 5 min · 1000 words · Samir Paul

Check If It Is a Straight Line

October 4, 2020 · 2 min · 360 words · Samir Paul

Remove Sub-Folders from the Filesystem

October 4, 2020 · 8 min · 1660 words · Samir Paul

Replace the Substring for Balanced String

October 4, 2020 · 4 min · 818 words · Samir Paul

Maximum Profit in Job Scheduling

October 4, 2020 · 9 min · 1732 words · Samir Paul

Web Crawler

October 4, 2020 · 5 min · 864 words · Samir Paul

Find Positive Integer Solution for a Given Equation

October 4, 2020 · 11 min · 2146 words · Samir Paul

Circular Permutation in Binary Representation

October 4, 2020 · 5 min · 964 words · Samir Paul

Maximum Length of a Concatenated String with Unique Characters

October 4, 2020 · 4 min · 711 words · Samir Paul

Tiling a Rectangle with the Fewest Squares

October 4, 2020 · 14 min · 2914 words · Samir Paul

Number of Comments per Post

October 4, 2020 · 2 min · 373 words · Samir Paul

Web Crawler Multithreaded

October 4, 2020 · 3 min · 492 words · Samir Paul

Array Transformation

October 4, 2020 · 3 min · 633 words · Samir Paul

Design A Leaderboard

October 4, 2020 · 5 min · 1048 words · Samir Paul

Tree Diameter

October 4, 2020 · 5 min · 999 words · Samir Paul

Palindrome Removal

October 4, 2020 · 4 min · 794 words · Samir Paul

Minimum Swaps to Make Strings Equal

October 4, 2020 · 4 min · 763 words · Samir Paul

Count Number of Nice Subarrays

October 4, 2020 · 3 min · 550 words · Samir Paul

Minimum Remove to Make Valid Parentheses

October 3, 2020 · 5 min · 1052 words · Samir Paul

Check If It Is a Good Array

October 3, 2020 · 3 min · 556 words · Samir Paul

Average Selling Price

October 3, 2020 · 3 min · 473 words · Samir Paul

Cells with Odd Values in a Matrix

October 3, 2020 · 7 min · 1455 words · Samir Paul

Reconstruct a 2-Row Binary Matrix

October 3, 2020 · 5 min · 1012 words · Samir Paul

Number of Closed Islands

October 3, 2020 · 16 min · 3205 words · Samir Paul

Maximum Score Words Formed by Letters

October 3, 2020 · 5 min · 1038 words · Samir Paul

Encode Number

October 3, 2020 · 2 min · 226 words · Samir Paul

Smallest Common Region

October 3, 2020 · 3 min · 516 words · Samir Paul

Synonymous Sentences

October 3, 2020 · 8 min · 1704 words · Samir Paul

Handshakes That Don’t Cross

October 3, 2020 · 4 min · 723 words · Samir Paul

Shift 2D Grid

October 3, 2020 · 4 min · 724 words · Samir Paul

Find Elements in a Contaminated Binary Tree

October 3, 2020 · 5 min · 967 words · Samir Paul

Greatest Sum Divisible by Three

October 3, 2020 · 5 min · 1021 words · Samir Paul

Minimum Moves to Move a Box to Their Target Location

October 3, 2020 · 15 min · 3046 words · Samir Paul

Page Recommendations

October 3, 2020 · 3 min · 512 words · Samir Paul

Print Immutable Linked List in Reverse

October 3, 2020 · 4 min · 734 words · Samir Paul

Minimum Time Visiting All Points

October 3, 2020 · 4 min · 710 words · Samir Paul

Count Servers that Communicate

October 3, 2020 · 4 min · 788 words · Samir Paul

Search Suggestions System

October 3, 2020 · 6 min · 1256 words · Samir Paul

Number of Ways to Stay in the Same Place After Some Steps

October 3, 2020 · 5 min · 1058 words · Samir Paul

All People Report to the Given Manager

October 3, 2020 · 3 min · 448 words · Samir Paul

Hexspeak

October 3, 2020 · 3 min · 433 words · Samir Paul

Remove Interval

October 3, 2020 · 4 min · 656 words · Samir Paul

Delete Tree Nodes

October 2, 2020 · 4 min · 668 words · Samir Paul

Number of Ships in a Rectangle

October 2, 2020 · 6 min · 1254 words · Samir Paul

Find Winner on a Tic Tac Toe Game

October 2, 2020 · 5 min · 1006 words · Samir Paul

Number of Burgers with No Waste of Ingredients

October 2, 2020 · 3 min · 626 words · Samir Paul

Count Square Submatrices with All Ones

October 2, 2020 · 3 min · 542 words · Samir Paul

Palindrome Partitioning III

October 2, 2020 · 4 min · 796 words · Samir Paul

Traffic Light Controlled Intersection

October 2, 2020 · 5 min · 921 words · Samir Paul

Students and Examinations

October 2, 2020 · 3 min · 627 words · Samir Paul

Subtract the Product and Sum of Digits of an Integer

October 2, 2020 · 4 min · 662 words · Samir Paul

Group the People Given the Group Size They Belong To

October 2, 2020 · 4 min · 771 words · Samir Paul

Find the Smallest Divisor Given a Threshold

October 2, 2020 · 5 min · 962 words · Samir Paul

Minimum Number of Flips to Convert Binary Matrix to Zero Matrix

October 2, 2020 · 6 min · 1127 words · Samir Paul

Find the Start and End Number of Continuous Ranges

October 2, 2020 · 3 min · 431 words · Samir Paul

Iterator for Combination

October 2, 2020 · 7 min · 1470 words · Samir Paul

Element Appearing More Than 25% In Sorted Array

October 2, 2020 · 2 min · 363 words · Samir Paul

Remove Covered Intervals

October 2, 2020 · 2 min · 385 words · Samir Paul

Minimum Falling Path Sum II

October 2, 2020 · 5 min · 1027 words · Samir Paul

Convert Binary Number in a Linked List to Integer

October 2, 2020 · 5 min · 915 words · Samir Paul

Sequential Digits

October 2, 2020 · 3 min · 451 words · Samir Paul

Maximum Side Length of a Square with Sum Less than or Equal to Threshold

October 2, 2020 · 6 min · 1091 words · Samir Paul

Shortest Path in a Grid with Obstacles Elimination

October 2, 2020 · 5 min · 1061 words · Samir Paul

Weather Type in Each Country

October 2, 2020 · 3 min · 563 words · Samir Paul

Find Numbers with Even Number of Digits

October 2, 2020 · 2 min · 311 words · Samir Paul

Divide Array in Sets of K Consecutive Numbers

October 2, 2020 · 5 min · 880 words · Samir Paul

Maximum Number of Occurrences of a Substring

October 1, 2020 · 3 min · 475 words · Samir Paul

Maximum Candies You Can Get from Boxes

October 1, 2020 · 5 min · 1004 words · Samir Paul

Replace Elements with Greatest Element on Right Side

October 1, 2020 · 2 min · 280 words · Samir Paul

Sum of Mutated Array Closest to Target

October 1, 2020 · 4 min · 647 words · Samir Paul

Number of Paths with Max Score

October 1, 2020 · 5 min · 1065 words · Samir Paul

Deepest Leaves Sum

October 1, 2020 · 9 min · 1766 words · Samir Paul

Find the Team Size

October 1, 2020 · 2 min · 377 words · Samir Paul

Find N Unique Integers Sum up to Zero

October 1, 2020 · 3 min · 509 words · Samir Paul

All Elements in Two Binary Search Trees

October 1, 2020 · 7 min · 1283 words · Samir Paul

Jump Game III

October 1, 2020 · 3 min · 612 words · Samir Paul

Verbal Arithmetic Puzzle

October 1, 2020 · 2 min · 240 words · Samir Paul

Running Total for Different Genders

October 1, 2020 · 3 min · 520 words · Samir Paul

Decrypt String from Alphabet to Integer Mapping

October 1, 2020 · 3 min · 579 words · Samir Paul

XOR Queries of a Subarray

October 1, 2020 · 3 min · 609 words · Samir Paul

Get Watched Videos by Your Friends

October 1, 2020 · 3 min · 587 words · Samir Paul

Minimum Insertion Steps to Make a String Palindrome

October 1, 2020 · 7 min · 1279 words · Samir Paul

Decompress Run-Length Encoded List

October 1, 2020 · 3 min · 591 words · Samir Paul

Matrix Block Sum

October 1, 2020 · 4 min · 836 words · Samir Paul

Sum of Nodes with Even-Valued Grandparent

October 1, 2020 · 3 min · 633 words · Samir Paul

Distinct Echo Substrings

October 1, 2020 · 5 min · 1010 words · Samir Paul

Convert Integer to the Sum of Two No-Zero Integers

October 1, 2020 · 3 min · 633 words · Samir Paul

Minimum Flips to Make a OR b Equal to c

October 1, 2020 · 3 min · 457 words · Samir Paul

Number of Operations to Make Network Connected

October 1, 2020 · 4 min · 646 words · Samir Paul

Minimum Distance to Type a Word Using Two Fingers

October 1, 2020 · 6 min · 1278 words · Samir Paul

September ⁷²⁰

Restaurant Growth

September 30, 2020 · 3 min · 575 words · Samir Paul

Ads Performance

September 30, 2020 · 2 min · 364 words · Samir Paul

Maximum 69 Number

September 30, 2020 · 2 min · 413 words · Samir Paul

Print Words Vertically

September 30, 2020 · 3 min · 526 words · Samir Paul

Delete Leaves With a Given Value

September 30, 2020 · 4 min · 728 words · Samir Paul

Minimum Number of Taps to Open to Water a Garden

September 30, 2020 · 5 min · 932 words · Samir Paul

List the Products Ordered in a Period

September 30, 2020 · 3 min · 442 words · Samir Paul

Break a Palindrome

September 30, 2020 · 3 min · 588 words · Samir Paul

Sort the Matrix Diagonally

September 30, 2020 · 3 min · 446 words · Samir Paul

Reverse Subarray To Maximize Array Value

September 30, 2020 · 5 min · 1048 words · Samir Paul

Rank Transform of an Array

September 30, 2020 · 3 min · 514 words · Samir Paul

Remove Palindromic Subsequences

September 30, 2020 · 3 min · 448 words · Samir Paul

Filter Restaurants by Vegan-Friendly, Price and Distance

September 30, 2020 · 4 min · 683 words · Samir Paul

Find the City With the Smallest Number of Neighbors at a Threshold Distance

September 30, 2020 · 11 min · 2251 words · Samir Paul

Minimum Difficulty of a Job Schedule

September 30, 2020 · 5 min · 922 words · Samir Paul

Number of Transactions per Visit

September 30, 2020 · 4 min · 688 words · Samir Paul

The K Weakest Rows in a Matrix

September 30, 2020 · 4 min · 767 words · Samir Paul

Reduce Array Size to The Half

September 30, 2020 · 3 min · 567 words · Samir Paul

Maximum Product of Splitted Binary Tree

September 30, 2020 · 5 min · 1018 words · Samir Paul

Jump Game V

September 30, 2020 · 7 min · 1383 words · Samir Paul

Movie Rating

September 30, 2020 · 3 min · 489 words · Samir Paul

Number of Steps to Reduce a Number to Zero

September 30, 2020 · 4 min · 704 words · Samir Paul

Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold

September 30, 2020 · 3 min · 507 words · Samir Paul

Angle Between Hands of a Clock

September 30, 2020 · 2 min · 307 words · Samir Paul

Jump Game IV

September 29, 2020 · 4 min · 811 words · Samir Paul

Check If N and Its Double Exist

September 29, 2020 · 8 min · 1598 words · Samir Paul

Minimum Number of Steps to Make Two Strings Anagram

September 29, 2020 · 3 min · 484 words · Samir Paul

Tweet Counts Per Frequency

September 29, 2020 · 4 min · 791 words · Samir Paul

Maximum Students Taking Exam

September 29, 2020 · 8 min · 1504 words · Samir Paul

Students With Invalid Departments

September 29, 2020 · 3 min · 434 words · Samir Paul

Count Negative Numbers in a Sorted Matrix

September 29, 2020 · 7 min · 1335 words · Samir Paul

Product of the Last K Numbers

September 29, 2020 · 4 min · 805 words · Samir Paul

Maximum Number of Events That Can Be Attended

September 29, 2020 · 4 min · 806 words · Samir Paul

Construct Target Array With Multiple Sums

September 29, 2020 · 5 min · 961 words · Samir Paul

Activity Participants

September 29, 2020 · 2 min · 353 words · Samir Paul

Sort Integers by The Number of 1 Bits

September 29, 2020 · 4 min · 800 words · Samir Paul

Apply Discount Every n Orders

September 29, 2020 · 6 min · 1093 words · Samir Paul

Number of Substrings Containing All Three Characters

September 29, 2020 · 2 min · 403 words · Samir Paul

Count All Valid Pickup and Delivery Options

September 29, 2020 · 3 min · 541 words · Samir Paul

Number of Days Between Two Dates

September 29, 2020 · 6 min · 1078 words · Samir Paul

Validate Binary Tree Nodes

September 29, 2020 · 4 min · 793 words · Samir Paul

Closest Divisors

September 29, 2020 · 3 min · 528 words · Samir Paul

Largest Multiple of Three

September 29, 2020 · 6 min · 1265 words · Samir Paul

Number of Trusted Contacts of a Customer

September 29, 2020 · 3 min · 622 words · Samir Paul

How Many Numbers Are Smaller Than the Current Number

September 29, 2020 · 5 min · 1015 words · Samir Paul

Rank Teams by Votes

September 29, 2020 · 4 min · 812 words · Samir Paul

Linked List in Binary Tree

September 29, 2020 · 8 min · 1528 words · Samir Paul

Minimum Cost to Make at Least One Valid Path in a Grid

September 29, 2020 · 7 min · 1319 words · Samir Paul

Get the Second Most Recent Activity

September 28, 2020 · 2 min · 304 words · Samir Paul

Increasing Decreasing String

September 28, 2020 · 5 min · 980 words · Samir Paul

Find the Longest Substring Containing Vowels in Even Counts

September 28, 2020 · 3 min · 496 words · Samir Paul

Longest ZigZag Path in a Binary Tree

September 28, 2020 · 4 min · 649 words · Samir Paul

Maximum Sum BST in Binary Tree

September 28, 2020 · 7 min · 1378 words · Samir Paul

Generate a String With Characters That Have Odd Counts

September 28, 2020 · 2 min · 367 words · Samir Paul

Number of Times Binary String Is Prefix-Aligned

September 28, 2020 · 3 min · 629 words · Samir Paul

Time Needed to Inform All Employees

September 28, 2020 · 5 min · 958 words · Samir Paul

Frog Position After T Seconds

September 28, 2020 · 8 min · 1538 words · Samir Paul

Replace Employee ID With The Unique Identifier

September 28, 2020 · 2 min · 316 words · Samir Paul

Find a Corresponding Node of a Binary Tree in a Clone of That Tree

September 28, 2020 · 5 min · 920 words · Samir Paul

Lucky Numbers in a Matrix

September 28, 2020 · 5 min · 884 words · Samir Paul

Design a Stack With Increment Operation

September 28, 2020 · 6 min · 1236 words · Samir Paul

Balance a Binary Search Tree

September 28, 2020 · 5 min · 1059 words · Samir Paul

Maximum Performance of a Team

September 28, 2020 · 4 min · 766 words · Samir Paul

Total Sales Amount by Year

September 28, 2020 · 3 min · 518 words · Samir Paul

Find the Distance Value Between Two Arrays

September 28, 2020 · 4 min · 823 words · Samir Paul

Cinema Seat Allocation

September 28, 2020 · 5 min · 865 words · Samir Paul

Sort Integers by The Power Value

September 28, 2020 · 5 min · 1045 words · Samir Paul

Pizza With 3n Slices

September 28, 2020 · 6 min · 1187 words · Samir Paul

Create Target Array in the Given Order

September 28, 2020 · 3 min · 450 words · Samir Paul

Four Divisors

September 28, 2020 · 4 min · 691 words · Samir Paul

Check if There is a Valid Path in a Grid

September 28, 2020 · 8 min · 1691 words · Samir Paul

Longest Happy Prefix

September 28, 2020 · 5 min · 904 words · Samir Paul

Capital GainLoss

September 27, 2020 · 3 min · 512 words · Samir Paul

Find Lucky Integer in an Array

September 27, 2020 · 3 min · 554 words · Samir Paul

Count Number of Teams

September 27, 2020 · 11 min · 2193 words · Samir Paul

Design Underground System

September 27, 2020 · 7 min · 1330 words · Samir Paul

Find All Good Strings

September 27, 2020 · 2 min · 214 words · Samir Paul

Customers Who Bought Products A and B but Not C

September 27, 2020 · 2 min · 384 words · Samir Paul

Count Largest Group

September 27, 2020 · 4 min · 704 words · Samir Paul

Construct K Palindrome Strings

September 27, 2020 · 3 min · 580 words · Samir Paul

Circle and Rectangle Overlapping

September 27, 2020 · 5 min · 938 words · Samir Paul

Reducing Dishes

September 27, 2020 · 4 min · 707 words · Samir Paul

Minimum Subsequence in Non-Increasing Order

September 27, 2020 · 4 min · 673 words · Samir Paul

Number of Steps to Reduce a Number in Binary Representation to One

September 27, 2020 · 3 min · 615 words · Samir Paul

Longest Happy String

September 27, 2020 · 5 min · 1055 words · Samir Paul

Stone Game III

September 27, 2020 · 6 min · 1249 words · Samir Paul

Top Travellers

September 27, 2020 · 3 min · 458 words · Samir Paul

String Matching in an Array

September 27, 2020 · 3 min · 541 words · Samir Paul

Queries on a Permutation With Key

September 27, 2020 · 7 min · 1336 words · Samir Paul

HTML Entity Parser

September 27, 2020 · 5 min · 949 words · Samir Paul

Number of Ways to Paint N × 3 Grid

September 27, 2020 · 10 min · 2123 words · Samir Paul

Find the Quiet Students in All Exams

September 27, 2020 · 3 min · 587 words · Samir Paul

Minimum Value to Get Positive Step by Step Sum

September 27, 2020 · 3 min · 522 words · Samir Paul

Find the Minimum Number of Fibonacci Numbers Whose Sum Is K

September 27, 2020 · 3 min · 616 words · Samir Paul

The k-th Lexicographical String of All Happy Strings of Length n

September 27, 2020 · 3 min · 462 words · Samir Paul

Restore The Array

September 27, 2020 · 1 min · 186 words · Samir Paul

Reformat The String

September 26, 2020 · 3 min · 616 words · Samir Paul

Display Table of Food Orders in a Restaurant

September 26, 2020 · 4 min · 811 words · Samir Paul

Minimum Number of Frogs Croaking

September 26, 2020 · 4 min · 820 words · Samir Paul

Build Array Where You Can Find The Maximum Exactly K Comparisons

September 26, 2020 · 5 min · 869 words · Samir Paul

NPV Queries

September 26, 2020 · 2 min · 389 words · Samir Paul

Maximum Score After Splitting a String

September 26, 2020 · 5 min · 1026 words · Samir Paul

Maximum Points You Can Obtain from Cards

September 26, 2020 · 6 min · 1232 words · Samir Paul

Diagonal Traverse II

September 26, 2020 · 3 min · 473 words · Samir Paul

Constrained Subsequence Sum

September 26, 2020 · 3 min · 528 words · Samir Paul

Counting Elements

September 26, 2020 · 3 min · 638 words · Samir Paul

Perform String Shifts

September 26, 2020 · 3 min · 590 words · Samir Paul

Leftmost Column with at Least a One

September 26, 2020 · 7 min · 1367 words · Samir Paul

First Unique Number

September 26, 2020 · 5 min · 944 words · Samir Paul

Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree

September 26, 2020 · 4 min · 704 words · Samir Paul

Kids With the Greatest Number of Candies

September 26, 2020 · 4 min · 685 words · Samir Paul

Max Difference You Can Get From Changing an Integer

September 26, 2020 · 4 min · 660 words · Samir Paul

Check If a String Can Break Another String

September 26, 2020 · 3 min · 529 words · Samir Paul

Number of Ways to Wear Different Hats to Each Other

September 26, 2020 · 6 min · 1193 words · Samir Paul

Create a Session Bar Chart

September 26, 2020 · 2 min · 324 words · Samir Paul

Destination City

September 26, 2020 · 3 min · 600 words · Samir Paul

Check If All 1’s Are at Least Length K Places Away

September 26, 2020 · 2 min · 409 words · Samir Paul

Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit

September 26, 2020 · 17 min · 3551 words · Samir Paul

Find the Kth Smallest Sum of a Matrix With Sorted Rows

September 26, 2020 · 3 min · 562 words · Samir Paul

Evaluate Boolean Expression

September 26, 2020 · 3 min · 511 words · Samir Paul

Build an Array With Stack Operations

September 25, 2020 · 5 min · 880 words · Samir Paul

Count Triplets That Can Form Two Arrays of Equal XOR

September 25, 2020 · 3 min · 556 words · Samir Paul

Minimum Time to Collect All Apples in a Tree

September 25, 2020 · 4 min · 701 words · Samir Paul

Number of Ways of Cutting a Pizza

September 25, 2020 · 7 min · 1457 words · Samir Paul

Apples & Oranges

September 25, 2020 · 2 min · 351 words · Samir Paul

Consecutive Characters

September 25, 2020 · 2 min · 379 words · Samir Paul

Simplified Fractions

September 25, 2020 · 3 min · 546 words · Samir Paul

Count Good Nodes in Binary Tree

September 25, 2020 · 4 min · 776 words · Samir Paul

Form Largest Integer With Digits That Add up to Target

September 25, 2020 · 6 min · 1112 words · Samir Paul

Number of Students Doing Homework at a Given Time

September 25, 2020 · 4 min · 803 words · Samir Paul

Rearrange Words in a Sentence

September 25, 2020 · 3 min · 585 words · Samir Paul

People Whose List of Favorite Companies Is Not a Subset of Another List

September 25, 2020 · 4 min · 840 words · Samir Paul

Maximum Number of Darts Inside of a Circular Dartboard

September 25, 2020 · 1 min · 178 words · Samir Paul

Active Users

September 25, 2020 · 2 min · 381 words · Samir Paul

Check If a Word Occurs As a Prefix of Any Word in a Sentence

September 25, 2020 · 3 min · 562 words · Samir Paul

Maximum Number of Vowels in a Substring of Given Length

September 25, 2020 · 4 min · 757 words · Samir Paul

Pseudo-Palindromic Paths in a Binary Tree

September 25, 2020 · 7 min · 1324 words · Samir Paul

Max Dot Product of Two Subsequences

September 25, 2020 · 4 min · 648 words · Samir Paul

Rectangles Area

September 25, 2020 · 2 min · 349 words · Samir Paul

Make Two Arrays Equal by Reversing Subarrays

September 25, 2020 · 5 min · 1002 words · Samir Paul

Check If a String Contains All Binary Codes of Size K

September 25, 2020 · 4 min · 780 words · Samir Paul

Course Schedule IV

September 25, 2020 · 8 min · 1500 words · Samir Paul

Cherry Pickup II

September 25, 2020 · 11 min · 2285 words · Samir Paul

Maximum Product of Two Elements in an Array

September 25, 2020 · 6 min · 1106 words · Samir Paul

Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts

September 24, 2020 · 5 min · 983 words · Samir Paul

Reorder Routes to Make All Paths Lead to the City Zero

September 24, 2020 · 5 min · 1004 words · Samir Paul

Probability of a Two Boxes Having The Same Number of Distinct Balls

September 24, 2020 · 8 min · 1577 words · Samir Paul

Calculate Salaries

September 24, 2020 · 3 min · 540 words · Samir Paul

Find All The Lonely Nodes

September 24, 2020 · 4 min · 661 words · Samir Paul

Shuffle the Array

September 24, 2020 · 3 min · 550 words · Samir Paul

The k Strongest Values in an Array

September 24, 2020 · 4 min · 650 words · Samir Paul

Design Browser History

September 24, 2020 · 5 min · 854 words · Samir Paul

Paint House III

September 24, 2020 · 8 min · 1669 words · Samir Paul

Delete N Nodes After M Nodes of a Linked List

September 24, 2020 · 4 min · 781 words · Samir Paul

Final Prices With a Special Discount in a Shop

September 24, 2020 · 7 min · 1451 words · Samir Paul

Subrectangle Queries

September 24, 2020 · 5 min · 961 words · Samir Paul

Find Two Non-overlapping Sub-arrays Each With Target Sum

September 24, 2020 · 4 min · 659 words · Samir Paul

Allocate Mailboxes

September 24, 2020 · 4 min · 741 words · Samir Paul

Sales by Day of the Week

September 24, 2020 · 4 min · 689 words · Samir Paul

Running Sum of 1d Array

September 24, 2020 · 2 min · 373 words · Samir Paul

Least Number of Unique Integers after K Removals

September 24, 2020 · 3 min · 635 words · Samir Paul

Minimum Number of Days to Make m Bouquets

September 24, 2020 · 5 min · 989 words · Samir Paul

Kth Ancestor of a Tree Node

September 24, 2020 · 7 min · 1319 words · Samir Paul

Group Sold Products By The Date

September 24, 2020 · 2 min · 264 words · Samir Paul

Clone Binary Tree With Random Pointer

September 24, 2020 · 4 min · 797 words · Samir Paul

XOR Operation in an Array

September 24, 2020 · 2 min · 324 words · Samir Paul

Making File Names Unique

September 24, 2020 · 3 min · 632 words · Samir Paul

Avoid Flood in The City

September 24, 2020 · 15 min · 3169 words · Samir Paul

Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree

September 23, 2020 · 8 min · 1520 words · Samir Paul

Clone N-ary Tree

September 23, 2020 · 3 min · 486 words · Samir Paul

Average Salary Excluding the Minimum and Maximum Salary

September 23, 2020 · 4 min · 650 words · Samir Paul

The kth Factor of n

September 23, 2020 · 4 min · 691 words · Samir Paul

Longest Subarray of 1’s After Deleting One Element

September 23, 2020 · 3 min · 554 words · Samir Paul

Parallel Courses II

September 23, 2020 · 5 min · 1055 words · Samir Paul

Friendly Movies Streamed Last Month

September 23, 2020 · 3 min · 442 words · Samir Paul

Path Crossing

September 23, 2020 · 3 min · 566 words · Samir Paul

Check If Array Pairs Are Divisible by k

September 23, 2020 · 2 min · 403 words · Samir Paul

Number of Subsequences That Satisfy the Given Sum Condition

September 23, 2020 · 4 min · 710 words · Samir Paul

Max Value of Equation

September 23, 2020 · 8 min · 1524 words · Samir Paul

Design a File Sharing System

September 23, 2020 · 5 min · 982 words · Samir Paul

Countries You Can Safely Invest In

September 23, 2020 · 4 min · 796 words · Samir Paul

Can Make Arithmetic Progression From Sequence

September 23, 2020 · 7 min · 1347 words · Samir Paul

Last Moment Before All Ants Fall Out of a Plank

September 23, 2020 · 3 min · 638 words · Samir Paul

Count Submatrices With All Ones

September 23, 2020 · 4 min · 687 words · Samir Paul

Minimum Possible Integer After at Most K Adjacent Swaps On Digits

September 23, 2020 · 5 min · 1058 words · Samir Paul

Find Root of N-Ary Tree

September 23, 2020 · 4 min · 837 words · Samir Paul

Reformat Date

September 23, 2020 · 3 min · 508 words · Samir Paul

Range Sum of Sorted Subarray Sums

September 23, 2020 · 4 min · 667 words · Samir Paul

Minimum Difference Between Largest and Smallest Value in Three Moves

September 23, 2020 · 3 min · 555 words · Samir Paul

Stone Game IV

September 23, 2020 · 5 min · 945 words · Samir Paul

Customer Order Frequency

September 23, 2020 · 3 min · 624 words · Samir Paul

Number of Good Pairs

September 23, 2020 · 4 min · 831 words · Samir Paul

Number of Substrings With Only 1s

September 22, 2020 · 2 min · 419 words · Samir Paul

Path with Maximum Probability

September 22, 2020 · 6 min · 1221 words · Samir Paul

Best Position for a Service Centre

September 22, 2020 · 5 min · 1063 words · Samir Paul

Move Sub-Tree of N-Ary Tree

September 22, 2020 · 2 min · 375 words · Samir Paul

Find Users With Valid E-Mails

September 22, 2020 · 2 min · 298 words · Samir Paul

Water Bottles

September 22, 2020 · 3 min · 457 words · Samir Paul

Number of Nodes in the Sub-Tree With the Same Label

September 22, 2020 · 5 min · 910 words · Samir Paul

Maximum Number of Non-Overlapping Substrings

September 22, 2020 · 2 min · 276 words · Samir Paul

Find a Value of a Mysterious Function Closest to Target

September 22, 2020 · 4 min · 834 words · Samir Paul

Diameter of N-Ary Tree

September 22, 2020 · 8 min · 1494 words · Samir Paul

Count Odd Numbers in an Interval Range

September 22, 2020 · 2 min · 306 words · Samir Paul

Number of Sub-arrays With Odd Sum

September 22, 2020 · 3 min · 436 words · Samir Paul

Number of Good Ways to Split a String

September 22, 2020 · 3 min · 474 words · Samir Paul

Minimum Number of Increments on Subarrays to Form a Target Array

September 22, 2020 · 2 min · 417 words · Samir Paul

Patients With a Condition

September 22, 2020 · 2 min · 222 words · Samir Paul

Shuffle String

September 22, 2020 · 2 min · 336 words · Samir Paul

Minimum Suffix Flips

September 22, 2020 · 2 min · 419 words · Samir Paul

Number of Good Leaf Nodes Pairs

September 22, 2020 · 5 min · 945 words · Samir Paul

String Compression II

September 22, 2020 · 3 min · 531 words · Samir Paul

The Most Recent Three Orders

September 22, 2020 · 3 min · 624 words · Samir Paul

Find the Index of the Large Integer

September 22, 2020 · 6 min · 1159 words · Samir Paul

Count Good Triplets

September 22, 2020 · 3 min · 524 words · Samir Paul

Find the Winner of an Array Game

September 22, 2020 · 3 min · 628 words · Samir Paul

Minimum Swaps to Arrange a Binary Grid

September 22, 2020 · 5 min · 959 words · Samir Paul

Get the Maximum Score

September 21, 2020 · 5 min · 877 words · Samir Paul

Guess the Majority in a Hidden Array

September 21, 2020 · 9 min · 1892 words · Samir Paul

Kth Missing Positive Number

September 21, 2020 · 3 min · 473 words · Samir Paul

Can Convert String in K Moves

September 21, 2020 · 3 min · 598 words · Samir Paul

Minimum Insertions to Balance a Parentheses String

September 21, 2020 · 3 min · 628 words · Samir Paul

Find Longest Awesome Substring

September 21, 2020 · 3 min · 546 words · Samir Paul

Fix Product Name Format

September 21, 2020 · 2 min · 329 words · Samir Paul

Make The String Great

September 21, 2020 · 3 min · 441 words · Samir Paul

Find Kth Bit in Nth Binary String

September 21, 2020 · 4 min · 759 words · Samir Paul

Maximum Number of Non-Overlapping Subarrays With Sum Equals Target

September 21, 2020 · 3 min · 575 words · Samir Paul

Minimum Cost to Cut a Stick

September 21, 2020 · 7 min · 1491 words · Samir Paul

The Most Similar Path in a Graph

September 21, 2020 · 8 min · 1698 words · Samir Paul

The Most Recent Orders for Each Product

September 21, 2020 · 3 min · 637 words · Samir Paul

Three Consecutive Odds

September 21, 2020 · 2 min · 393 words · Samir Paul

Minimum Operations to Make Array Equal

September 21, 2020 · 3 min · 545 words · Samir Paul

Magnetic Force Between Two Balls

September 21, 2020 · 4 min · 816 words · Samir Paul

Minimum Number of Days to Eat N Oranges

September 21, 2020 · 3 min · 527 words · Samir Paul

Strings Differ by One Character

September 21, 2020 · 2 min · 373 words · Samir Paul

Bank Account Summary

September 21, 2020 · 3 min · 494 words · Samir Paul

Thousand Separator

September 21, 2020 · 2 min · 350 words · Samir Paul

Minimum Number of Vertices to Reach All Nodes

September 21, 2020 · 3 min · 519 words · Samir Paul

Minimum Numbers of Function Calls to Make Target Array

September 21, 2020 · 3 min · 438 words · Samir Paul

Detect Cycles in 2D Grid

September 21, 2020 · 7 min · 1315 words · Samir Paul

Most Visited Sector in a Circular Track

September 21, 2020 · 3 min · 537 words · Samir Paul

Maximum Number of Coins You Can Get

September 20, 2020 · 3 min · 585 words · Samir Paul

Find Latest Group of Size M

September 20, 2020 · 7 min · 1428 words · Samir Paul

Stone Game V

September 20, 2020 · 6 min · 1066 words · Samir Paul

Put Boxes Into the Warehouse I

September 20, 2020 · 4 min · 843 words · Samir Paul

Unique Orders and Customers Per Month

September 20, 2020 · 2 min · 380 words · Samir Paul

Detect Pattern of Length M Repeated K or More Times

September 20, 2020 · 3 min · 634 words · Samir Paul

Maximum Length of Subarray With Positive Product

September 20, 2020 · 4 min · 822 words · Samir Paul

Minimum Number of Days to Disconnect Island

September 20, 2020 · 6 min · 1132 words · Samir Paul

Number of Ways to Reorder Array to Get Same BST

September 20, 2020 · 7 min · 1474 words · Samir Paul

Dot Product of Two Sparse Vectors

September 20, 2020 · 5 min · 871 words · Samir Paul

Warehouse Manager

September 20, 2020 · 3 min · 486 words · Samir Paul

Matrix Diagonal Sum

September 20, 2020 · 3 min · 595 words · Samir Paul

Number of Ways to Split a String

September 20, 2020 · 4 min · 784 words · Samir Paul

Shortest Subarray to be Removed to Make Array Sorted

September 20, 2020 · 6 min · 1139 words · Samir Paul

Count All Possible Routes

September 20, 2020 · 10 min · 1993 words · Samir Paul

Replace All ’s to Avoid Consecutive Repeating Characters

September 20, 2020 · 3 min · 616 words · Samir Paul

Number of Ways Where Square of Number Is Equal to Product of Two Numbers

September 20, 2020 · 4 min · 717 words · Samir Paul

Minimum Time to Make Rope Colorful

September 20, 2020 · 3 min · 639 words · Samir Paul

Remove Max Number of Edges to Keep Graph Fully Traversable

September 20, 2020 · 7 min · 1313 words · Samir Paul

Put Boxes Into the Warehouse II

September 20, 2020 · 5 min · 927 words · Samir Paul

Customer Who Visited but Did Not Make Any Transactions

September 20, 2020 · 3 min · 551 words · Samir Paul

Special Positions in a Binary Matrix

September 20, 2020 · 5 min · 924 words · Samir Paul

Count Unhappy Friends

September 20, 2020 · 4 min · 833 words · Samir Paul

Min Cost to Connect All Points

September 20, 2020 · 9 min · 1780 words · Samir Paul

Check If String Is Transformable With Substring Sort Operations

September 19, 2020 · 3 min · 542 words · Samir Paul

Binary Search Tree Iterator II

September 19, 2020 · 8 min · 1614 words · Samir Paul

Bank Account Summary II

September 19, 2020 · 3 min · 438 words · Samir Paul

Sum of All Odd Length Subarrays

September 19, 2020 · 4 min · 663 words · Samir Paul

Maximum Sum Obtained of Any Permutation

September 19, 2020 · 4 min · 830 words · Samir Paul

Make Sum Divisible by P

September 19, 2020 · 4 min · 822 words · Samir Paul

Strange Printer II

September 19, 2020 · 1 min · 163 words · Samir Paul

Rearrange Spaces Between Words

September 19, 2020 · 3 min · 639 words · Samir Paul

Split a String Into the Max Number of Unique Substrings

September 19, 2020 · 3 min · 527 words · Samir Paul

Maximum Non Negative Product in a Matrix

September 19, 2020 · 5 min · 1000 words · Samir Paul

Minimum Cost to Connect Two Groups of Points

September 19, 2020 · 8 min · 1648 words · Samir Paul

The Most Frequently Ordered Products for Each Customer

September 19, 2020 · 4 min · 678 words · Samir Paul

Build Binary Expression Tree From Infix Expression

September 19, 2020 · 2 min · 379 words · Samir Paul

Crawler Log Folder

September 19, 2020 · 3 min · 609 words · Samir Paul

Maximum Profit of Operating a Centennial Wheel

September 19, 2020 · 7 min · 1381 words · Samir Paul

Throne Inheritance

September 19, 2020 · 6 min · 1116 words · Samir Paul

Maximum Number of Achievable Transfer Requests

September 19, 2020 · 6 min · 1257 words · Samir Paul

Find Nearest Right Node in Binary Tree

September 19, 2020 · 8 min · 1513 words · Samir Paul

Design Parking System

September 19, 2020 · 5 min · 1034 words · Samir Paul

Alert Using Same Key-Card Three or More Times in a One Hour Period

September 19, 2020 · 4 min · 691 words · Samir Paul

Find Valid Matrix Given Row and Column Sums

September 19, 2020 · 4 min · 684 words · Samir Paul

Find Servers That Handled Most Number of Requests

September 19, 2020 · 6 min · 1083 words · Samir Paul

Sellers With No Sales

September 19, 2020 · 3 min · 468 words · Samir Paul

Special Array With X Elements Greater Than or Equal X

September 19, 2020 · 6 min · 1095 words · Samir Paul

Even Odd Tree

September 18, 2020 · 8 min · 1563 words · Samir Paul

Maximum Number of Visible Points

September 18, 2020 · 5 min · 894 words · Samir Paul

Minimum One Bit Operations to Make Integers Zero

September 18, 2020 · 3 min · 514 words · Samir Paul

Check If Two Expression Trees are Equivalent

September 18, 2020 · 8 min · 1525 words · Samir Paul

Find the Missing IDs

September 18, 2020 · 2 min · 263 words · Samir Paul

Maximum Nesting Depth of the Parentheses

September 18, 2020 · 3 min · 639 words · Samir Paul

Maximal Network Rank

September 18, 2020 · 4 min · 784 words · Samir Paul

Split Two Strings to Make Palindrome

September 18, 2020 · 5 min · 933 words · Samir Paul

Count Subtrees With Max Distance Between Cities

September 18, 2020 · 12 min · 2441 words · Samir Paul

Maximum Font to Fit a Sentence in a Screen

September 18, 2020 · 6 min · 1168 words · Samir Paul

Mean of Array After Removing Some Elements

September 18, 2020 · 3 min · 441 words · Samir Paul

Coordinate With Maximum Network Quality

September 18, 2020 · 4 min · 817 words · Samir Paul

Number of Sets of K Non-Overlapping Line Segments

September 18, 2020 · 4 min · 852 words · Samir Paul

Fancy Sequence

September 18, 2020 · 11 min · 2157 words · Samir Paul

All Valid Triplets That Can Represent a Country

September 18, 2020 · 3 min · 525 words · Samir Paul

Largest Substring Between Two Equal Characters

September 18, 2020 · 4 min · 644 words · Samir Paul

Lexicographically Smallest String After Applying Operations

September 18, 2020 · 7 min · 1431 words · Samir Paul

Best Team With No Conflicts

September 18, 2020 · 7 min · 1482 words · Samir Paul

Graph Connectivity With Threshold

September 18, 2020 · 7 min · 1440 words · Samir Paul

Design an Expression Tree With Evaluate Function

September 18, 2020 · 7 min · 1281 words · Samir Paul

Slowest Key

September 18, 2020 · 4 min · 725 words · Samir Paul

Arithmetic Subarrays

September 18, 2020 · 6 min · 1226 words · Samir Paul

Path With Minimum Effort

September 18, 2020 · 20 min · 4054 words · Samir Paul

Rank Transform of a Matrix

September 18, 2020 · 7 min · 1440 words · Samir Paul

Percentage of Users Attended a Contest

September 17, 2020 · 3 min · 429 words · Samir Paul

Add Two Polynomials Represented as Linked Lists

September 17, 2020 · 6 min · 1224 words · Samir Paul

Hopper Company Queries I

September 17, 2020 · 5 min · 999 words · Samir Paul

Sort Array by Increasing Frequency

September 17, 2020 · 3 min · 538 words · Samir Paul

Widest Vertical Area Between Two Points Containing No Points

September 17, 2020 · 7 min · 1402 words · Samir Paul

Count Substrings That Differ by One Character

September 17, 2020 · 7 min · 1362 words · Samir Paul

Number of Ways to Form a Target String Given a Dictionary

September 17, 2020 · 10 min · 2075 words · Samir Paul

Check Array Formation Through Concatenation

September 17, 2020 · 6 min · 1099 words · Samir Paul

Count Sorted Vowel Strings

September 17, 2020 · 4 min · 709 words · Samir Paul

Furthest Building You Can Reach

September 17, 2020 · 4 min · 676 words · Samir Paul

Kth Smallest Instructions

September 17, 2020 · 4 min · 765 words · Samir Paul

Lowest Common Ancestor of a Binary Tree II

September 17, 2020 · 5 min · 853 words · Samir Paul

Hopper Company Queries II

September 17, 2020 · 6 min · 1090 words · Samir Paul

Get Maximum in Generated Array

September 17, 2020 · 3 min · 610 words · Samir Paul

Minimum Deletions to Make Character Frequencies Unique

September 17, 2020 · 5 min · 985 words · Samir Paul

Sell Diminishing-Valued Colored Balls

September 17, 2020 · 5 min · 1045 words · Samir Paul

Create Sorted Array through Instructions

September 17, 2020 · 11 min · 2304 words · Samir Paul

Lowest Common Ancestor of a Binary Tree III

September 17, 2020 · 3 min · 575 words · Samir Paul

Hopper Company Queries III

September 17, 2020 · 5 min · 916 words · Samir Paul

Defuse the Bomb

September 17, 2020 · 6 min · 1252 words · Samir Paul

Minimum Deletions to Make String Balanced

September 17, 2020 · 6 min · 1162 words · Samir Paul

Minimum Jumps to Reach Home

September 17, 2020 · 5 min · 1032 words · Samir Paul

Distribute Repeating Integers

September 17, 2020 · 7 min · 1384 words · Samir Paul

Design an Ordered Stream

September 17, 2020 · 5 min · 916 words · Samir Paul

Determine if Two Strings Are Close

September 16, 2020 · 5 min · 901 words · Samir Paul

Minimum Operations to Reduce X to Zero

September 16, 2020 · 7 min · 1468 words · Samir Paul

Maximize Grid Happiness

September 16, 2020 · 16 min · 3344 words · Samir Paul

Correct a Binary Tree

September 16, 2020 · 4 min · 718 words · Samir Paul

Average Time of Process per Machine

September 16, 2020 · 4 min · 663 words · Samir Paul

Check If Two String Arrays are Equivalent

September 16, 2020 · 5 min · 907 words · Samir Paul

Smallest String With A Given Numeric Value

September 16, 2020 · 3 min · 471 words · Samir Paul

Ways to Make a Fair Array

September 16, 2020 · 5 min · 974 words · Samir Paul

Minimum Initial Energy to Finish Tasks

September 16, 2020 · 4 min · 715 words · Samir Paul

Change the Root of a Binary Tree

September 16, 2020 · 4 min · 838 words · Samir Paul

Fix Names in a Table

September 16, 2020 · 1 min · 194 words · Samir Paul

Maximum Repeating Substring

September 16, 2020 · 3 min · 610 words · Samir Paul

Merge In Between Linked Lists

September 16, 2020 · 5 min · 900 words · Samir Paul

Design Front Middle Back Queue

September 16, 2020 · 14 min · 2813 words · Samir Paul

Minimum Number of Removals to Make Mountain Array

September 16, 2020 · 6 min · 1137 words · Samir Paul

Richest Customer Wealth

September 16, 2020 · 3 min · 621 words · Samir Paul

Find the Most Competitive Subsequence

September 16, 2020 · 3 min · 464 words · Samir Paul

Minimum Moves to Make Array Complementary

September 16, 2020 · 5 min · 1064 words · Samir Paul

Minimize Deviation in Array

September 16, 2020 · 5 min · 897 words · Samir Paul

Lowest Common Ancestor of a Binary Tree IV

September 16, 2020 · 4 min · 732 words · Samir Paul

Product’s Worth Over Invoices

September 16, 2020 · 3 min · 549 words · Samir Paul

Goal Parser Interpretation

September 16, 2020 · 5 min · 861 words · Samir Paul

Max Number of K-Sum Pairs

September 16, 2020 · 6 min · 1201 words · Samir Paul

Concatenation of Consecutive Binary Numbers

September 16, 2020 · 4 min · 799 words · Samir Paul

Minimum Incompatibility

September 15, 2020 · 11 min · 2284 words · Samir Paul

Longest Palindromic Subsequence II

September 15, 2020 · 4 min · 795 words · Samir Paul

Invalid Tweets

September 15, 2020 · 2 min · 286 words · Samir Paul

Count the Number of Consistent Strings

September 15, 2020 · 7 min · 1467 words · Samir Paul

Sum of Absolute Differences in a Sorted Array

September 15, 2020 · 4 min · 819 words · Samir Paul

Stone Game VI

September 15, 2020 · 4 min · 830 words · Samir Paul

Delivering Boxes from Storage to Ports

September 15, 2020 · 11 min · 2249 words · Samir Paul

Count of Matches in Tournament

September 15, 2020 · 3 min · 446 words · Samir Paul

Partitioning Into Minimum Number Of Deci-Binary Numbers

September 15, 2020 · 2 min · 410 words · Samir Paul

Stone Game VII

September 15, 2020 · 5 min · 929 words · Samir Paul

Maximum Height by Stacking Cuboids

September 15, 2020 · 5 min · 984 words · Samir Paul

Count Ways to Distribute Candies

September 15, 2020 · 4 min · 820 words · Samir Paul

Daily Leads and Partners

September 15, 2020 · 2 min · 400 words · Samir Paul

Reformat Phone Number

September 15, 2020 · 5 min · 1024 words · Samir Paul

Maximum Erasure Value

September 15, 2020 · 4 min · 681 words · Samir Paul

Jump Game VI

September 15, 2020 · 4 min · 653 words · Samir Paul

Checking Existence of Edge Length Limited Paths

September 15, 2020 · 6 min · 1227 words · Samir Paul

Number of Distinct Substrings in a String

September 15, 2020 · 6 min · 1109 words · Samir Paul

Number of Calls Between Two Persons

September 15, 2020 · 2 min · 384 words · Samir Paul

Number of Students Unable to Eat Lunch

September 15, 2020 · 5 min · 937 words · Samir Paul

Average Waiting Time

September 15, 2020 · 5 min · 856 words · Samir Paul

Maximum Binary String After Change

September 15, 2020 · 3 min · 559 words · Samir Paul

Minimum Adjacent Swaps for K Consecutive Ones

September 15, 2020 · 5 min · 989 words · Samir Paul

Determine if String Halves Are Alike

September 15, 2020 · 4 min · 840 words · Samir Paul

Maximum Number of Eaten Apples

September 14, 2020 · 5 min · 943 words · Samir Paul

Where Will the Ball Fall

September 14, 2020 · 7 min · 1466 words · Samir Paul

Maximum XOR With an Element From Array

September 14, 2020 · 8 min · 1589 words · Samir Paul

Largest Subarray Length K

September 14, 2020 · 3 min · 515 words · Samir Paul

Biggest Window Between Visits

September 14, 2020 · 2 min · 423 words · Samir Paul

Maximum Units on a Truck

September 14, 2020 · 6 min · 1193 words · Samir Paul

Count Good Meals

September 14, 2020 · 6 min · 1182 words · Samir Paul

Ways to Split Array Into Three Subarrays

September 14, 2020 · 5 min · 1019 words · Samir Paul

Minimum Operations to Make a Subsequence

September 14, 2020 · 6 min · 1186 words · Samir Paul

Sum Of Special Evenly-Spaced Elements In Array

September 14, 2020 · 6 min · 1077 words · Samir Paul

Count Apples and Oranges

September 14, 2020 · 3 min · 553 words · Samir Paul

Calculate Money in Leetcode Bank

September 14, 2020 · 2 min · 402 words · Samir Paul

Maximum Score From Removing Substrings

September 14, 2020 · 4 min · 793 words · Samir Paul

Construct the Lexicographically Largest Valid Sequence

September 14, 2020 · 5 min · 936 words · Samir Paul

Number Of Ways To Reconstruct A Tree

September 14, 2020 · 5 min · 1030 words · Samir Paul

Decode XORed Array

September 14, 2020 · 2 min · 321 words · Samir Paul

Swapping Nodes in a Linked List

September 14, 2020 · 5 min · 913 words · Samir Paul

Minimize Hamming Distance After Swap Operations

September 14, 2020 · 6 min · 1131 words · Samir Paul

Find Minimum Time to Finish All Jobs

September 14, 2020 · 4 min · 684 words · Samir Paul

Checking Existence of Edge Length Limited Paths II

September 14, 2020 · 8 min · 1549 words · Samir Paul

Number Of Rectangles That Can Form The Largest Square

September 14, 2020 · 3 min · 615 words · Samir Paul

Tuple with Same Product

September 14, 2020 · 4 min · 734 words · Samir Paul

Largest Submatrix With Rearrangements

September 14, 2020 · 4 min · 713 words · Samir Paul

Cat and Mouse II

September 14, 2020 · 4 min · 793 words · Samir Paul

Find Followers Count

September 13, 2020 · 2 min · 226 words · Samir Paul

Shortest Path to Get Food

September 13, 2020 · 6 min · 1147 words · Samir Paul

The Number of Employees Which Report to Each Employee

September 13, 2020 · 2 min · 343 words · Samir Paul

Find the Highest Altitude

September 13, 2020 · 4 min · 705 words · Samir Paul

Minimum Number of People to Teach

September 13, 2020 · 4 min · 790 words · Samir Paul

Decode XORed Permutation

September 13, 2020 · 3 min · 612 words · Samir Paul

Count Ways to Make Array With Product

September 13, 2020 · 8 min · 1519 words · Samir Paul

Latest Time by Replacing Hidden Digits

September 13, 2020 · 4 min · 679 words · Samir Paul

Change Minimum Characters to Satisfy One of Three Conditions

September 13, 2020 · 6 min · 1167 words · Samir Paul

Find Kth Largest XOR Coordinate Value

September 13, 2020 · 4 min · 833 words · Samir Paul

Building Boxes

September 13, 2020 · 4 min · 702 words · Samir Paul

Find Distance in a Binary Tree

September 13, 2020 · 5 min · 971 words · Samir Paul

Find Total Time Spent by Each Employee

September 13, 2020 · 3 min · 434 words · Samir Paul

Maximum Number of Balls in a Box

September 13, 2020 · 4 min · 715 words · Samir Paul

Restore the Array From Adjacent Pairs

September 13, 2020 · 6 min · 1226 words · Samir Paul

Can You Eat Your Favorite Candy on Your Favorite Day

September 13, 2020 · 4 min · 680 words · Samir Paul

Palindrome Partitioning IV

September 13, 2020 · 3 min · 591 words · Samir Paul

Maximum Subarray Sum After One Operation

September 13, 2020 · 3 min · 573 words · Samir Paul

Leetflex Banned Accounts

September 13, 2020 · 3 min · 448 words · Samir Paul

Sum of Unique Elements

September 13, 2020 · 4 min · 836 words · Samir Paul

Maximum Absolute Sum of Any Subarray

September 13, 2020 · 3 min · 617 words · Samir Paul

Minimum Length of String After Deleting Similar Ends

September 13, 2020 · 5 min · 955 words · Samir Paul

Maximum Number of Events That Can Be Attended II

September 13, 2020 · 7 min · 1412 words · Samir Paul

Check if Array Is Sorted and Rotated

September 13, 2020 · 3 min · 491 words · Samir Paul

Maximum Score From Removing Stones

September 12, 2020 · 4 min · 785 words · Samir Paul

Largest Merge Of Two Strings

September 12, 2020 · 5 min · 929 words · Samir Paul

Closest Subsequence Sum

September 12, 2020 · 8 min · 1620 words · Samir Paul

Design Most Recently Used Queue

September 12, 2020 · 7 min · 1453 words · Samir Paul

Recyclable and Low Fat Products

September 12, 2020 · 2 min · 268 words · Samir Paul

Minimum Changes To Make Alternating Binary String

September 12, 2020 · 3 min · 501 words · Samir Paul

Count Number of Homogenous Substrings

September 12, 2020 · 6 min · 1093 words · Samir Paul

Minimum Limit of Balls in a Bag

September 12, 2020 · 4 min · 792 words · Samir Paul

Minimum Degree of a Connected Trio in a Graph

September 12, 2020 · 5 min · 901 words · Samir Paul

Buildings With an Ocean View

September 12, 2020 · 3 min · 521 words · Samir Paul

Longest Nice Substring

September 12, 2020 · 6 min · 1226 words · Samir Paul

Form Array by Concatenating Subarrays of Another Array

September 12, 2020 · 4 min · 709 words · Samir Paul

Map of Highest Peak

September 12, 2020 · 10 min · 1994 words · Samir Paul

Tree of Coprimes

September 12, 2020 · 6 min · 1135 words · Samir Paul

Find the Subtasks That Did Not Execute

September 12, 2020 · 3 min · 431 words · Samir Paul

Merge Strings Alternately

September 12, 2020 · 4 min · 702 words · Samir Paul

Minimum Number of Operations to Move All Balls to Each Box

September 12, 2020 · 9 min · 1839 words · Samir Paul

Maximum Score from Performing Multiplication Operations

September 12, 2020 · 8 min · 1515 words · Samir Paul

Maximize Palindrome Length From Subsequences

September 12, 2020 · 6 min · 1176 words · Samir Paul

Sort Features by Popularity

September 12, 2020 · 4 min · 845 words · Samir Paul

Count Items Matching a Rule

September 12, 2020 · 3 min · 561 words · Samir Paul

Closest Dessert Cost

September 12, 2020 · 7 min · 1285 words · Samir Paul

Equal Sum Arrays With Minimum Number of Operations

September 12, 2020 · 6 min · 1263 words · Samir Paul

Car Fleet II

September 12, 2020 · 4 min · 651 words · Samir Paul

Product’s Price for Each Store

September 11, 2020 · 2 min · 259 words · Samir Paul

Shortest Path in a Hidden Grid

September 11, 2020 · 7 min · 1478 words · Samir Paul

Find Nearest Point That Has the Same X or Y Coordinate

September 11, 2020 · 5 min · 855 words · Samir Paul

Check if Number is a Sum of Powers of Three

September 11, 2020 · 2 min · 289 words · Samir Paul

Sum of Beauty of All Substrings

September 11, 2020 · 6 min · 1219 words · Samir Paul

Count Pairs Of Nodes

September 11, 2020 · 6 min · 1213 words · Samir Paul

Grand Slam Titles

September 11, 2020 · 3 min · 572 words · Samir Paul

Check if Binary String Has at Most One Segment of Ones

September 11, 2020 · 2 min · 363 words · Samir Paul

Minimum Elements to Add to Form a Given Sum

September 11, 2020 · 4 min · 642 words · Samir Paul

Number of Restricted Paths From First to Last Node

September 11, 2020 · 8 min · 1680 words · Samir Paul

Make the XOR of All Segments Equal to Zero

September 11, 2020 · 4 min · 726 words · Samir Paul

Maximize the Beauty of the Garden

September 11, 2020 · 5 min · 920 words · Samir Paul

Primary Department for Each Employee

September 11, 2020 · 2 min · 383 words · Samir Paul

Check if One String Swap Can Make Strings Equal

September 11, 2020 · 5 min · 953 words · Samir Paul

Find Center of Star Graph

September 11, 2020 · 3 min · 480 words · Samir Paul

Maximum Average Pass Ratio

September 11, 2020 · 5 min · 980 words · Samir Paul

Maximum Score of a Good Subarray

September 11, 2020 · 6 min · 1085 words · Samir Paul

Count Pairs of Equal Substrings With Minimum Difference

September 11, 2020 · 5 min · 862 words · Samir Paul

Rearrange Products Table

September 11, 2020 · 2 min · 344 words · Samir Paul

Second Largest Digit in a String

September 11, 2020 · 6 min · 1182 words · Samir Paul

Design Authentication Manager

September 11, 2020 · 7 min · 1409 words · Samir Paul

Maximum Number of Consecutive Values You Can Make

September 11, 2020 · 3 min · 533 words · Samir Paul

Maximize Score After N Operations

September 11, 2020 · 7 min · 1297 words · Samir Paul

Maximum Ascending Subarray Sum

September 11, 2020 · 4 min · 758 words · Samir Paul

Number of Orders in the Backlog

September 10, 2020 · 9 min · 1717 words · Samir Paul

Maximum Value at a Given Index in a Bounded Array

September 10, 2020 · 5 min · 894 words · Samir Paul

Count Pairs With XOR in a Range

September 10, 2020 · 8 min · 1571 words · Samir Paul

Implement Trie II (Prefix Tree)

September 10, 2020 · 8 min · 1590 words · Samir Paul

Number of Different Integers in a String

September 10, 2020 · 4 min · 760 words · Samir Paul

Minimum Number of Operations to Reinitialize a Permutation

September 10, 2020 · 3 min · 639 words · Samir Paul

Evaluate the Bracket Pairs of a String

September 10, 2020 · 6 min · 1088 words · Samir Paul

Maximize Number of Nice Divisors

September 10, 2020 · 6 min · 1123 words · Samir Paul

Ad-Free Sessions

September 10, 2020 · 2 min · 424 words · Samir Paul

Minimum Path Cost in a Hidden Grid

September 10, 2020 · 7 min · 1323 words · Samir Paul

Find Interview Candidates

September 10, 2020 · 4 min · 696 words · Samir Paul

Determine Color of a Chessboard Square

September 10, 2020 · 2 min · 407 words · Samir Paul

Sentence Similarity III

September 10, 2020 · 5 min · 895 words · Samir Paul

Count Nice Pairs in an Array

September 10, 2020 · 8 min · 1555 words · Samir Paul

Maximum Number of Groups Getting Fresh Donuts

September 10, 2020 · 7 min · 1327 words · Samir Paul

Truncate Sentence

September 10, 2020 · 3 min · 634 words · Samir Paul

Finding the Users Active Minutes

September 10, 2020 · 4 min · 711 words · Samir Paul

Minimum Absolute Sum Difference

September 10, 2020 · 7 min · 1458 words · Samir Paul

Number of Different Subsequences GCDs

September 10, 2020 · 4 min · 729 words · Samir Paul

Maximum Number of Accepted Invitations

September 10, 2020 · 4 min · 731 words · Samir Paul

Find Customers With Positive Revenue this Year

September 10, 2020 · 2 min · 287 words · Samir Paul

Sign of the Product of an Array

September 10, 2020 · 3 min · 606 words · Samir Paul

Find the Winner of the Circular Game

September 10, 2020 · 4 min · 676 words · Samir Paul

Minimum Sideway Jumps

September 10, 2020 · 5 min · 1044 words · Samir Paul

Finding MK Average

September 9, 2020 · 11 min · 2253 words · Samir Paul

Faulty Sensor

September 9, 2020 · 4 min · 796 words · Samir Paul

Minimum Operations to Make the Array Increasing

September 9, 2020 · 4 min · 682 words · Samir Paul

Queries on Number of Points Inside a Circle

September 9, 2020 · 5 min · 882 words · Samir Paul

Maximum XOR for Each Query

September 9, 2020 · 10 min · 1930 words · Samir Paul

Minimum Number of Operations to Make String Sorted

September 9, 2020 · 7 min · 1446 words · Samir Paul

Maximum Transaction Each Day

September 9, 2020 · 2 min · 382 words · Samir Paul

Check if the Sentence Is Pangram

September 9, 2020 · 4 min · 851 words · Samir Paul

Maximum Ice Cream Bars

September 9, 2020 · 3 min · 636 words · Samir Paul

Single-Threaded CPU

September 9, 2020 · 6 min · 1227 words · Samir Paul

Find XOR Sum of All Pairs Bitwise AND

September 9, 2020 · 3 min · 599 words · Samir Paul

Remove Duplicates From an Unsorted Linked List

September 9, 2020 · 4 min · 829 words · Samir Paul

Sum of Digits in Base K

September 9, 2020 · 3 min · 485 words · Samir Paul

Frequency of the Most Frequent Element

September 9, 2020 · 8 min · 1655 words · Samir Paul

Longest Substring Of All Vowels in Order

September 9, 2020 · 5 min · 920 words · Samir Paul

Maximum Building Height

September 9, 2020 · 5 min · 863 words · Samir Paul

League Statistics

September 9, 2020 · 4 min · 686 words · Samir Paul

Next Palindrome Using Same Digits

September 9, 2020 · 5 min · 871 words · Samir Paul

Suspicious Bank Accounts

September 9, 2020 · 4 min · 701 words · Samir Paul

Replace All Digits with Characters

September 9, 2020 · 3 min · 570 words · Samir Paul

Seat Reservation Manager

September 9, 2020 · 5 min · 895 words · Samir Paul

Maximum Element After Decreasing and Rearranging

September 9, 2020 · 4 min · 695 words · Samir Paul

Closest Room

September 9, 2020 · 7 min · 1290 words · Samir Paul

Minimum Distance to the Target Element

September 9, 2020 · 3 min · 545 words · Samir Paul

Splitting a String Into Descending Consecutive Values

September 8, 2020 · 4 min · 721 words · Samir Paul

Minimum Adjacent Swaps to Reach the Kth Smallest Number

September 8, 2020 · 8 min · 1611 words · Samir Paul

Minimum Interval to Include Each Query

September 8, 2020 · 6 min · 1242 words · Samir Paul

Distinct Numbers in Each Subarray

September 8, 2020 · 6 min · 1226 words · Samir Paul

Convert Date Format

September 8, 2020 · 1 min · 141 words · Samir Paul

Maximum Population Year

September 8, 2020 · 4 min · 845 words · Samir Paul

Maximum Distance Between a Pair of Values

September 8, 2020 · 7 min · 1445 words · Samir Paul

Maximum Subarray Min-Product

September 8, 2020 · 7 min · 1289 words · Samir Paul

Largest Color Value in a Directed Graph

September 8, 2020 · 5 min · 974 words · Samir Paul

Longest Word With All Prefixes

September 8, 2020 · 8 min · 1679 words · Samir Paul

Sorting the Sentence

September 8, 2020 · 4 min · 684 words · Samir Paul

Incremental Memory Leak

September 8, 2020 · 4 min · 784 words · Samir Paul

Rotating the Box

September 8, 2020 · 4 min · 771 words · Samir Paul

Sum of Floored Pairs

September 8, 2020 · 6 min · 1175 words · Samir Paul

Sum of All Subset XOR Totals

September 8, 2020 · 7 min · 1414 words · Samir Paul

Minimum Number of Swaps to Make the Binary String Alternating

September 8, 2020 · 3 min · 543 words · Samir Paul

Finding Pairs With a Certain Sum

September 8, 2020 · 5 min · 854 words · Samir Paul

Number of Ways to Rearrange Sticks With K Sticks Visible

September 8, 2020 · 6 min · 1221 words · Samir Paul

Orders With Maximum Quantity Above Average

September 8, 2020 · 3 min · 459 words · Samir Paul

Product of Two Run-Length Encoded Arrays

September 8, 2020 · 4 min · 738 words · Samir Paul

Longer Contiguous Segments of Ones than Zeros

September 8, 2020 · 4 min · 696 words · Samir Paul

Minimum Speed to Arrive on Time

September 8, 2020 · 6 min · 1131 words · Samir Paul

Jump Game VII

September 8, 2020 · 5 min · 951 words · Samir Paul

Stone Game VIII

September 8, 2020 · 8 min · 1542 words · Samir Paul

Calculate Special Bonus

September 7, 2020 · 2 min · 323 words · Samir Paul

Minimize Product Sum of Two Arrays

September 7, 2020 · 2 min · 379 words · Samir Paul

Group Employees of the Same Salary

September 7, 2020 · 3 min · 513 words · Samir Paul

Substrings of Size Three with Distinct Characters

September 7, 2020 · 2 min · 419 words · Samir Paul

Minimize Maximum Pair Sum in Array

September 7, 2020 · 3 min · 491 words · Samir Paul

Get Biggest Three Rhombus Sums in a Grid

September 7, 2020 · 21 min · 4353 words · Samir Paul

Minimum XOR Sum of Two Arrays

September 7, 2020 · 9 min · 1758 words · Samir Paul

Check if Word Equals Summation of Two Words

September 7, 2020 · 4 min · 805 words · Samir Paul

Maximum Value after Insertion

September 7, 2020 · 3 min · 604 words · Samir Paul

Process Tasks Using Servers

September 7, 2020 · 4 min · 817 words · Samir Paul

Minimum Skips to Arrive at Meeting On Time

September 7, 2020 · 7 min · 1290 words · Samir Paul

Egg Drop With 2 Eggs and N Floors

September 7, 2020 · 2 min · 371 words · Samir Paul

Count Pairs in Two Arrays

September 7, 2020 · 3 min · 532 words · Samir Paul

Determine Whether Matrix Can Be Obtained By Rotation

September 7, 2020 · 6 min · 1182 words · Samir Paul

Reduction Operations to Make the Array Elements Equal

September 7, 2020 · 4 min · 767 words · Samir Paul

Minimum Number of Flips to Make the Binary String Alternating

September 7, 2020 · 4 min · 702 words · Samir Paul

Minimum Space Wasted From Packaging

September 7, 2020 · 6 min · 1186 words · Samir Paul

The Latest Login in 2020

September 7, 2020 · 2 min · 349 words · Samir Paul

Cutting Ribbons

September 7, 2020 · 6 min · 1143 words · Samir Paul

Page Recommendations II

September 7, 2020 · 4 min · 647 words · Samir Paul

Check if All the Integers in a Range Are Covered

September 7, 2020 · 4 min · 689 words · Samir Paul

Find the Student that Will Replace the Chalk

September 7, 2020 · 5 min · 917 words · Samir Paul

Largest Magic Square

September 7, 2020 · 9 min · 1860 words · Samir Paul

Minimum Cost to Change the Final Value of Expression

September 7, 2020 · 2 min · 271 words · Samir Paul

Redistribute Characters to Make All Strings Equal

September 6, 2020 · 3 min · 480 words · Samir Paul

Maximum Number of Removable Characters

September 6, 2020 · 6 min · 1168 words · Samir Paul

Merge Triplets to Form Target Triplet

September 6, 2020 · 4 min · 773 words · Samir Paul

The Earliest and Latest Rounds Where Players Compete

September 6, 2020 · 3 min · 592 words · Samir Paul

Find a Peak Element II

September 6, 2020 · 6 min · 1207 words · Samir Paul

Depth of BST Given Insertion Order

September 6, 2020 · 2 min · 399 words · Samir Paul

Largest Odd Number in String

September 6, 2020 · 3 min · 490 words · Samir Paul

The Number of Full Rounds You Have Played

September 6, 2020 · 4 min · 712 words · Samir Paul

Count Sub Islands

September 6, 2020 · 6 min · 1201 words · Samir Paul

Minimum Absolute Difference Queries

September 6, 2020 · 6 min · 1172 words · Samir Paul

Count Salary Categories

September 6, 2020 · 3 min · 453 words · Samir Paul

Game of Nim

September 6, 2020 · 6 min · 1091 words · Samir Paul

Remove One Element to Make the Array Strictly Increasing

September 6, 2020 · 4 min · 772 words · Samir Paul

Remove All Occurrences of a Substring

September 6, 2020 · 2 min · 386 words · Samir Paul

Maximum Alternating Subsequence Sum

September 6, 2020 · 4 min · 787 words · Samir Paul

Design Movie Rental System

September 6, 2020 · 5 min · 853 words · Samir Paul

Maximum Product Difference Between Two Pairs

September 6, 2020 · 2 min · 364 words · Samir Paul

Cyclically Rotating a Grid

September 6, 2020 · 7 min · 1456 words · Samir Paul

Number of Wonderful Substrings

September 6, 2020 · 4 min · 670 words · Samir Paul

Count Ways to Build Rooms in an Ant Colony

September 6, 2020 · 2 min · 287 words · Samir Paul

Leetcodify Friends Recommendations

September 6, 2020 · 3 min · 611 words · Samir Paul

Kth Smallest Subarray Sum

September 6, 2020 · 4 min · 755 words · Samir Paul

Leetcodify Similar Friends

September 6, 2020 · 3 min · 506 words · Samir Paul

Build Array from Permutation

September 6, 2020 · 3 min · 432 words · Samir Paul

Eliminate Maximum Number of Monsters

September 5, 2020 · 5 min · 867 words · Samir Paul

Count Good Numbers

September 5, 2020 · 3 min · 524 words · Samir Paul

Longest Common Subpath

September 5, 2020 · 4 min · 766 words · Samir Paul

Erect the Fence II

September 5, 2020 · 1 min · 195 words · Samir Paul

Count Square Sum Triples

September 5, 2020 · 2 min · 380 words · Samir Paul

Nearest Exit from Entrance in Maze

September 5, 2020 · 5 min · 954 words · Samir Paul

Sum Game

September 5, 2020 · 5 min · 900 words · Samir Paul

Minimum Cost to Reach Destination in Time

September 5, 2020 · 2 min · 379 words · Samir Paul

Concatenation of Array

September 5, 2020 · 2 min · 381 words · Samir Paul

Unique Length-3 Palindromic Subsequences

September 5, 2020 · 3 min · 515 words · Samir Paul

Painting a Grid With Three Different Colors

September 5, 2020 · 8 min · 1619 words · Samir Paul

Merge BSTs to Create Single BST

September 5, 2020 · 2 min · 366 words · Samir Paul

Check if String Is Decomposable Into Value-Equal Substrings

September 5, 2020 · 4 min · 832 words · Samir Paul

Confirmation Rate

September 5, 2020 · 3 min · 487 words · Samir Paul

Maximum Number of Words You Can Type

September 5, 2020 · 4 min · 777 words · Samir Paul

Add Minimum Number of Rungs

September 5, 2020 · 4 min · 657 words · Samir Paul

Maximum Number of Points with Cost

September 5, 2020 · 5 min · 872 words · Samir Paul

Maximum Genetic Difference Query

September 5, 2020 · 2 min · 357 words · Samir Paul

Users That Actively Request Confirmation Messages

September 5, 2020 · 3 min · 451 words · Samir Paul

Longest Common Subsequence Between Sorted Arrays

September 5, 2020 · 3 min · 581 words · Samir Paul

Check if All Characters Have Equal Number of Occurrences

September 5, 2020 · 3 min · 562 words · Samir Paul

The Number of the Smallest Unoccupied Chair

September 5, 2020 · 4 min · 688 words · Samir Paul

Describe the Painting

September 5, 2020 · 4 min · 788 words · Samir Paul

Number of Visible People in a Queue

September 5, 2020 · 4 min · 723 words · Samir Paul

Sum of Digits of String After Convert

September 4, 2020 · 4 min · 802 words · Samir Paul

Largest Number After Mutating Substring

September 4, 2020 · 3 min · 519 words · Samir Paul

Maximum Compatibility Score Sum

September 4, 2020 · 5 min · 913 words · Samir Paul

Delete Duplicate Folders in System

September 4, 2020 · 3 min · 428 words · Samir Paul

Strong Friendship

September 4, 2020 · 2 min · 358 words · Samir Paul

Maximum of Minimum Values in All Subarrays

September 4, 2020 · 5 min · 1041 words · Samir Paul

All the Pairs With the Maximum Number of Common Followers

September 4, 2020 · 2 min · 397 words · Samir Paul

Three Divisors

September 4, 2020 · 3 min · 623 words · Samir Paul

Maximum Number of Weeks for Which You Can Work

September 4, 2020 · 3 min · 633 words · Samir Paul

Minimum Garden Perimeter to Collect Enough Apples

September 4, 2020 · 4 min · 761 words · Samir Paul

Count Number of Special Subsequences

September 4, 2020 · 8 min · 1501 words · Samir Paul

Minimum Time For K Virus Variants to Spread

September 4, 2020 · 2 min · 269 words · Samir Paul

Delete Characters to Make Fancy String

September 4, 2020 · 3 min · 451 words · Samir Paul

Check if Move is Legal

September 4, 2020 · 5 min · 857 words · Samir Paul

Minimum Total Space Wasted With K Resizing Operations

September 4, 2020 · 5 min · 951 words · Samir Paul

Maximum Product of the Length of Two Palindromic Substrings

September 4, 2020 · 1 min · 190 words · Samir Paul

Check If String Is a Prefix of Array

September 4, 2020 · 3 min · 557 words · Samir Paul

Remove Stones to Minimize the Total

September 4, 2020 · 4 min · 759 words · Samir Paul

Minimum Number of Swaps to Make the String Balanced

September 4, 2020 · 4 min · 642 words · Samir Paul

Find the Longest Valid Obstacle Course at Each Position

September 4, 2020 · 7 min · 1308 words · Samir Paul

Employees With Missing Information

September 4, 2020 · 2 min · 346 words · Samir Paul

Binary Searchable Numbers in an Unsorted Array

September 4, 2020 · 5 min · 856 words · Samir Paul

Number of Strings That Appear as Substrings in Word

September 4, 2020 · 2 min · 385 words · Samir Paul

Array With Elements Not Equal to Average of Neighbors

September 4, 2020 · 3 min · 544 words · Samir Paul

Minimum Non-Zero Product of the Array Elements

September 3, 2020 · 4 min · 809 words · Samir Paul

Last Day Where You Can Still Cross

September 3, 2020 · 7 min · 1289 words · Samir Paul

Find if Path Exists in Graph

September 3, 2020 · 6 min · 1082 words · Samir Paul

First and Last Call On the Same Day

September 3, 2020 · 2 min · 405 words · Samir Paul

Count Nodes Equal to Sum of Descendants

September 3, 2020 · 4 min · 658 words · Samir Paul

Minimum Time to Type Word Using Special Typewriter

September 3, 2020 · 3 min · 607 words · Samir Paul

Maximum Matrix Sum

September 3, 2020 · 3 min · 609 words · Samir Paul

Number of Ways to Arrive at Destination

September 3, 2020 · 6 min · 1144 words · Samir Paul

Number of Ways to Separate Numbers

September 3, 2020 · 5 min · 997 words · Samir Paul

Employees Whose Manager Left the Company

September 3, 2020 · 3 min · 433 words · Samir Paul

Find Greatest Common Divisor of Array

September 3, 2020 · 2 min · 394 words · Samir Paul

Find Unique Binary String

September 3, 2020 · 3 min · 497 words · Samir Paul

Minimize the Difference Between Target and Chosen Elements

September 3, 2020 · 4 min · 740 words · Samir Paul

Find Array Given Subset Sums

September 3, 2020 · 9 min · 1729 words · Samir Paul

Widest Pair of Indices With Equal Range Sum

September 3, 2020 · 3 min · 551 words · Samir Paul

Minimum Difference Between Highest and Lowest of K Scores

September 3, 2020 · 3 min · 627 words · Samir Paul

Find the Kth Largest Integer in the Array

September 3, 2020 · 2 min · 377 words · Samir Paul

Minimum Number of Work Sessions to Finish the Tasks

September 3, 2020 · 5 min · 989 words · Samir Paul

Number of Unique Good Subsequences

September 3, 2020 · 4 min · 667 words · Samir Paul

Find Cutoff Score for Each School

September 3, 2020 · 3 min · 569 words · Samir Paul

Maximum Number of People That Can Be Caught in Tag

September 3, 2020 · 4 min · 653 words · Samir Paul

Count the Number of Experiments

September 3, 2020 · 2 min · 417 words · Samir Paul

Find the Middle Index in Array

September 3, 2020 · 3 min · 556 words · Samir Paul

Find All Groups of Farmland

September 3, 2020 · 4 min · 811 words · Samir Paul

Operations on Tree

September 2, 2020 · 9 min · 1819 words · Samir Paul

The Number of Good Subsets

September 2, 2020 · 6 min · 1154 words · Samir Paul

Count Special Quadruplets

September 2, 2020 · 6 min · 1179 words · Samir Paul

The Number of Weak Characters in the Game

September 2, 2020 · 3 min · 605 words · Samir Paul

First Day Where You Have Been in All the Rooms

September 2, 2020 · 4 min · 643 words · Samir Paul

GCD Sort of an Array

September 2, 2020 · 5 min · 892 words · Samir Paul

Smallest Greater Multiple Made of Two Digits

September 2, 2020 · 3 min · 606 words · Samir Paul

Reverse Prefix of Word

September 2, 2020 · 4 min · 690 words · Samir Paul

Number of Pairs of Interchangeable Rectangles

September 2, 2020 · 4 min · 765 words · Samir Paul

Maximum Product of the Length of Two Palindromic Subsequences

September 2, 2020 · 6 min · 1182 words · Samir Paul

Smallest Missing Genetic Value in Each Subtree

September 2, 2020 · 9 min · 1723 words · Samir Paul

The Number of Seniors and Juniors to Join the Company

September 2, 2020 · 3 min · 541 words · Samir Paul

Subtree Removal Game with Fibonacci Tree

September 2, 2020 · 2 min · 284 words · Samir Paul

Count Number of Pairs With Absolute Difference K

September 2, 2020 · 5 min · 1029 words · Samir Paul

Find Original Array From Doubled Array

September 2, 2020 · 5 min · 913 words · Samir Paul

Maximum Earnings From Taxi

September 2, 2020 · 10 min · 1921 words · Samir Paul

Minimum Number of Operations to Make Array Continuous

September 2, 2020 · 6 min · 1213 words · Samir Paul

The Number of Seniors and Juniors to Join the Company II

September 2, 2020 · 3 min · 552 words · Samir Paul

Final Value of Variable After Performing Operations

September 2, 2020 · 4 min · 678 words · Samir Paul

Sum of Beauty in the Array

September 2, 2020 · 5 min · 888 words · Samir Paul

Detect Squares

September 2, 2020 · 6 min · 1088 words · Samir Paul

Longest Subsequence Repeated k Times

September 2, 2020 · 2 min · 250 words · Samir Paul

Average Height of Buildings in Each Segment

September 2, 2020 · 7 min · 1295 words · Samir Paul

Maximum Difference Between Increasing Elements

September 2, 2020 · 4 min · 701 words · Samir Paul

Grid Game

September 1, 2020 · 5 min · 904 words · Samir Paul

Check if Word Can Be Placed In Crossword

September 1, 2020 · 9 min · 1760 words · Samir Paul

The Score of Students Solving Math Expression

September 1, 2020 · 11 min · 2216 words · Samir Paul

Number of Accounts That Did Not Stream

September 1, 2020 · 2 min · 350 words · Samir Paul

Brightest Position on Street

September 1, 2020 · 5 min · 1015 words · Samir Paul

Convert 1D Array Into 2D Array

September 1, 2020 · 4 min · 763 words · Samir Paul

Number of Pairs of Strings With Concatenation Equal to Target

September 1, 2020 · 5 min · 902 words · Samir Paul

Maximize the Confusion of an Exam

September 1, 2020 · 4 min · 772 words · Samir Paul

Maximum Number of Ways to Partition an Array

September 1, 2020 · 6 min · 1109 words · Samir Paul

Low-Quality Problems

September 1, 2020 · 2 min · 315 words · Samir Paul

Minimum Moves to Convert String

September 1, 2020 · 3 min · 595 words · Samir Paul

Find Missing Observations

September 1, 2020 · 6 min · 1095 words · Samir Paul

Stone Game IX

September 1, 2020 · 4 min · 765 words · Samir Paul

Smallest K-Length Subsequence With Occurrences of a Letter

September 1, 2020 · 2 min · 292 words · Samir Paul

Count Subarrays With More Ones Than Zeros

September 1, 2020 · 7 min · 1351 words · Samir Paul

Two Out of Three

September 1, 2020 · 4 min · 738 words · Samir Paul

Minimum Operations to Make a Uni-Value Grid

September 1, 2020 · 4 min · 740 words · Samir Paul

Stock Price Fluctuation

September 1, 2020 · 6 min · 1170 words · Samir Paul

Partition Array Into Two Arrays to Minimize Sum Difference

September 1, 2020 · 6 min · 1132 words · Samir Paul

Maximum Alternating Subarray Sum

September 1, 2020 · 3 min · 596 words · Samir Paul

Minimum Number of Moves to Seat Everyone

September 1, 2020 · 4 min · 840 words · Samir Paul

Remove Colored Pieces if Both Neighbors are the Same Color

September 1, 2020 · 5 min · 882 words · Samir Paul

The Time When the Network Becomes Idle

September 1, 2020 · 7 min · 1470 words · Samir Paul

Kth Smallest Product of Two Sorted Arrays

September 1, 2020 · 2 min · 264 words · Samir Paul

August ⁷⁴⁴

Accepted Candidates From the Interviews

August 31, 2020 · 3 min · 499 words · Samir Paul

Check if Numbers Are Ascending in a Sentence

August 31, 2020 · 5 min · 931 words · Samir Paul

Simple Bank System

August 31, 2020 · 9 min · 1722 words · Samir Paul

Count Number of Maximum Bitwise-OR Subsets

August 31, 2020 · 8 min · 1600 words · Samir Paul

Second Minimum Time to Reach Destination

August 31, 2020 · 5 min · 874 words · Samir Paul

Sort Linked List Already Sorted Using Absolute Values

August 31, 2020 · 3 min · 599 words · Samir Paul

Number of Valid Words in a Sentence

August 31, 2020 · 4 min · 688 words · Samir Paul

Next Greater Numerically Balanced Number

August 31, 2020 · 4 min · 687 words · Samir Paul

Count Nodes With the Highest Score

August 31, 2020 · 7 min · 1466 words · Samir Paul

Parallel Courses III

August 31, 2020 · 6 min · 1137 words · Samir Paul

The Category of Each Member in the Store

August 31, 2020 · 4 min · 708 words · Samir Paul

Minimum Cost to Separate Sentence Into Rows

August 31, 2020 · 6 min · 1094 words · Samir Paul

Kth Distinct String in an Array

August 31, 2020 · 3 min · 436 words · Samir Paul

Two Best Non-Overlapping Events

August 31, 2020 · 4 min · 689 words · Samir Paul

Plates Between Candles

August 31, 2020 · 5 min · 915 words · Samir Paul

Number of Valid Move Combinations On Chessboard

August 31, 2020 · 2 min · 421 words · Samir Paul

Smallest Index With Equal Value

August 31, 2020 · 2 min · 366 words · Samir Paul

Find the Minimum and Maximum Number of Nodes Between Critical Points

August 31, 2020 · 6 min · 1184 words · Samir Paul

Minimum Operations to Convert Number

August 31, 2020 · 12 min · 2423 words · Samir Paul

Check if an Original String Exists Given Two Encoded Strings

August 31, 2020 · 4 min · 663 words · Samir Paul

Number of Spaces Cleaning Robot Cleaned

August 31, 2020 · 7 min · 1396 words · Samir Paul

Count Vowel Substrings of a String

August 31, 2020 · 4 min · 652 words · Samir Paul

Vowels of All Substrings

August 31, 2020 · 3 min · 528 words · Samir Paul

Minimized Maximum of Products Distributed to Any Store

August 31, 2020 · 4 min · 736 words · Samir Paul

Maximum Path Quality of a Graph

August 30, 2020 · 3 min · 584 words · Samir Paul

Account Balance

August 30, 2020 · 2 min · 374 words · Samir Paul

Number of Equal Count Substrings

August 30, 2020 · 5 min · 988 words · Samir Paul

Check Whether Two Strings are Almost Equivalent

August 30, 2020 · 5 min · 976 words · Samir Paul

Walking Robot Simulation II

August 30, 2020 · 2 min · 413 words · Samir Paul

Most Beautiful Item for Each Query

August 30, 2020 · 4 min · 729 words · Samir Paul

Maximum Number of Tasks You Can Assign

August 30, 2020 · 6 min · 1101 words · Samir Paul

The Winner University

August 30, 2020 · 3 min · 479 words · Samir Paul

Time Needed to Buy Tickets

August 30, 2020 · 3 min · 638 words · Samir Paul

Reverse Nodes in Even Length Groups

August 30, 2020 · 5 min · 986 words · Samir Paul

Decode the Slanted Ciphertext

August 30, 2020 · 4 min · 683 words · Samir Paul

Process Restricted Friend Requests

August 30, 2020 · 5 min · 1030 words · Samir Paul

Paths in Maze That Lead to Same Room

August 30, 2020 · 4 min · 757 words · Samir Paul

Two Furthest Houses With Different Colors

August 30, 2020 · 4 min · 785 words · Samir Paul

Watering Plants

August 30, 2020 · 5 min · 969 words · Samir Paul

Range Frequency Queries

August 30, 2020 · 4 min · 688 words · Samir Paul

Sum of k-Mirror Numbers

August 30, 2020 · 3 min · 444 words · Samir Paul

The Number of Rich Customers

August 30, 2020 · 2 min · 219 words · Samir Paul

Substrings That Begin and End With the Same Letter

August 30, 2020 · 2 min · 389 words · Samir Paul

Drop Type 1 Orders for Customers With Type 0 Orders

August 30, 2020 · 3 min · 437 words · Samir Paul

Count Common Words With One Occurrence

August 30, 2020 · 4 min · 657 words · Samir Paul

Minimum Number of Food Buckets to Feed the Hamsters

August 30, 2020 · 3 min · 583 words · Samir Paul

Minimum Cost Homecoming of a Robot in a Grid

August 30, 2020 · 4 min · 815 words · Samir Paul

Count Fertile Pyramids in a Land

August 30, 2020 · 6 min · 1246 words · Samir Paul

Find Target Indices After Sorting Array

August 29, 2020 · 2 min · 383 words · Samir Paul

K Radius Subarray Averages

August 29, 2020 · 6 min · 1232 words · Samir Paul

Removing Minimum and Maximum From Array

August 29, 2020 · 4 min · 710 words · Samir Paul

Find All People With Secret

August 29, 2020 · 7 min · 1445 words · Samir Paul

Minimum Cost to Reach City With Discounts

August 29, 2020 · 4 min · 823 words · Samir Paul

Finding 3-Digit Even Numbers

August 29, 2020 · 4 min · 810 words · Samir Paul

Delete the Middle Node of a Linked List

August 29, 2020 · 4 min · 721 words · Samir Paul

Step-By-Step Directions From a Binary Tree Node to Another

August 29, 2020 · 5 min · 900 words · Samir Paul

Valid Arrangement of Pairs

August 29, 2020 · 1 min · 212 words · Samir Paul

Subsequence of Size K With the Largest Even Sum

August 29, 2020 · 4 min · 831 words · Samir Paul

Find Subsequence of Length K With the Largest Sum

August 29, 2020 · 3 min · 447 words · Samir Paul

Find Good Days to Rob the Bank

August 29, 2020 · 6 min · 1147 words · Samir Paul

Detonate the Maximum Bombs

August 29, 2020 · 5 min · 1034 words · Samir Paul

Sequentially Ordinal Rank Tracker

August 29, 2020 · 3 min · 556 words · Samir Paul

Rings and Rods

August 29, 2020 · 6 min · 1140 words · Samir Paul

Sum of Subarray Ranges

August 29, 2020 · 7 min · 1432 words · Samir Paul

Watering Plants II

August 29, 2020 · 5 min · 1006 words · Samir Paul

Maximum Fruits Harvested After at Most K Steps

August 29, 2020 · 4 min · 797 words · Samir Paul

Number of Unique Flavors After Sharing K Candies

August 29, 2020 · 5 min · 910 words · Samir Paul

Find First Palindromic String in the Array

August 29, 2020 · 3 min · 601 words · Samir Paul

Adding Spaces to a String

August 29, 2020 · 3 min · 590 words · Samir Paul

Number of Smooth Descent Periods of a Stock

August 29, 2020 · 3 min · 594 words · Samir Paul

Minimum Operations to Make the Array K-Increasing

August 29, 2020 · 5 min · 894 words · Samir Paul

The Airport With the Most Traffic

August 29, 2020 · 3 min · 441 words · Samir Paul

Elements in Array After Removing and Replacing Elements

August 28, 2020 · 4 min · 739 words · Samir Paul

Maximum Number of Words Found in Sentences

August 28, 2020 · 3 min · 597 words · Samir Paul

Find All Possible Recipes from Given Supplies

August 28, 2020 · 4 min · 803 words · Samir Paul

Check if a Parentheses String Can Be Valid

August 28, 2020 · 4 min · 757 words · Samir Paul

Abbreviating the Product of a Range

August 28, 2020 · 7 min · 1332 words · Samir Paul

Build the Equation

August 28, 2020 · 2 min · 418 words · Samir Paul

A Number After a Double Reversal

August 28, 2020 · 2 min · 237 words · Samir Paul

Execution of All Suffix Instructions Staying in a Grid

August 28, 2020 · 7 min · 1384 words · Samir Paul

Intervals Between Identical Elements

August 28, 2020 · 4 min · 803 words · Samir Paul

Recover the Original Array

August 28, 2020 · 5 min · 983 words · Samir Paul

Minimum Operations to Remove Adjacent Ones in Matrix

August 28, 2020 · 7 min · 1281 words · Samir Paul

Check if All A’s Appears Before All B’s

August 28, 2020 · 2 min · 224 words · Samir Paul

Number of Laser Beams in a Bank

August 28, 2020 · 4 min · 761 words · Samir Paul

Destroying Asteroids

August 28, 2020 · 3 min · 490 words · Samir Paul

Maximum Employees to Be Invited to a Meeting

August 28, 2020 · 9 min · 1820 words · Samir Paul

Remove All Ones With Row and Column Flips

August 28, 2020 · 3 min · 456 words · Samir Paul

Capitalize the Title

August 28, 2020 · 3 min · 532 words · Samir Paul

Maximum Twin Sum of a Linked List

August 28, 2020 · 9 min · 1810 words · Samir Paul

Longest Palindrome by Concatenating Two Letter Words

August 28, 2020 · 3 min · 605 words · Samir Paul

Stamping the Grid

August 28, 2020 · 12 min · 2440 words · Samir Paul

Check if Every Row and Column Contains All Numbers

August 28, 2020 · 4 min · 665 words · Samir Paul

Minimum Swaps to Group All 1’s Together II

August 28, 2020 · 4 min · 770 words · Samir Paul

Count Words Obtained After Adding a Letter

August 28, 2020 · 5 min · 859 words · Samir Paul

Earliest Possible Day of Full Bloom

August 28, 2020 · 5 min · 873 words · Samir Paul

Pour Water Between Buckets to Make Water Levels Equal

August 27, 2020 · 5 min · 898 words · Samir Paul

Divide a String Into Groups of Size k

August 27, 2020 · 3 min · 548 words · Samir Paul

Minimum Moves to Reach Target Score

August 27, 2020 · 5 min · 1017 words · Samir Paul

Solving Questions With Brainpower

August 27, 2020 · 6 min · 1073 words · Samir Paul

Maximum Running Time of N Computers

August 27, 2020 · 6 min · 1077 words · Samir Paul

The Number of Passengers in Each Bus I

August 27, 2020 · 2 min · 398 words · Samir Paul

Choose Numbers From Two Arrays in Range

August 27, 2020 · 6 min · 1236 words · Samir Paul

Minimum Cost of Buying Candies With Discount

August 27, 2020 · 3 min · 606 words · Samir Paul

Count the Hidden Sequences

August 27, 2020 · 3 min · 548 words · Samir Paul

K Highest Ranked Items Within a Price Range

August 27, 2020 · 7 min · 1487 words · Samir Paul

Number of Ways to Divide a Long Corridor

August 27, 2020 · 5 min · 954 words · Samir Paul

Count Elements With Strictly Smaller and Greater Elements

August 27, 2020 · 3 min · 482 words · Samir Paul

Rearrange Array Elements by Sign

August 27, 2020 · 3 min · 525 words · Samir Paul

Find All Lonely Numbers in the Array

August 27, 2020 · 3 min · 551 words · Samir Paul

Maximum Good People Based on Statements

August 27, 2020 · 6 min · 1241 words · Samir Paul

Minimum Number of Lines to Cover Points

August 27, 2020 · 5 min · 1055 words · Samir Paul

The Number of Passengers in Each Bus II

August 27, 2020 · 3 min · 536 words · Samir Paul

Keep Multiplying Found Values by Two

August 27, 2020 · 2 min · 381 words · Samir Paul

All Divisions With the Highest Score of a Binary Array

August 27, 2020 · 5 min · 963 words · Samir Paul

Find Substring With Given Hash Value

August 27, 2020 · 3 min · 562 words · Samir Paul

Groups of Strings

August 27, 2020 · 7 min · 1340 words · Samir Paul

Amount of New Area Painted Each Day

August 27, 2020 · 8 min · 1562 words · Samir Paul

Order Two Columns Independently

August 27, 2020 · 1 min · 191 words · Samir Paul

Minimum Sum of Four Digit Number After Splitting Digits

August 27, 2020 · 3 min · 557 words · Samir Paul

Partition Array According to Given Pivot

August 26, 2020 · 3 min · 623 words · Samir Paul

Minimum Cost to Set Cooking Time

August 26, 2020 · 6 min · 1177 words · Samir Paul

Minimum Difference in Sums After Removal of Elements

August 26, 2020 · 7 min · 1293 words · Samir Paul

Sort Even and Odd Indices Independently

August 26, 2020 · 4 min · 643 words · Samir Paul

Smallest Value of the Rearranged Number

August 26, 2020 · 4 min · 751 words · Samir Paul

Design Bitset

August 26, 2020 · 7 min · 1279 words · Samir Paul

Minimum Time to Remove All Cars Containing Illegal Goods

August 26, 2020 · 5 min · 930 words · Samir Paul

Unique Substrings With Equal Digit Frequency

August 26, 2020 · 3 min · 559 words · Samir Paul

Count Operations to Obtain Zero

August 26, 2020 · 3 min · 518 words · Samir Paul

Minimum Operations to Make the Array Alternating

August 26, 2020 · 5 min · 921 words · Samir Paul

Removing Minimum Number of Magic Beans

August 26, 2020 · 4 min · 731 words · Samir Paul

Maximum AND Sum of Array

August 26, 2020 · 5 min · 861 words · Samir Paul

Longest Winning Streak

August 26, 2020 · 2 min · 408 words · Samir Paul

Remove All Ones With Row and Column Flips II

August 26, 2020 · 5 min · 992 words · Samir Paul

The Change in Global Rankings

August 26, 2020 · 3 min · 618 words · Samir Paul

Count Equal and Divisible Pairs in an Array

August 26, 2020 · 4 min · 660 words · Samir Paul

Find Three Consecutive Integers That Sum to a Given Number

August 26, 2020 · 2 min · 312 words · Samir Paul

Maximum Split of Positive Even Integers

August 26, 2020 · 3 min · 622 words · Samir Paul

Count Good Triplets in an Array

August 26, 2020 · 10 min · 2045 words · Samir Paul

Count Integers With Even Digit Sum

August 26, 2020 · 4 min · 776 words · Samir Paul

Merge Nodes in Between Zeros

August 26, 2020 · 5 min · 1062 words · Samir Paul

Construct String With Repeat Limit

August 26, 2020 · 6 min · 1085 words · Samir Paul

Count Array Pairs Divisible by K

August 26, 2020 · 1 min · 162 words · Samir Paul

Number of Ways to Build Sturdy Brick Wall

August 26, 2020 · 7 min · 1458 words · Samir Paul

Counting Words With a Given Prefix

August 25, 2020 · 5 min · 948 words · Samir Paul

Minimum Number of Steps to Make Two Strings Anagram II

August 25, 2020 · 3 min · 601 words · Samir Paul

Minimum Time to Complete Trips

August 25, 2020 · 3 min · 595 words · Samir Paul

Minimum Time to Finish the Race

August 25, 2020 · 6 min · 1081 words · Samir Paul

Number of Ways to Build House of Cards

August 25, 2020 · 4 min · 744 words · Samir Paul

Most Frequent Number Following Key In an Array

August 25, 2020 · 4 min · 682 words · Samir Paul

Sort the Jumbled Numbers

August 25, 2020 · 4 min · 846 words · Samir Paul

All Ancestors of a Node in a Directed Acyclic Graph

August 25, 2020 · 5 min · 907 words · Samir Paul

Minimum Number of Moves to Make Palindrome

August 25, 2020 · 4 min · 666 words · Samir Paul

Cells in a Range on an Excel Sheet

August 25, 2020 · 3 min · 452 words · Samir Paul

Append K Integers With Minimal Sum

August 25, 2020 · 3 min · 628 words · Samir Paul

Create Binary Tree From Descriptions

August 25, 2020 · 6 min · 1258 words · Samir Paul

Replace Non-Coprime Numbers in Array

August 25, 2020 · 2 min · 339 words · Samir Paul

Number of Single Divisor Triplets

August 25, 2020 · 6 min · 1069 words · Samir Paul

Finding the Topic of Each Post

August 25, 2020 · 3 min · 586 words · Samir Paul

Find All K-Distant Indices in an Array

August 25, 2020 · 9 min · 1851 words · Samir Paul

Count Artifacts That Can Be Extracted

August 25, 2020 · 6 min · 1115 words · Samir Paul

Maximize the Topmost Element After K Moves

August 25, 2020 · 3 min · 639 words · Samir Paul

Minimum Weighted Subgraph With the Required Paths

August 25, 2020 · 4 min · 755 words · Samir Paul

Distance to a Cycle in Undirected Graph

August 25, 2020 · 7 min · 1295 words · Samir Paul

The Number of Users That Are Eligible for Discount

August 25, 2020 · 2 min · 322 words · Samir Paul

Divide Array Into Equal Pairs

August 25, 2020 · 2 min · 336 words · Samir Paul

Maximize Number of Subsequences in a String

August 25, 2020 · 3 min · 515 words · Samir Paul

Minimum Operations to Halve Array Sum

August 25, 2020 · 5 min · 887 words · Samir Paul

Minimum White Tiles After Covering With Carpets

August 24, 2020 · 4 min · 811 words · Samir Paul

Count Hills and Valleys in an Array

August 24, 2020 · 5 min · 1049 words · Samir Paul

Count Collisions on a Road

August 24, 2020 · 4 min · 677 words · Samir Paul

Maximum Points in an Archery Competition

August 24, 2020 · 6 min · 1222 words · Samir Paul

Longest Substring of One Repeating Character

August 24, 2020 · 10 min · 1966 words · Samir Paul

Minimum Health to Beat Game

August 24, 2020 · 4 min · 643 words · Samir Paul

Find the Difference of Two Arrays

August 24, 2020 · 5 min · 887 words · Samir Paul

Minimum Deletions to Make Array Beautiful

August 24, 2020 · 6 min · 1215 words · Samir Paul

Find Palindrome With Fixed Length

August 24, 2020 · 4 min · 758 words · Samir Paul

Maximum Value of K Coins From Piles

August 24, 2020 · 4 min · 691 words · Samir Paul

Maximum Sum Score of Array

August 24, 2020 · 4 min · 645 words · Samir Paul

Minimum Bit Flips to Convert Number

August 24, 2020 · 3 min · 624 words · Samir Paul

Find Triangular Sum of an Array

August 24, 2020 · 2 min · 398 words · Samir Paul

Number of Ways to Select Buildings

August 24, 2020 · 3 min · 594 words · Samir Paul

Sum of Scores of Built Strings

August 24, 2020 · 2 min · 303 words · Samir Paul

Minimum Number of Operations to Convert Time

August 24, 2020 · 3 min · 496 words · Samir Paul

Find Players With Zero or One Losses

August 24, 2020 · 4 min · 819 words · Samir Paul

Maximum Candies Allocated to K Children

August 24, 2020 · 3 min · 563 words · Samir Paul

Encrypt and Decrypt Strings

August 24, 2020 · 5 min · 987 words · Samir Paul

Users With Two Purchases Within Seven Days

August 24, 2020 · 2 min · 273 words · Samir Paul

Check if an Array Is Consecutive

August 24, 2020 · 3 min · 441 words · Samir Paul

The Users That Are Eligible for Discount

August 24, 2020 · 2 min · 350 words · Samir Paul

Largest Number After Digit Swaps by Parity

August 24, 2020 · 4 min · 721 words · Samir Paul

Minimize Result by Adding Parentheses to Expression

August 24, 2020 · 4 min · 665 words · Samir Paul

Maximum Product After K Increments

August 23, 2020 · 3 min · 615 words · Samir Paul

Maximum Total Beauty of the Gardens

August 23, 2020 · 8 min · 1540 words · Samir Paul

Add Two Integers

August 23, 2020 · 3 min · 510 words · Samir Paul

Root Equals Sum of Children

August 23, 2020 · 4 min · 715 words · Samir Paul

Count Positions on Street With Required Brightness

August 23, 2020 · 4 min · 792 words · Samir Paul

Number of Times a Driver Was a Passenger

August 23, 2020 · 2 min · 265 words · Samir Paul

Find Closest Number to Zero

August 23, 2020 · 3 min · 466 words · Samir Paul

Number of Ways to Buy Pens and Pencils

August 23, 2020 · 3 min · 546 words · Samir Paul

Design an ATM Machine

August 23, 2020 · 5 min · 1029 words · Samir Paul

Maximum Score of a Node Sequence

August 23, 2020 · 3 min · 551 words · Samir Paul

Calculate Digit Sum of a String

August 23, 2020 · 4 min · 798 words · Samir Paul

Minimum Rounds to Complete All Tasks

August 23, 2020 · 3 min · 565 words · Samir Paul

Maximum Trailing Zeros in a Cornered Path

August 23, 2020 · 8 min · 1634 words · Samir Paul

Longest Path With Different Adjacent Characters

August 23, 2020 · 4 min · 788 words · Samir Paul

Maximum Cost of Trip With K Highways

August 23, 2020 · 6 min · 1256 words · Samir Paul

Intersection of Multiple Arrays

August 23, 2020 · 4 min · 805 words · Samir Paul

Count Lattice Points Inside a Circle

August 23, 2020 · 4 min · 774 words · Samir Paul

Count Number of Rectangles Containing Each Point

August 23, 2020 · 5 min · 959 words · Samir Paul

Number of Flowers in Full Bloom

August 23, 2020 · 8 min · 1512 words · Samir Paul

Dynamic Pivoting of a Table

August 23, 2020 · 3 min · 477 words · Samir Paul

Dynamic Unpivoting of a Table

August 23, 2020 · 3 min · 493 words · Samir Paul

Design Video Sharing Platform

August 23, 2020 · 4 min · 764 words · Samir Paul

Count Prefixes of a Given String

August 23, 2020 · 2 min · 400 words · Samir Paul

Minimum Average Difference

August 23, 2020 · 6 min · 1110 words · Samir Paul

Count Unguarded Cells in the Grid

August 22, 2020 · 6 min · 1271 words · Samir Paul

Escape the Spreading Fire

August 22, 2020 · 13 min · 2705 words · Samir Paul

Remove Digit From Number to Maximize Result

August 22, 2020 · 5 min · 884 words · Samir Paul

Minimum Consecutive Cards to Pick Up

August 22, 2020 · 3 min · 495 words · Samir Paul

K Divisible Elements Subarrays

August 22, 2020 · 4 min · 743 words · Samir Paul

Total Appeal of A String

August 22, 2020 · 5 min · 972 words · Samir Paul

Make Array Non-decreasing or Non-increasing

August 22, 2020 · 4 min · 724 words · Samir Paul

Largest 3-Same-Digit Number in String

August 22, 2020 · 3 min · 461 words · Samir Paul

Count Nodes Equal to Average of Subtree

August 22, 2020 · 4 min · 789 words · Samir Paul

Count Number of Texts

August 22, 2020 · 4 min · 748 words · Samir Paul

Check if There Is a Valid Parentheses String Path

August 22, 2020 · 5 min · 875 words · Samir Paul

Minimum Number of Keypresses

August 22, 2020 · 3 min · 547 words · Samir Paul

Find the K-Beauty of a Number

August 22, 2020 · 3 min · 545 words · Samir Paul

Number of Ways to Split Array

August 22, 2020 · 3 min · 589 words · Samir Paul

Maximum White Tiles Covered by a Carpet

August 22, 2020 · 3 min · 639 words · Samir Paul

Substring With Largest Variance

August 22, 2020 · 3 min · 614 words · Samir Paul

Find Resultant Array After Removing Anagrams

August 22, 2020 · 3 min · 471 words · Samir Paul

Maximum Consecutive Floors Without Special Floors

August 22, 2020 · 2 min · 394 words · Samir Paul

Largest Combination With Bitwise AND Greater Than Zero

August 22, 2020 · 2 min · 417 words · Samir Paul

Count Integers in Intervals

August 22, 2020 · 12 min · 2374 words · Samir Paul

Closest Node to Path in Tree

August 22, 2020 · 2 min · 372 words · Samir Paul

Percentage of Letter in String

August 22, 2020 · 2 min · 374 words · Samir Paul

Maximum Bags With Full Capacity of Rocks

August 22, 2020 · 4 min · 743 words · Samir Paul

Minimum Lines to Represent a Line Chart

August 22, 2020 · 4 min · 678 words · Samir Paul

Sum of Total Strength of Wizards

August 21, 2020 · 7 min · 1464 words · Samir Paul

Number of People That Can Be Seen in a Grid

August 21, 2020 · 6 min · 1139 words · Samir Paul

Check if Number Has Equal Digit Count and Digit Value

August 21, 2020 · 3 min · 606 words · Samir Paul

Sender With Largest Word Count

August 21, 2020 · 3 min · 637 words · Samir Paul

Maximum Total Importance of Roads

August 21, 2020 · 3 min · 622 words · Samir Paul

Booking Concert Tickets in Groups

August 21, 2020 · 13 min · 2747 words · Samir Paul

Rearrange Characters to Make Target String

August 21, 2020 · 4 min · 838 words · Samir Paul

Apply Discount to Prices

August 21, 2020 · 4 min · 733 words · Samir Paul

Steps to Make Array Non-decreasing

August 21, 2020 · 3 min · 474 words · Samir Paul

Minimum Obstacle Removal to Reach Corner

August 21, 2020 · 5 min · 989 words · Samir Paul

Maximum Profit From Trading Stocks

August 21, 2020 · 5 min · 991 words · Samir Paul

Products With Three or More Orders in Two Consecutive Years

August 21, 2020 · 2 min · 379 words · Samir Paul

Min Max Game

August 21, 2020 · 4 min · 735 words · Samir Paul

Partition Array Such That Maximum Difference Is K

August 21, 2020 · 3 min · 639 words · Samir Paul

Replace Elements in an Array

August 21, 2020 · 3 min · 507 words · Samir Paul

Design a Text Editor

August 21, 2020 · 6 min · 1160 words · Samir Paul

Jump Game VIII

August 21, 2020 · 5 min · 1055 words · Samir Paul

Tasks Count in the Weekend

August 21, 2020 · 2 min · 270 words · Samir Paul

Strong Password Checker II

August 21, 2020 · 5 min · 933 words · Samir Paul

Successful Pairs of Spells and Potions

August 21, 2020 · 4 min · 685 words · Samir Paul

Match Substring After Replacement

August 21, 2020 · 6 min · 1247 words · Samir Paul

Count Subarrays With Score Less Than K

August 21, 2020 · 6 min · 1176 words · Samir Paul

Calculate Amount Paid in Taxes

August 21, 2020 · 4 min · 732 words · Samir Paul

Minimum Path Cost in a Grid

August 21, 2020 · 6 min · 1128 words · Samir Paul

Fair Distribution of Cookies

August 20, 2020 · 5 min · 1055 words · Samir Paul

Naming a Company

August 20, 2020 · 6 min · 1132 words · Samir Paul

Check for Contradictions in Equations

August 20, 2020 · 7 min · 1294 words · Samir Paul

Arrange Table by Gender

August 20, 2020 · 2 min · 399 words · Samir Paul

Greatest English Letter in Upper and Lower Case

August 20, 2020 · 6 min · 1157 words · Samir Paul

Sum of Numbers With Units Digit K

August 20, 2020 · 5 min · 860 words · Samir Paul

Longest Binary Subsequence Less Than or Equal to K

August 20, 2020 · 4 min · 740 words · Samir Paul

Selling Pieces of Wood

August 20, 2020 · 7 min · 1479 words · Samir Paul

Minimum Flips in Binary Tree to Get Result

August 20, 2020 · 7 min · 1450 words · Samir Paul

The First Day of the Maximum Recorded Degree in Each City

August 20, 2020 · 2 min · 342 words · Samir Paul

Count Asterisks

August 20, 2020 · 4 min · 661 words · Samir Paul

Count Unreachable Pairs of Nodes in an Undirected Graph

August 20, 2020 · 6 min · 1085 words · Samir Paul

Maximum XOR After Operations

August 20, 2020 · 2 min · 366 words · Samir Paul

Number of Distinct Roll Sequences

August 20, 2020 · 6 min · 1159 words · Samir Paul

Check if Matrix Is X-Matrix

August 20, 2020 · 4 min · 776 words · Samir Paul

Count Number of Ways to Place Houses

August 20, 2020 · 4 min · 702 words · Samir Paul

Maximum Score Of Spliced Array

August 20, 2020 · 4 min · 721 words · Samir Paul

Minimum Score After Removals on a Tree

August 20, 2020 · 7 min · 1400 words · Samir Paul

Find Minimum Time to Finish All Jobs II

August 20, 2020 · 3 min · 491 words · Samir Paul

Product Sales Analysis IV

August 20, 2020 · 3 min · 434 words · Samir Paul

Decode the Message

August 20, 2020 · 4 min · 790 words · Samir Paul

Spiral Matrix IV

August 20, 2020 · 6 min · 1091 words · Samir Paul

Number of People Aware of a Secret

August 20, 2020 · 5 min · 965 words · Samir Paul

Number of Increasing Paths in a Grid

August 20, 2020 · 6 min · 1254 words · Samir Paul

Product Sales Analysis V

August 19, 2020 · 2 min · 356 words · Samir Paul

Valid Palindrome IV

August 19, 2020 · 3 min · 452 words · Samir Paul

Evaluate Boolean Binary Tree

August 19, 2020 · 7 min · 1455 words · Samir Paul

The Latest Time to Catch a Bus

August 19, 2020 · 6 min · 1127 words · Samir Paul

Minimum Sum of Squared Difference

August 19, 2020 · 6 min · 1142 words · Samir Paul

Subarray With Elements Greater Than Varying Threshold

August 19, 2020 · 8 min · 1586 words · Samir Paul

Minimum Amount of Time to Fill Cups

August 19, 2020 · 4 min · 709 words · Samir Paul

Smallest Number in Infinite Set

August 19, 2020 · 18 min · 3775 words · Samir Paul

Move Pieces to Obtain a String

August 19, 2020 · 8 min · 1581 words · Samir Paul

Count the Number of Ideal Arrays

August 19, 2020 · 9 min · 1855 words · Samir Paul

All the Matches of the League

August 19, 2020 · 2 min · 220 words · Samir Paul

Minimum Adjacent Swaps to Make a Valid Array

August 19, 2020 · 4 min · 726 words · Samir Paul

Maximum Number of Pairs in Array

August 19, 2020 · 4 min · 814 words · Samir Paul

Max Sum of a Pair With Equal Sum of Digits

August 19, 2020 · 4 min · 823 words · Samir Paul

Query Kth Smallest Trimmed Number

August 19, 2020 · 4 min · 694 words · Samir Paul

Minimum Deletions to Make Array Divisible

August 19, 2020 · 5 min · 933 words · Samir Paul

Finding the Number of Visible Mountains

August 19, 2020 · 4 min · 838 words · Samir Paul

Compute the Rank as a Percentage

August 19, 2020 · 2 min · 404 words · Samir Paul

Best Poker Hand

August 19, 2020 · 5 min · 949 words · Samir Paul

Number of Zero-Filled Subarrays

August 19, 2020 · 2 min · 414 words · Samir Paul

Design a Number Container System

August 19, 2020 · 4 min · 785 words · Samir Paul

Shortest Impossible Sequence of Rolls

August 19, 2020 · 3 min · 488 words · Samir Paul

First Letter to Appear Twice

August 19, 2020 · 5 min · 918 words · Samir Paul

Equal Row and Column Pairs

August 19, 2020 · 5 min · 946 words · Samir Paul

Design a Food Rating System

August 18, 2020 · 4 min · 722 words · Samir Paul

Number of Excellent Pairs

August 18, 2020 · 4 min · 671 words · Samir Paul

Maximum Number of Books You Can Take

August 18, 2020 · 5 min · 936 words · Samir Paul

Number of Unique Subjects Taught by Each Teacher

August 18, 2020 · 2 min · 267 words · Samir Paul

Make Array Zero by Subtracting Equal Amounts

August 18, 2020 · 2 min · 424 words · Samir Paul

Maximum Number of Groups Entering a Competition

August 18, 2020 · 3 min · 565 words · Samir Paul

Find Closest Node to Given Two Nodes

August 18, 2020 · 10 min · 1989 words · Samir Paul

Longest Cycle in a Graph

August 18, 2020 · 4 min · 745 words · Samir Paul

Minimum Costs Using the Train Line

August 18, 2020 · 7 min · 1410 words · Samir Paul

Generate the Invoice

August 18, 2020 · 2 min · 402 words · Samir Paul

Merge Similar Items

August 18, 2020 · 5 min · 978 words · Samir Paul

Count Number of Bad Pairs

August 18, 2020 · 3 min · 454 words · Samir Paul

Task Scheduler II

August 18, 2020 · 3 min · 548 words · Samir Paul

Minimum Replacements to Sort the Array

August 18, 2020 · 4 min · 693 words · Samir Paul

Number of Arithmetic Triplets

August 18, 2020 · 5 min · 857 words · Samir Paul

Reachable Nodes With Restrictions

August 18, 2020 · 7 min · 1290 words · Samir Paul

Check if There is a Valid Partition For The Array

August 18, 2020 · 8 min · 1583 words · Samir Paul

Longest Ideal Subsequence

August 18, 2020 · 4 min · 703 words · Samir Paul

Minimize Maximum Value in a Grid

August 18, 2020 · 4 min · 794 words · Samir Paul

Calculate the Influence of Each Salesperson

August 18, 2020 · 3 min · 460 words · Samir Paul

Largest Local Values in a Matrix

August 18, 2020 · 3 min · 621 words · Samir Paul

Node With Highest Edge Score

August 18, 2020 · 4 min · 657 words · Samir Paul

Construct Smallest Number From DI String

August 18, 2020 · 5 min · 1011 words · Samir Paul

Count Special Integers

August 18, 2020 · 8 min · 1627 words · Samir Paul

Sort the Olympic Table

August 17, 2020 · 2 min · 346 words · Samir Paul

Choose Edges to Maximize Score in a Tree

August 17, 2020 · 4 min · 753 words · Samir Paul

Minimum Recolors to Get K Consecutive Black Blocks

August 17, 2020 · 5 min · 892 words · Samir Paul

Time Needed to Rearrange a Binary String

August 17, 2020 · 4 min · 680 words · Samir Paul

Shifting Letters II

August 17, 2020 · 4 min · 669 words · Samir Paul

Maximum Segment Sum After Removals

August 17, 2020 · 5 min · 1026 words · Samir Paul

Minimum Hours of Training to Win a Competition

August 17, 2020 · 8 min · 1630 words · Samir Paul

Largest Palindromic Number

August 17, 2020 · 4 min · 819 words · Samir Paul

Amount of Time for Binary Tree to Be Infected

August 17, 2020 · 9 min · 1819 words · Samir Paul

Find the K-Sum of an Array

August 17, 2020 · 4 min · 751 words · Samir Paul

Median of a Row Wise Sorted Matrix

August 17, 2020 · 3 min · 616 words · Samir Paul

Change Null Values in a Table to the Previous Value

August 17, 2020 · 3 min · 436 words · Samir Paul

Longest Subsequence With Limited Sum

August 17, 2020 · 7 min · 1288 words · Samir Paul

Removing Stars From a String

August 17, 2020 · 3 min · 538 words · Samir Paul

Minimum Amount of Time to Collect Garbage

August 17, 2020 · 8 min · 1667 words · Samir Paul

Build a Matrix With Conditions

August 17, 2020 · 7 min · 1473 words · Samir Paul

Count Strictly Increasing Subarrays

August 17, 2020 · 4 min · 830 words · Samir Paul

Employees With Deductions

August 17, 2020 · 3 min · 536 words · Samir Paul

Find Subarrays With Equal Sum

August 17, 2020 · 3 min · 522 words · Samir Paul

Strictly Palindromic Number

August 17, 2020 · 2 min · 269 words · Samir Paul

Maximum Rows Covered by Columns

August 17, 2020 · 6 min · 1122 words · Samir Paul

Maximum Number of Robots Within Budget

August 17, 2020 · 4 min · 695 words · Samir Paul

Check Distances Between Same Letters

August 17, 2020 · 4 min · 728 words · Samir Paul

Number of Ways to Reach a Position After Exactly k Steps

August 17, 2020 · 6 min · 1166 words · Samir Paul

Longest Nice Subarray

August 16, 2020 · 4 min · 738 words · Samir Paul

Meeting Rooms III

August 16, 2020 · 7 min · 1412 words · Samir Paul

Minimum Time to Kill All Monsters

August 16, 2020 · 9 min · 1727 words · Samir Paul

Most Frequent Even Element

August 16, 2020 · 4 min · 761 words · Samir Paul

Optimal Partition of String

August 16, 2020 · 4 min · 741 words · Samir Paul

Divide Intervals Into Minimum Number of Groups

August 16, 2020 · 3 min · 600 words · Samir Paul

Longest Increasing Subsequence II

August 16, 2020 · 9 min · 1714 words · Samir Paul

Design SQL

August 16, 2020 · 5 min · 923 words · Samir Paul

Count Days Spent Together

August 16, 2020 · 4 min · 755 words · Samir Paul

Maximum Matching of Players With Trainers

August 16, 2020 · 3 min · 549 words · Samir Paul

Smallest Subarrays With Maximum Bitwise OR

August 16, 2020 · 4 min · 827 words · Samir Paul

Minimum Money Required Before Transactions

August 16, 2020 · 3 min · 580 words · Samir Paul

Smallest Even Multiple

August 16, 2020 · 2 min · 306 words · Samir Paul

Length of the Longest Alphabetical Continuous Substring

August 16, 2020 · 4 min · 683 words · Samir Paul

Reverse Odd Levels of Binary Tree

August 16, 2020 · 7 min · 1348 words · Samir Paul

Sum of Prefix Scores of Strings

August 16, 2020 · 7 min · 1293 words · Samir Paul

Closest Fair Integer

August 16, 2020 · 3 min · 605 words · Samir Paul

Sort the People

August 16, 2020 · 5 min · 887 words · Samir Paul

Longest Subarray With Maximum Bitwise AND

August 16, 2020 · 3 min · 514 words · Samir Paul

Find All Good Indices

August 16, 2020 · 4 min · 800 words · Samir Paul

Number of Good Paths

August 16, 2020 · 6 min · 1256 words · Samir Paul

Merge Operations to Turn Array Into a Palindrome

August 16, 2020 · 4 min · 790 words · Samir Paul

Remove Letter To Equalize Frequency

August 16, 2020 · 4 min · 843 words · Samir Paul

Longest Uploaded Prefix

August 16, 2020 · 4 min · 704 words · Samir Paul

Bitwise XOR of All Pairings

August 15, 2020 · 4 min · 672 words · Samir Paul

Number of Pairs Satisfying Inequality

August 15, 2020 · 5 min · 992 words · Samir Paul

Number of Common Factors

August 15, 2020 · 5 min · 890 words · Samir Paul

Maximum Sum of an Hourglass

August 15, 2020 · 4 min · 749 words · Samir Paul

Minimize XOR

August 15, 2020 · 6 min · 1108 words · Samir Paul

Maximum Deletions on a String

August 15, 2020 · 9 min · 1884 words · Samir Paul

Maximize Total Tastiness of Purchased Fruits

August 15, 2020 · 6 min · 1068 words · Samir Paul

The Employee That Worked on the Longest Task

August 15, 2020 · 6 min · 1207 words · Samir Paul

Find The Original Array of Prefix Xor

August 15, 2020 · 3 min · 585 words · Samir Paul

Using a Robot to Print the Lexicographically Smallest String

August 15, 2020 · 6 min · 1149 words · Samir Paul

Paths in Matrix Whose Sum Is Divisible by K

August 15, 2020 · 9 min · 1790 words · Samir Paul

Minimum Split Into Subarrays With GCD Greater Than One

August 15, 2020 · 4 min · 707 words · Samir Paul

Number of Valid Clock Times

August 15, 2020 · 7 min · 1377 words · Samir Paul

Range Product Queries of Powers

August 15, 2020 · 4 min · 727 words · Samir Paul

Minimize Maximum of Array

August 15, 2020 · 4 min · 666 words · Samir Paul

Create Components With Same Value

August 15, 2020 · 6 min · 1268 words · Samir Paul

Largest Positive Integer That Exists With Its Negative

August 15, 2020 · 3 min · 583 words · Samir Paul

Count Number of Distinct Integers After Reverse Operations

August 15, 2020 · 3 min · 592 words · Samir Paul

Sum of Number and Its Reverse

August 15, 2020 · 3 min · 585 words · Samir Paul

Count Subarrays With Fixed Bounds

August 15, 2020 · 5 min · 1024 words · Samir Paul

Number of Nodes With Value One

August 15, 2020 · 4 min · 852 words · Samir Paul

Determine if Two Events Have Conflict

August 15, 2020 · 2 min · 373 words · Samir Paul

Number of Subarrays With GCD Equal to K

August 15, 2020 · 4 min · 669 words · Samir Paul

Minimum Cost to Make Array Equal

August 15, 2020 · 9 min · 1764 words · Samir Paul

Minimum Number of Operations to Make Arrays Similar

August 14, 2020 · 5 min · 1042 words · Samir Paul

Number of Distinct Binary Strings After Applying Operations

August 14, 2020 · 3 min · 533 words · Samir Paul

Odd String Difference

August 14, 2020 · 5 min · 970 words · Samir Paul

Words Within Two Edits of Dictionary

August 14, 2020 · 4 min · 688 words · Samir Paul

Destroy Sequential Targets

August 14, 2020 · 3 min · 631 words · Samir Paul

Next Greater Element IV

August 14, 2020 · 17 min · 3497 words · Samir Paul

Average Value of Even Numbers That Are Divisible by Three

August 14, 2020 · 4 min · 646 words · Samir Paul

Most Popular Video Creator

August 14, 2020 · 5 min · 1001 words · Samir Paul

Minimum Addition to Make Integer Beautiful

August 14, 2020 · 5 min · 939 words · Samir Paul

Height of Binary Tree After Subtree Removal Queries

August 14, 2020 · 7 min · 1298 words · Samir Paul

Sort Array by Moving Items to Empty Space

August 14, 2020 · 5 min · 911 words · Samir Paul

Apply Operations to an Array

August 14, 2020 · 5 min · 877 words · Samir Paul

Maximum Sum of Distinct Subarrays With Length K

August 14, 2020 · 5 min · 908 words · Samir Paul

Total Cost to Hire K Workers

August 14, 2020 · 7 min · 1450 words · Samir Paul

Minimum Total Distance Traveled

August 14, 2020 · 6 min · 1269 words · Samir Paul

Minimum Subarrays in a Valid Split

August 14, 2020 · 5 min · 928 words · Samir Paul

Number of Distinct Averages

August 14, 2020 · 6 min · 1142 words · Samir Paul

Count Ways To Build Good Strings

August 14, 2020 · 4 min · 756 words · Samir Paul

Most Profitable Path in a Tree

August 14, 2020 · 8 min · 1702 words · Samir Paul

Split Message Based on Limit

August 14, 2020 · 6 min · 1071 words · Samir Paul

Convert the Temperature

August 14, 2020 · 2 min · 349 words · Samir Paul

Number of Subarrays With LCM Equal to K

August 14, 2020 · 3 min · 574 words · Samir Paul

Minimum Number of Operations to Sort a Binary Tree by Level

August 14, 2020 · 8 min · 1659 words · Samir Paul

Maximum Number of Non-overlapping Palindrome Substrings

August 14, 2020 · 5 min · 905 words · Samir Paul

Minimum Cost to Buy Apples

August 13, 2020 · 7 min · 1343 words · Samir Paul

Customers With Strictly Increasing Purchases

August 13, 2020 · 3 min · 487 words · Samir Paul

Number of Unequal Triplets in Array

August 13, 2020 · 10 min · 2048 words · Samir Paul

Closest Nodes Queries in a Binary Search Tree

August 13, 2020 · 7 min · 1331 words · Samir Paul

Minimum Fuel Cost to Report to the Capital

August 13, 2020 · 7 min · 1350 words · Samir Paul

Number of Beautiful Partitions

August 13, 2020 · 5 min · 885 words · Samir Paul

Maximum XOR of Two Non-Overlapping Subtrees

August 13, 2020 · 7 min · 1477 words · Samir Paul

Form a Chemical Bond

August 13, 2020 · 2 min · 343 words · Samir Paul

Minimum Cuts to Divide a Circle

August 13, 2020 · 2 min · 409 words · Samir Paul

Difference Between Ones and Zeros in Row and Column

August 13, 2020 · 7 min · 1298 words · Samir Paul

Minimum Penalty for a Shop

August 13, 2020 · 4 min · 825 words · Samir Paul

Count Palindromic Subsequences

August 13, 2020 · 6 min · 1149 words · Samir Paul

Find the Pivot Integer

August 13, 2020 · 4 min · 846 words · Samir Paul

Append Characters to String to Make Subsequence

August 13, 2020 · 4 min · 675 words · Samir Paul

Remove Nodes From Linked List

August 13, 2020 · 8 min · 1588 words · Samir Paul

Count Subarrays With Median K

August 13, 2020 · 5 min · 877 words · Samir Paul

Number of Substrings With Fixed Ratio

August 13, 2020 · 3 min · 606 words · Samir Paul

Circular Sentence

August 13, 2020 · 6 min · 1160 words · Samir Paul

Divide Players Into Teams of Equal Skill

August 13, 2020 · 6 min · 1188 words · Samir Paul

Minimum Score of a Path Between Two Cities

August 13, 2020 · 8 min · 1561 words · Samir Paul

Divide Nodes Into the Maximum Number of Groups

August 13, 2020 · 8 min · 1656 words · Samir Paul

Merge Overlapping Events in the Same Hall

August 13, 2020 · 2 min · 426 words · Samir Paul

Number of Subarrays Having Even Product

August 13, 2020 · 2 min · 345 words · Samir Paul

Maximum Value of a String in an Array

August 13, 2020 · 5 min · 976 words · Samir Paul

Maximum Star Sum of a Graph

August 12, 2020 · 4 min · 738 words · Samir Paul

Frog Jump II

August 12, 2020 · 3 min · 441 words · Samir Paul

Minimum Total Cost to Make Arrays Unequal

August 12, 2020 · 5 min · 967 words · Samir Paul

Delete Greatest Value in Each Row

August 12, 2020 · 4 min · 658 words · Samir Paul

Longest Square Streak in an Array

August 12, 2020 · 5 min · 853 words · Samir Paul

Design Memory Allocator

August 12, 2020 · 9 min · 1877 words · Samir Paul

Maximum Number of Points From Grid Queries

August 12, 2020 · 6 min · 1265 words · Samir Paul

Concatenate the Name and the Profession

August 12, 2020 · 2 min · 263 words · Samir Paul

Bitwise OR of All Subsequence Sums

August 12, 2020 · 3 min · 495 words · Samir Paul

Count Pairs Of Similar Strings

August 12, 2020 · 4 min · 669 words · Samir Paul

Smallest Value After Replacing With Sum of Prime Factors

August 12, 2020 · 3 min · 480 words · Samir Paul

Add Edges to Make Degrees of All Nodes Even

August 12, 2020 · 5 min · 999 words · Samir Paul

Cycle Length Queries in a Tree

August 12, 2020 · 4 min · 749 words · Samir Paul

Check if There is a Path With Equal Number of 0’s And 1’s

August 12, 2020 · 4 min · 781 words · Samir Paul

Maximum Enemy Forts That Can Be Captured

August 12, 2020 · 5 min · 914 words · Samir Paul

Reward Top K Students

August 12, 2020 · 7 min · 1356 words · Samir Paul

Minimize the Maximum of Two Arrays

August 12, 2020 · 4 min · 808 words · Samir Paul

Count Anagrams

August 12, 2020 · 4 min · 738 words · Samir Paul

Shortest Distance to Target String in a Circular Array

August 12, 2020 · 5 min · 893 words · Samir Paul

Take K of Each Character From Left and Right

August 12, 2020 · 4 min · 836 words · Samir Paul

Maximum Tastiness of Candy Basket

August 12, 2020 · 5 min · 872 words · Samir Paul

Number of Great Partitions

August 12, 2020 · 4 min · 815 words · Samir Paul

Count the Number of K-Big Indices

August 12, 2020 · 5 min · 957 words · Samir Paul

Count the Digits That Divide a Number

August 12, 2020 · 3 min · 583 words · Samir Paul

Distinct Prime Factors of Product of Array

August 11, 2020 · 3 min · 480 words · Samir Paul

Partition String Into Substrings With Values at Most K

August 11, 2020 · 4 min · 726 words · Samir Paul

Closest Prime Numbers in Range

August 11, 2020 · 5 min · 954 words · Samir Paul

Maximum Frequency Score of a Subarray

August 11, 2020 · 5 min · 995 words · Samir Paul

Categorize Box According to Criteria

August 11, 2020 · 7 min · 1332 words · Samir Paul

Find Consecutive Integers from a Data Stream

August 11, 2020 · 4 min · 668 words · Samir Paul

Find Xor-Beauty of Array

August 11, 2020 · 2 min · 401 words · Samir Paul

Maximize the Minimum Powered City

August 11, 2020 · 7 min · 1336 words · Samir Paul

Maximum Count of Positive Integer and Negative Integer

August 11, 2020 · 6 min · 1118 words · Samir Paul

Maximal Score After Applying K Operations

August 11, 2020 · 5 min · 942 words · Samir Paul

Make Number of Distinct Characters Equal

August 11, 2020 · 4 min · 795 words · Samir Paul

Time to Cross a Bridge

August 11, 2020 · 9 min · 1892 words · Samir Paul

Number of Good Binary Strings

August 11, 2020 · 4 min · 831 words · Samir Paul

Time Taken to Cross the Door

August 11, 2020 · 3 min · 530 words · Samir Paul

Difference Between Element Sum and Digit Sum of an Array

August 11, 2020 · 4 min · 703 words · Samir Paul

Increment Submatrices by One

August 11, 2020 · 5 min · 889 words · Samir Paul

Count the Number of Good Subarrays

August 11, 2020 · 4 min · 745 words · Samir Paul

Difference Between Maximum and Minimum Price Sum

August 11, 2020 · 5 min · 928 words · Samir Paul

Count the Number of Good Subsequences

August 11, 2020 · 6 min · 1113 words · Samir Paul

Minimum Common Value

August 11, 2020 · 4 min · 824 words · Samir Paul

Minimum Operations to Make Array Equal II

August 11, 2020 · 6 min · 1166 words · Samir Paul

Maximum Subsequence Score

August 11, 2020 · 4 min · 824 words · Samir Paul

Check if Point Is Reachable

August 11, 2020 · 3 min · 605 words · Samir Paul

Alternating Digit Sum

August 11, 2020 · 3 min · 626 words · Samir Paul

Sort the Students by Their Kth Score

August 10, 2020 · 3 min · 489 words · Samir Paul

Apply Bitwise Operations to Make Strings Equal

August 10, 2020 · 3 min · 508 words · Samir Paul

Minimum Cost to Split an Array

August 10, 2020 · 6 min · 1199 words · Samir Paul

Maximum Price to Fill a Bag

August 10, 2020 · 4 min · 708 words · Samir Paul

Count Distinct Numbers on Board

August 10, 2020 · 2 min · 423 words · Samir Paul

Count Collisions of Monkeys on a Polygon

August 10, 2020 · 4 min · 765 words · Samir Paul

Put Marbles in Bags

August 10, 2020 · 4 min · 744 words · Samir Paul

Count Increasing Quadruplets

August 10, 2020 · 6 min · 1071 words · Samir Paul

Separate the Digits in an Array

August 10, 2020 · 4 min · 794 words · Samir Paul

Maximum Number of Integers to Choose From a Range I

August 10, 2020 · 8 min · 1689 words · Samir Paul

Maximize Win From Two Segments

August 10, 2020 · 5 min · 861 words · Samir Paul

Disconnect Path in a Binary Matrix by at Most One Flip

August 10, 2020 · 5 min · 948 words · Samir Paul

Maximum Number of Integers to Choose From a Range II

August 10, 2020 · 5 min · 943 words · Samir Paul

Take Gifts From the Richest Pile

August 10, 2020 · 4 min · 699 words · Samir Paul

Count Vowel Strings in Ranges

August 10, 2020 · 7 min · 1403 words · Samir Paul

House Robber IV

August 10, 2020 · 5 min · 971 words · Samir Paul

Rearranging Fruits

August 10, 2020 · 5 min · 913 words · Samir Paul

Find the Array Concatenation Value

August 10, 2020 · 5 min · 1054 words · Samir Paul

Count the Number of Fair Pairs

August 10, 2020 · 4 min · 736 words · Samir Paul

Substring XOR Queries

August 10, 2020 · 5 min · 932 words · Samir Paul

Subsequence With the Minimum Score

August 10, 2020 · 7 min · 1352 words · Samir Paul

Maximum Difference by Remapping a Digit

August 10, 2020 · 5 min · 1044 words · Samir Paul

Minimum Score by Changing Two Elements

August 10, 2020 · 4 min · 781 words · Samir Paul

Minimum Impossible OR

August 10, 2020 · 3 min · 506 words · Samir Paul

Handling Sum Queries After Update

August 9, 2020 · 12 min · 2402 words · Samir Paul

Merge Two 2D Arrays by Summing Values

August 9, 2020 · 5 min · 871 words · Samir Paul

Minimum Operations to Reduce an Integer to 0

August 9, 2020 · 4 min · 791 words · Samir Paul

Count the Number of Square-Free Subsets

August 9, 2020 · 7 min · 1473 words · Samir Paul

Find the String with LCP

August 9, 2020 · 6 min · 1250 words · Samir Paul

Left and Right Sum Differences

August 9, 2020 · 5 min · 977 words · Samir Paul

Find the Divisibility Array of a String

August 9, 2020 · 4 min · 658 words · Samir Paul

Find the Maximum Number of Marked Indices

August 9, 2020 · 4 min · 732 words · Samir Paul

Minimum Time to Visit a Cell In a Grid

August 9, 2020 · 7 min · 1480 words · Samir Paul

Split With Minimum Sum

August 9, 2020 · 6 min · 1232 words · Samir Paul

Count Total Number of Colored Cells

August 9, 2020 · 2 min · 381 words · Samir Paul

Count Ways to Group Overlapping Ranges

August 9, 2020 · 6 min · 1173 words · Samir Paul

Count Number of Possible Root Nodes

August 9, 2020 · 8 min · 1565 words · Samir Paul

Pass the Pillow

August 9, 2020 · 5 min · 1027 words · Samir Paul

Kth Largest Sum in a Binary Tree

August 9, 2020 · 9 min · 1811 words · Samir Paul

Split the Array to Make Coprime Products

August 9, 2020 · 5 min · 909 words · Samir Paul

Number of Ways to Earn Points

August 9, 2020 · 6 min · 1168 words · Samir Paul

Count the Number of Vowel Strings in Range

August 9, 2020 · 4 min · 745 words · Samir Paul

Rearrange Array to Maximize Prefix Score

August 9, 2020 · 3 min · 620 words · Samir Paul

Count the Number of Beautiful Subarrays

August 9, 2020 · 4 min · 735 words · Samir Paul

Minimum Time to Complete All Tasks

August 9, 2020 · 5 min · 934 words · Samir Paul

Design a Todo List

August 9, 2020 · 8 min · 1552 words · Samir Paul

Distribute Money to Maximum Children

August 9, 2020 · 4 min · 771 words · Samir Paul

Maximize Greatness of an Array

August 9, 2020 · 3 min · 429 words · Samir Paul

Find Score of an Array After Marking All Elements

August 8, 2020 · 9 min · 1750 words · Samir Paul

Minimum Time to Repair Cars

August 8, 2020 · 4 min · 824 words · Samir Paul

Number of Even and Odd Bits

August 8, 2020 · 4 min · 761 words · Samir Paul

Check Knight Tour Configuration

August 8, 2020 · 5 min · 959 words · Samir Paul

The Number of Beautiful Subsets

August 8, 2020 · 4 min · 834 words · Samir Paul

Smallest Missing Non-negative Integer After Operations

August 8, 2020 · 3 min · 637 words · Samir Paul

Make the Prefix Sum Non-negative

August 8, 2020 · 4 min · 673 words · Samir Paul

K Items With the Maximum Sum

August 8, 2020 · 3 min · 625 words · Samir Paul

Prime Subtraction Operation

August 8, 2020 · 6 min · 1101 words · Samir Paul

Minimum Operations to Make All Array Elements Equal

August 8, 2020 · 6 min · 1155 words · Samir Paul

Collect Coins in a Tree

August 8, 2020 · 8 min · 1515 words · Samir Paul

Minimum Time to Eat All Grains

August 8, 2020 · 8 min · 1547 words · Samir Paul

Form Smallest Number From Two Digit Arrays

August 8, 2020 · 11 min · 2156 words · Samir Paul

Find the Substring With Maximum Cost

August 8, 2020 · 7 min · 1417 words · Samir Paul

Make K-Subarray Sums Equal

August 8, 2020 · 4 min · 850 words · Samir Paul

Shortest Cycle in a Graph

August 8, 2020 · 10 min · 2121 words · Samir Paul

Find the Longest Balanced Substring of a Binary String

August 8, 2020 · 8 min · 1532 words · Samir Paul

Convert an Array Into a 2D Array With Conditions

August 8, 2020 · 4 min · 657 words · Samir Paul

Mice and Cheese

August 8, 2020 · 6 min · 1094 words · Samir Paul

Minimum Reverse Operations

August 8, 2020 · 35 min · 7433 words · Samir Paul

Beautiful Pairs

August 8, 2020 · 12 min · 2355 words · Samir Paul

Prime In Diagonal

August 8, 2020 · 4 min · 831 words · Samir Paul

Sum of Distances

August 8, 2020 · 4 min · 717 words · Samir Paul

Minimize the Maximum Difference of Pairs

August 8, 2020 · 5 min · 920 words · Samir Paul

Minimum Number of Visited Cells in a Grid

August 7, 2020 · 7 min · 1306 words · Samir Paul

Check if Object Instance of Class

August 7, 2020 · 2 min · 294 words · Samir Paul

Array Prototype Last

August 7, 2020 · 1 min · 156 words · Samir Paul

Counter

August 7, 2020 · 1 min · 172 words · Samir Paul

Sleep

August 7, 2020 · 1 min · 118 words · Samir Paul

Cache With Time Limit

August 7, 2020 · 3 min · 567 words · Samir Paul

Memoize

August 7, 2020 · 3 min · 439 words · Samir Paul

Snail Traversal

August 7, 2020 · 2 min · 421 words · Samir Paul

Flatten Deeply Nested Array

August 7, 2020 · 2 min · 392 words · Samir Paul

Array Reduce Transformation

August 7, 2020 · 2 min · 322 words · Samir Paul

Debounce

August 7, 2020 · 3 min · 462 words · Samir Paul

JSON Deep Equal

August 7, 2020 · 2 min · 377 words · Samir Paul

Function Composition

August 7, 2020 · 2 min · 257 words · Samir Paul

Memoize II

August 7, 2020 · 3 min · 429 words · Samir Paul

Group By

August 7, 2020 · 2 min · 421 words · Samir Paul

Curry

August 7, 2020 · 2 min · 343 words · Samir Paul

Convert Object to JSON String

August 7, 2020 · 2 min · 246 words · Samir Paul

Filter Elements from Array

August 7, 2020 · 2 min · 293 words · Samir Paul

Apply Transform Over Each Element in Array

August 7, 2020 · 2 min · 230 words · Samir Paul

Promise Pool

August 7, 2020 · 3 min · 560 words · Samir Paul

Promise Time Limit

August 7, 2020 · 2 min · 397 words · Samir Paul

Count the Number of K-Free Subsets

August 7, 2020 · 5 min · 1024 words · Samir Paul

Find the Width of Columns of a Grid

August 7, 2020 · 3 min · 527 words · Samir Paul

Find the Score of All Prefixes of an Array

August 7, 2020 · 4 min · 644 words · Samir Paul

Cousins in Binary Tree II

August 6, 2020 · 11 min · 2275 words · Samir Paul

Design Graph With Shortest Path Calculator

August 6, 2020 · 9 min · 1766 words · Samir Paul

Row With Maximum Ones

August 6, 2020 · 3 min · 584 words · Samir Paul

Find the Maximum Divisibility Score

August 6, 2020 · 4 min · 831 words · Samir Paul

Minimum Additions to Make Valid String

August 6, 2020 · 4 min · 726 words · Samir Paul

Minimize the Total Price of the Trips

August 6, 2020 · 8 min · 1537 words · Samir Paul

Color the Triangle Red

August 6, 2020 · 6 min · 1130 words · Samir Paul

Generate Fibonacci Sequence

August 6, 2020 · 1 min · 157 words · Samir Paul

Nested Array Generator

August 6, 2020 · 1 min · 203 words · Samir Paul

Design Cancellable Function

August 6, 2020 · 5 min · 888 words · Samir Paul

Calculate Delayed Arrival Time

August 6, 2020 · 2 min · 287 words · Samir Paul

Sum Multiples

August 6, 2020 · 6 min · 1096 words · Samir Paul

Sliding Subarray Beauty

August 6, 2020 · 5 min · 1031 words · Samir Paul

Minimum Number of Operations to Make All Array Elements Equal to 1

August 6, 2020 · 5 min · 913 words · Samir Paul

Find Maximal Uncovered Ranges

August 6, 2020 · 4 min · 683 words · Samir Paul

Maximum Sum With Exactly K Elements

August 6, 2020 · 4 min · 673 words · Samir Paul

Find the Prefix Common Array of Two Arrays

August 6, 2020 · 6 min · 1251 words · Samir Paul

Maximum Number of Fish in a Grid

August 6, 2020 · 6 min · 1175 words · Samir Paul

Make Array Empty

August 6, 2020 · 7 min · 1447 words · Samir Paul

Determine the Winner of a Bowling Game

August 6, 2020 · 5 min · 1013 words · Samir Paul

First Completely Painted Row or Column

August 6, 2020 · 5 min · 955 words · Samir Paul

Minimum Cost of a Path With Special Roads

August 6, 2020 · 9 min · 1751 words · Samir Paul

Lexicographically Smallest Beautiful String

August 6, 2020 · 6 min · 1268 words · Samir Paul

The Knight’s Tour

August 6, 2020 · 6 min · 1272 words · Samir Paul

Counter II

August 5, 2020 · 2 min · 226 words · Samir Paul

Allow One Function Call

August 5, 2020 · 2 min · 248 words · Samir Paul

Create Hello World Function

August 5, 2020 · 1 min · 133 words · Samir Paul

Find Latest Salaries

August 5, 2020 · 3 min · 476 words · Samir Paul

Count Artist Occurrences On Spotify Ranking List

August 5, 2020 · 2 min · 269 words · Samir Paul

Find the Distinct Difference Array

August 5, 2020 · 5 min · 1064 words · Samir Paul

Frequency Tracker

August 5, 2020 · 5 min · 986 words · Samir Paul

Number of Adjacent Elements With the Same Color

August 5, 2020 · 5 min · 937 words · Samir Paul

Make Costs of Paths Equal in a Binary Tree

August 5, 2020 · 4 min · 715 words · Samir Paul

Split a Circular Linked List

August 5, 2020 · 4 min · 827 words · Samir Paul

Array of Objects to Matrix

August 5, 2020 · 3 min · 636 words · Samir Paul

Throttle

August 5, 2020 · 3 min · 567 words · Samir Paul

Chunk Array

August 5, 2020 · 2 min · 295 words · Samir Paul

Number of Senior Citizens

August 5, 2020 · 3 min · 561 words · Samir Paul

Sum in a Matrix

August 5, 2020 · 3 min · 623 words · Samir Paul

Maximum OR

August 5, 2020 · 5 min · 864 words · Samir Paul

Power of Heroes

August 5, 2020 · 4 min · 665 words · Samir Paul

Find the Losers of the Circular Game

August 5, 2020 · 5 min · 881 words · Samir Paul

Neighboring Bitwise XOR

August 5, 2020 · 2 min · 413 words · Samir Paul

Maximum Number of Moves in a Grid

August 5, 2020 · 4 min · 786 words · Samir Paul

Count the Number of Complete Components

August 5, 2020 · 4 min · 826 words · Samir Paul

Immediate Food Delivery III

August 5, 2020 · 2 min · 398 words · Samir Paul

Bikes Last Time Used

August 5, 2020 · 2 min · 311 words · Samir Paul

Find Active Users

August 5, 2020 · 2 min · 408 words · Samir Paul

Extract Kth Character From The Rope Tree

August 4, 2020 · 5 min · 917 words · Samir Paul

Infinite Method Object

August 4, 2020 · 1 min · 142 words · Samir Paul

Immutability Helper

August 4, 2020 · 2 min · 425 words · Samir Paul

Make Object Immutable

August 4, 2020 · 3 min · 532 words · Samir Paul

Call Function with Custom Context

August 4, 2020 · 2 min · 296 words · Samir Paul

Event Emitter

August 4, 2020 · 4 min · 741 words · Samir Paul

Array Wrapper

August 4, 2020 · 2 min · 253 words · Samir Paul

Minimum String Length After Removing Substrings

August 4, 2020 · 4 min · 702 words · Samir Paul

Lexicographically Smallest Palindrome

August 4, 2020 · 4 min · 645 words · Samir Paul

Find the Punishment Number of an Integer

August 4, 2020 · 5 min · 1005 words · Samir Paul

Modify Graph Edge Weights

August 4, 2020 · 10 min · 2024 words · Samir Paul

Differences Between Two Objects

August 4, 2020 · 3 min · 634 words · Samir Paul

Consecutive Transactions with Increasing Amounts

August 4, 2020 · 4 min · 677 words · Samir Paul

Minimum Operations to Make Numbers Non-positive

August 4, 2020 · 5 min · 950 words · Samir Paul

Return Length of Arguments Passed

August 4, 2020 · 1 min · 113 words · Samir Paul

To Be Or Not To Be

August 4, 2020 · 2 min · 325 words · Samir Paul

Compact Object

August 4, 2020 · 2 min · 307 words · Samir Paul

Buy Two Chocolates

August 4, 2020 · 5 min · 1001 words · Samir Paul

Extra Characters in a String

August 4, 2020 · 10 min · 1976 words · Samir Paul

Maximum Strength of a Group

August 4, 2020 · 4 min · 736 words · Samir Paul

Greatest Common Divisor Traversal

August 4, 2020 · 7 min · 1445 words · Samir Paul

Remove Trailing Zeros From a String

August 4, 2020 · 2 min · 315 words · Samir Paul

Difference of Number of Distinct Values on Diagonals

August 4, 2020 · 5 min · 1022 words · Samir Paul

Minimum Cost to Make All Characters Equal

August 4, 2020 · 3 min · 539 words · Samir Paul

Maximum Strictly Increasing Cells in a Matrix

August 3, 2020 · 4 min · 816 words · Samir Paul

Find Shortest Path with K Hops

August 3, 2020 · 8 min · 1574 words · Samir Paul

Timeout Cancellation

August 3, 2020 · 3 min · 624 words · Samir Paul

Minimize String Length

August 3, 2020 · 4 min · 668 words · Samir Paul

Semi-Ordered Permutation

August 3, 2020 · 5 min · 896 words · Samir Paul

Sum of Matrix After Queries

August 3, 2020 · 4 min · 823 words · Samir Paul

Count of Integers

August 3, 2020 · 7 min · 1368 words · Samir Paul

Popularity Percentage

August 3, 2020 · 4 min · 648 words · Samir Paul

Execute Asynchronous Functions in Parallel

August 3, 2020 · 2 min · 380 words · Samir Paul

Join Two Arrays by ID

August 3, 2020 · 3 min · 452 words · Samir Paul

Add Two Promises

August 3, 2020 · 2 min · 223 words · Samir Paul

Sort By

August 3, 2020 · 1 min · 212 words · Samir Paul

Interval Cancellation

August 3, 2020 · 3 min · 565 words · Samir Paul

Calculator with Method Chaining

August 3, 2020 · 3 min · 438 words · Samir Paul

Is Object Empty

August 3, 2020 · 2 min · 220 words · Samir Paul

Count Houses in a Circular Street

August 3, 2020 · 4 min · 714 words · Samir Paul

Check if The Number is Fascinating

August 3, 2020 · 3 min · 625 words · Samir Paul

Find the Longest Semi-Repetitive Substring

August 3, 2020 · 3 min · 593 words · Samir Paul

Movement of Robots

August 3, 2020 · 6 min · 1072 words · Samir Paul

Find a Good Subset of the Matrix

August 3, 2020 · 2 min · 359 words · Samir Paul

Neither Minimum nor Maximum

August 3, 2020 · 3 min · 488 words · Samir Paul

Lexicographically Smallest String After Substring Operation

August 3, 2020 · 4 min · 779 words · Samir Paul

Collecting Chocolates

August 3, 2020 · 6 min · 1205 words · Samir Paul

Maximum Sum Queries

August 3, 2020 · 11 min · 2167 words · Samir Paul

Find the Closest Marked Node

August 2, 2020 · 6 min · 1230 words · Samir Paul

Count Occurrences in Text

August 2, 2020 · 2 min · 386 words · Samir Paul

Total Distance Traveled

August 2, 2020 · 3 min · 526 words · Samir Paul

Find the Value of the Partition

August 2, 2020 · 2 min · 412 words · Samir Paul

Special Permutations

August 2, 2020 · 4 min · 698 words · Samir Paul

Painting the Walls

August 2, 2020 · 6 min · 1074 words · Samir Paul

Count Substrings Without Repeating Character

August 2, 2020 · 3 min · 634 words · Samir Paul

Find Maximum Number of String Pairs

August 2, 2020 · 3 min · 625 words · Samir Paul

Construct the Longest New String

August 2, 2020 · 4 min · 683 words · Samir Paul

Decremental String Concatenation

August 2, 2020 · 6 min · 1183 words · Samir Paul

Count Zero Request Servers

August 2, 2020 · 5 min · 993 words · Samir Paul

Number of Beautiful Pairs

August 2, 2020 · 4 min · 801 words · Samir Paul

Minimum Operations to Make the Integer Zero

August 2, 2020 · 3 min · 449 words · Samir Paul

Ways to Split Array Into Good Subarrays

August 2, 2020 · 4 min · 640 words · Samir Paul

Robot Collisions

August 2, 2020 · 3 min · 428 words · Samir Paul

Customers with Maximum Number of Transactions on Consecutive Days

August 2, 2020 · 2 min · 381 words · Samir Paul

Count Houses in a Circular Street II

August 2, 2020 · 4 min · 755 words · Samir Paul

Bind Function to Context

August 2, 2020 · 2 min · 273 words · Samir Paul

Deep Merge of Two Objects

August 2, 2020 · 3 min · 429 words · Samir Paul

Query Batching

August 2, 2020 · 3 min · 531 words · Samir Paul

Generate Circular Array Values

August 2, 2020 · 2 min · 379 words · Samir Paul

Next Day

August 2, 2020 · 1 min · 137 words · Samir Paul

Convert JSON String to Object

August 2, 2020 · 3 min · 540 words · Samir Paul

Longest Even Odd Subarray With Threshold

August 2, 2020 · 7 min · 1357 words · Samir Paul

Prime Pairs With Target Sum

August 1, 2020 · 4 min · 765 words · Samir Paul

Continuous Subarrays

August 1, 2020 · 4 min · 680 words · Samir Paul

Sum of Imbalance Numbers of All Subarrays

August 1, 2020 · 5 min · 871 words · Samir Paul

Is Array a Preorder of Some ‌Binary Tree

August 1, 2020 · 4 min · 736 words · Samir Paul

Longest Alternating Subarray

August 1, 2020 · 4 min · 776 words · Samir Paul

Relocate Marbles

August 1, 2020 · 4 min · 684 words · Samir Paul

Partition String Into Minimum Beautiful Substrings

August 1, 2020 · 7 min · 1312 words · Samir Paul

Number of Black Blocks

August 1, 2020 · 6 min · 1093 words · Samir Paul

Find the Maximum Achievable Number

August 1, 2020 · 2 min · 385 words · Samir Paul

Maximum Number of Jumps to Reach the Last Index

August 1, 2020 · 6 min · 1117 words · Samir Paul

Longest Non-decreasing Subarray From Two Arrays

August 1, 2020 · 5 min · 889 words · Samir Paul

Apply Operations to Make All Array Elements Equal to Zero

August 1, 2020 · 5 min · 877 words · Samir Paul

Height of Special Binary Tree

August 1, 2020 · 5 min · 958 words · Samir Paul

Array Upper Bound

August 1, 2020 · 2 min · 307 words · Samir Paul

Undefined to Null

August 1, 2020 · 1 min · 207 words · Samir Paul

Convert Callback Based Function to Promise Based Function

August 1, 2020 · 3 min · 454 words · Samir Paul

Date Range Generator

August 1, 2020 · 2 min · 255 words · Samir Paul

Sum of Squares of Special Elements

August 1, 2020 · 3 min · 475 words · Samir Paul

Maximum Beauty of an Array After Applying Operation

August 1, 2020 · 4 min · 654 words · Samir Paul

Minimum Index of a Valid Split

August 1, 2020 · 5 min · 902 words · Samir Paul

Length of the Longest Valid Substring

August 1, 2020 · 4 min · 643 words · Samir Paul

Number of Unique Categories

August 1, 2020 · 5 min · 940 words · Samir Paul

Flight Occupancy and Waitlist Analysis

August 1, 2020 · 3 min · 451 words · Samir Paul

Check if Array is Good

August 1, 2020 · 4 min · 723 words · Samir Paul

July ²³⁴

Sort Vowels in a String

July 31, 2020 · 4 min · 816 words · Samir Paul

Visit Array Positions to Maximize Score

July 31, 2020 · 3 min · 575 words · Samir Paul

Ways to Express an Integer as Sum of Powers

July 31, 2020 · 4 min · 688 words · Samir Paul

Split Strings by Separator

July 31, 2020 · 3 min · 521 words · Samir Paul

Largest Element in an Array after Merge Operations

July 31, 2020 · 3 min · 534 words · Samir Paul

Maximum Number of Groups With Increasing Length

July 31, 2020 · 4 min · 657 words · Samir Paul

Count Paths That Can Form a Palindrome in a Tree

July 31, 2020 · 5 min · 940 words · Samir Paul

Count Nodes That Are Great Enough

July 31, 2020 · 6 min · 1150 words · Samir Paul

Status of Flight Tickets

July 31, 2020 · 3 min · 505 words · Samir Paul

Create Object from Two Arrays

July 31, 2020 · 2 min · 324 words · Samir Paul

Parallel Execution of Promises for Individual Results Retrieval

July 31, 2020 · 3 min · 639 words · Samir Paul

Repeat String

July 31, 2020 · 1 min · 143 words · Samir Paul

Partial Function with Placeholders

July 31, 2020 · 3 min · 431 words · Samir Paul

Number of Employees Who Met the Target

July 31, 2020 · 3 min · 449 words · Samir Paul

Count Complete Subarrays in an Array

July 31, 2020 · 6 min · 1152 words · Samir Paul

Shortest String That Contains Three Strings

July 31, 2020 · 7 min · 1279 words · Samir Paul

Count Stepping Numbers in Range

July 31, 2020 · 9 min · 1766 words · Samir Paul

Find The K-th Lucky Number

July 31, 2020 · 4 min · 645 words · Samir Paul

Factorial Generator

July 31, 2020 · 1 min · 188 words · Samir Paul

Array Prototype ForEach

July 31, 2020 · 2 min · 342 words · Samir Paul

Custom Interval

July 31, 2020 · 2 min · 397 words · Samir Paul

Account Balance After Rounded Purchase

July 31, 2020 · 3 min · 570 words · Samir Paul

Insert Greatest Common Divisors in Linked List

July 31, 2020 · 5 min · 909 words · Samir Paul

Minimum Seconds to Equalize a Circular Array

July 31, 2020 · 4 min · 843 words · Samir Paul

Minimum Time to Make Array Sum At Most x

July 30, 2020 · 10 min · 2063 words · Samir Paul

Faulty Keyboard

July 30, 2020 · 3 min · 630 words · Samir Paul

Check if it is Possible to Split Array

July 30, 2020 · 8 min · 1639 words · Samir Paul

Find the Safest Path in a Grid

July 30, 2020 · 15 min · 3185 words · Samir Paul

Maximum Elegance of a K-Length Subsequence

July 30, 2020 · 6 min · 1231 words · Samir Paul

Minimum Time Takes to Reach Destination Without Drowning

July 30, 2020 · 11 min · 2283 words · Samir Paul

Max Pair Sum in an Array

July 30, 2020 · 4 min · 726 words · Samir Paul

Double a Number Represented as a Linked List

July 30, 2020 · 5 min · 1063 words · Samir Paul

Minimum Absolute Difference Between Elements With Constraint

July 30, 2020 · 14 min · 2881 words · Samir Paul

Apply Operations to Maximize Score

July 30, 2020 · 11 min · 2291 words · Samir Paul

Minimum Relative Loss After Buying Chocolates

July 30, 2020 · 9 min · 1910 words · Samir Paul

Election Results

July 30, 2020 · 3 min · 517 words · Samir Paul

Delay the Resolution of Each Promise

July 30, 2020 · 2 min · 274 words · Samir Paul

Inversion of Object

July 30, 2020 · 2 min · 308 words · Samir Paul

Deep Object Filter

July 30, 2020 · 2 min · 402 words · Samir Paul

Count Pairs Whose Sum is Less than Target

July 30, 2020 · 4 min · 781 words · Samir Paul

Make String a Subsequence Using Cyclic Increments

July 30, 2020 · 4 min · 668 words · Samir Paul

Sorting Three Groups

July 30, 2020 · 6 min · 1137 words · Samir Paul

Number of Beautiful Integers in the Range

July 30, 2020 · 9 min · 1845 words · Samir Paul

Check if a String Is an Acronym of Words

July 30, 2020 · 5 min · 879 words · Samir Paul

Determine the Minimum Sum of a k-avoiding Array

July 30, 2020 · 3 min · 574 words · Samir Paul

Maximize the Profit as the Salesman

July 30, 2020 · 5 min · 911 words · Samir Paul

Find the Longest Equal Subarray

July 30, 2020 · 4 min · 714 words · Samir Paul

Maximal Range That Each Element Is Maximum in It

July 30, 2020 · 5 min · 973 words · Samir Paul

Furthest Point From Origin

July 29, 2020 · 3 min · 524 words · Samir Paul

Find the Minimum Possible Sum of a Beautiful Array

July 29, 2020 · 4 min · 680 words · Samir Paul

Minimum Operations to Form Subsequence With Target Sum

July 29, 2020 · 8 min · 1517 words · Samir Paul

Maximize Value of Function in a Ball Passing Game

July 29, 2020 · 6 min · 1267 words · Samir Paul

Total Traveled Distance

July 29, 2020 · 3 min · 476 words · Samir Paul

Maximum Coins Heroes Can Collect

July 29, 2020 · 6 min · 1125 words · Samir Paul

Check if Strings Can be Made Equal With Operations I

July 29, 2020 · 3 min · 627 words · Samir Paul

Check if Strings Can be Made Equal With Operations II

July 29, 2020 · 4 min · 654 words · Samir Paul

Maximum Sum of Almost Unique Subarray

July 29, 2020 · 5 min · 939 words · Samir Paul

Count K-Subsequences of a String With Maximum Beauty

July 29, 2020 · 10 min · 1928 words · Samir Paul

Count Symmetric Integers

July 29, 2020 · 4 min · 737 words · Samir Paul

Minimum Operations to Make a Special Number

July 29, 2020 · 5 min · 940 words · Samir Paul

Count of Interesting Subarrays

July 29, 2020 · 5 min · 995 words · Samir Paul

Minimum Edge Weight Equilibrium Queries in a Tree

July 29, 2020 · 11 min · 2256 words · Samir Paul

Smallest Number With Given Digit Product

July 29, 2020 · 4 min · 724 words · Samir Paul

Points That Intersect With Cars

July 29, 2020 · 3 min · 556 words · Samir Paul

Determine if a Cell Is Reachable at a Given Time

July 29, 2020 · 3 min · 567 words · Samir Paul

Minimum Moves to Spread Stones Over Grid

July 29, 2020 · 10 min · 1967 words · Samir Paul

String Transformation

July 29, 2020 · 9 min · 1814 words · Samir Paul

Sum of Remoteness of All Cells

July 29, 2020 · 8 min · 1646 words · Samir Paul

Highest Salaries Difference

July 29, 2020 · 2 min · 282 words · Samir Paul

Rolling Average Steps

July 29, 2020 · 4 min · 709 words · Samir Paul

Minimum Right Shifts to Sort the Array

July 29, 2020 · 4 min · 648 words · Samir Paul

Minimum Array Length After Pair Removals

July 29, 2020 · 5 min · 1035 words · Samir Paul

Count Pairs of Points With Distance k

July 28, 2020 · 4 min · 838 words · Samir Paul

Minimum Edge Reversals So Every Node Is Reachable

July 28, 2020 · 6 min · 1142 words · Samir Paul

Sum of Values at Indices With K Set Bits

July 28, 2020 · 3 min · 514 words · Samir Paul

Happy Students

July 28, 2020 · 4 min · 707 words · Samir Paul

Maximum Number of Alloys

July 28, 2020 · 7 min · 1365 words · Samir Paul

Maximum Element-Sum of a Complete Subset of Indices

July 28, 2020 · 5 min · 952 words · Samir Paul

Maximum Length of Semi-Decreasing Subarrays

July 28, 2020 · 4 min · 782 words · Samir Paul

Maximum Odd Binary Number

July 28, 2020 · 3 min · 442 words · Samir Paul

Beautiful Towers I

July 28, 2020 · 12 min · 2452 words · Samir Paul

Beautiful Towers II

July 28, 2020 · 9 min · 1870 words · Samir Paul

Count Valid Paths in a Tree

July 28, 2020 · 14 min · 2888 words · Samir Paul

The Wording Game

July 28, 2020 · 7 min · 1366 words · Samir Paul

Minimum Operations to Collect Elements

July 28, 2020 · 4 min · 641 words · Samir Paul

Minimum Number of Operations to Make Array Empty

July 28, 2020 · 4 min · 666 words · Samir Paul

Split Array Into Maximum Number of Subarrays

July 28, 2020 · 4 min · 669 words · Samir Paul

Maximum Number of K-Divisible Components

July 28, 2020 · 6 min · 1250 words · Samir Paul

Maximum Value of an Ordered Triplet I

July 28, 2020 · 3 min · 538 words · Samir Paul

Maximum Value of an Ordered Triplet II

July 28, 2020 · 3 min · 538 words · Samir Paul

Minimum Size Subarray in Infinite Array

July 28, 2020 · 7 min · 1368 words · Samir Paul

Count Visited Nodes in a Directed Graph

July 28, 2020 · 6 min · 1212 words · Samir Paul

Create a DataFrame from List

July 28, 2020 · 1 min · 142 words · Samir Paul

Get the Size of a DataFrame

July 28, 2020 · 2 min · 240 words · Samir Paul

Display the First Three Rows

July 28, 2020 · 1 min · 191 words · Samir Paul

Select Data

July 28, 2020 · 1 min · 147 words · Samir Paul

Create a New Column

July 27, 2020 · 1 min · 202 words · Samir Paul

Drop Duplicate Rows

July 27, 2020 · 1 min · 212 words · Samir Paul

Drop Missing Data

July 27, 2020 · 1 min · 172 words · Samir Paul

Modify Columns

July 27, 2020 · 1 min · 151 words · Samir Paul

Rename Columns

July 27, 2020 · 2 min · 233 words · Samir Paul

Change Data Type

July 27, 2020 · 1 min · 165 words · Samir Paul

Fill Missing Data

July 27, 2020 · 1 min · 170 words · Samir Paul

Reshape Data Concatenate

July 27, 2020 · 2 min · 235 words · Samir Paul

Reshape Data Pivot

July 27, 2020 · 2 min · 233 words · Samir Paul

Reshape Data Melt

July 27, 2020 · 2 min · 222 words · Samir Paul

Method Chaining

July 27, 2020 · 2 min · 266 words · Samir Paul

Minimizing Array After Replacing Pairs With Their Product

July 27, 2020 · 4 min · 719 words · Samir Paul

Calculate Orders Within Each Interval

July 27, 2020 · 2 min · 377 words · Samir Paul

Divisible and Non-divisible Sums Difference

July 27, 2020 · 3 min · 624 words · Samir Paul

Minimum Processing Time

July 27, 2020 · 4 min · 741 words · Samir Paul

Apply Operations to Make Two Strings Equal

July 27, 2020 · 8 min · 1520 words · Samir Paul

Apply Operations on Array to Maximize Sum of Squares

July 27, 2020 · 6 min · 1097 words · Samir Paul

Maximum Linear Stock Score

July 27, 2020 · 4 min · 717 words · Samir Paul

Last Visited Integers

July 27, 2020 · 5 min · 888 words · Samir Paul

Longest Unequal Adjacent Groups Subsequence I

July 27, 2020 · 4 min · 711 words · Samir Paul

Longest Unequal Adjacent Groups Subsequence II

July 27, 2020 · 10 min · 2053 words · Samir Paul

Count of Sub-Multisets With Bounded Sum

July 27, 2020 · 4 min · 705 words · Samir Paul

Find Indices With Index and Value Difference I

July 27, 2020 · 6 min · 1095 words · Samir Paul

Shortest and Lexicographically Smallest Beautiful String

July 27, 2020 · 9 min · 1798 words · Samir Paul

Find Indices With Index and Value Difference II

July 26, 2020 · 5 min · 885 words · Samir Paul

Construct Product Matrix

July 26, 2020 · 6 min · 1243 words · Samir Paul

Maximum Profitable Triplets With Increasing Prices I

July 26, 2020 · 20 min · 4189 words · Samir Paul

Minimum Sum of Mountain Triplets I

July 26, 2020 · 5 min · 891 words · Samir Paul

Minimum Sum of Mountain Triplets II

July 26, 2020 · 5 min · 891 words · Samir Paul

Minimum Number of Groups to Create a Valid Assignment

July 26, 2020 · 6 min · 1174 words · Samir Paul

Minimum Changes to Make K Semi-palindromes

July 26, 2020 · 9 min · 1912 words · Samir Paul

Number of Ways to Reach Destination in the Grid

July 26, 2020 · 6 min · 1271 words · Samir Paul

Subarrays Distinct Element Sum of Squares I

July 26, 2020 · 4 min · 648 words · Samir Paul

Minimum Number of Changes to Make Binary String Beautiful

July 26, 2020 · 3 min · 527 words · Samir Paul

Length of the Longest Subsequence That Sums to Target

July 26, 2020 · 6 min · 1216 words · Samir Paul

Subarrays Distinct Element Sum of Squares II

July 26, 2020 · 2 min · 233 words · Samir Paul

Find the K-or of an Array

July 26, 2020 · 4 min · 704 words · Samir Paul

Minimum Equal Sum of Two Arrays After Replacing Zeros

July 26, 2020 · 4 min · 742 words · Samir Paul

Minimum Increment Operations to Make Array Beautiful

July 26, 2020 · 4 min · 795 words · Samir Paul

Maximum Points After Collecting Coins From All Nodes

July 26, 2020 · 8 min · 1558 words · Samir Paul

Maximum Profitable Triplets With Increasing Prices II

July 26, 2020 · 9 min · 1877 words · Samir Paul

Market Analysis III

July 26, 2020 · 3 min · 588 words · Samir Paul

Find Champion I

July 26, 2020 · 3 min · 614 words · Samir Paul

Find Champion II

July 26, 2020 · 4 min · 778 words · Samir Paul

Maximum Score After Applying Operations on a Tree

July 26, 2020 · 7 min · 1346 words · Samir Paul

Maximum Balanced Subsequence Sum

July 26, 2020 · 8 min · 1698 words · Samir Paul

Distribute Candies Among Children III

July 26, 2020 · 4 min · 846 words · Samir Paul

Distribute Candies Among Children I

July 26, 2020 · 4 min · 846 words · Samir Paul

Distribute Candies Among Children II

July 25, 2020 · 4 min · 846 words · Samir Paul

Number of Strings Which Can Be Rearranged to Contain Substring

July 25, 2020 · 12 min · 2391 words · Samir Paul

Maximum Spending After Buying Items

July 25, 2020 · 7 min · 1387 words · Samir Paul

Maximum Strong Pair XOR I

July 25, 2020 · 10 min · 2095 words · Samir Paul

High-Access Employees

July 25, 2020 · 5 min · 990 words · Samir Paul

Minimum Operations to Maximize Last Elements in Arrays

July 25, 2020 · 6 min · 1066 words · Samir Paul

Maximum Strong Pair XOR II

July 25, 2020 · 9 min · 1767 words · Samir Paul

Number of Equal Numbers Blocks

July 25, 2020 · 7 min · 1355 words · Samir Paul

Make Three Strings Equal

July 25, 2020 · 4 min · 682 words · Samir Paul

Separate Black and White Balls

July 25, 2020 · 3 min · 614 words · Samir Paul

Maximum Xor Product

July 25, 2020 · 6 min · 1076 words · Samir Paul

Find Building Where Alice and Bob Can Meet

July 25, 2020 · 10 min · 2060 words · Samir Paul

Maximum GCD-Sum of a Subarray

July 25, 2020 · 6 min · 1191 words · Samir Paul

Find Words Containing Character

July 25, 2020 · 3 min · 431 words · Samir Paul

Maximize Area of Square Hole in Grid

July 25, 2020 · 6 min · 1272 words · Samir Paul

Minimum Number of Coins for Fruits

July 25, 2020 · 10 min · 1972 words · Samir Paul

Find Maximum Non-decreasing Array Length

July 25, 2020 · 4 min · 785 words · Samir Paul

Matrix Similarity After Cyclic Shifts

July 25, 2020 · 4 min · 664 words · Samir Paul

Count Beautiful Substrings I

July 25, 2020 · 4 min · 834 words · Samir Paul

Make Lexicographically Smallest Array by Swapping Elements

July 25, 2020 · 5 min · 872 words · Samir Paul

Count Beautiful Substrings II

July 25, 2020 · 2 min · 313 words · Samir Paul

Number of Divisible Substrings

July 25, 2020 · 10 min · 1983 words · Samir Paul

Find the Peaks

July 25, 2020 · 3 min · 512 words · Samir Paul

Minimum Number of Coins to be Added

July 25, 2020 · 4 min · 804 words · Samir Paul

Count Complete Substrings

July 24, 2020 · 8 min · 1662 words · Samir Paul

Count the Number of Infection Sequences

July 24, 2020 · 10 min · 2072 words · Samir Paul

Number of Same-End Substrings

July 24, 2020 · 6 min · 1229 words · Samir Paul

Find Common Elements Between Two Arrays

July 24, 2020 · 4 min · 716 words · Samir Paul

Remove Adjacent Almost-Equal Characters

July 24, 2020 · 3 min · 584 words · Samir Paul

Length of Longest Subarray With at Most K Frequency

July 24, 2020 · 4 min · 728 words · Samir Paul

Number of Possible Sets of Closing Branches

July 24, 2020 · 9 min · 1712 words · Samir Paul

Count Tested Devices After Test Operations

July 24, 2020 · 3 min · 610 words · Samir Paul

Double Modular Exponentiation

July 24, 2020 · 4 min · 787 words · Samir Paul

Count Subarrays Where Max Element Appears at Least K Times

July 24, 2020 · 4 min · 755 words · Samir Paul

Count the Number of Good Partitions

July 24, 2020 · 5 min · 1005 words · Samir Paul

Number of Divisible Triplet Sums

July 24, 2020 · 4 min · 677 words · Samir Paul

Find Missing and Repeated Values

July 24, 2020 · 4 min · 747 words · Samir Paul

Divide Array Into Arrays With Max Difference

July 24, 2020 · 3 min · 610 words · Samir Paul

Minimum Cost to Make Array Equalindromic

July 24, 2020 · 8 min · 1513 words · Samir Paul

Apply Operations to Maximize Frequency Score

July 24, 2020 · 8 min · 1589 words · Samir Paul

Minimum Number of Coins for Fruits II

July 24, 2020 · 8 min · 1599 words · Samir Paul

Count the Number of Incremovable Subarrays I

July 24, 2020 · 6 min · 1140 words · Samir Paul

Find Polygon With the Largest Perimeter

July 24, 2020 · 4 min · 710 words · Samir Paul

Count the Number of Incremovable Subarrays II

July 24, 2020 · 6 min · 1142 words · Samir Paul

Find Number of Coins to Place in Tree Nodes

July 24, 2020 · 8 min · 1639 words · Samir Paul

Minimum Number Game

July 24, 2020 · 5 min · 1004 words · Samir Paul

Maximum Square Area by Removing Fences From a Field

July 24, 2020 · 5 min · 1020 words · Samir Paul

Minimum Cost to Convert String I

July 24, 2020 · 8 min · 1590 words · Samir Paul

Minimum Cost to Convert String II

July 23, 2020 · 14 min · 2913 words · Samir Paul

Symmetric Coordinates

July 23, 2020 · 2 min · 399 words · Samir Paul

Most Expensive Item That Can Not Be Bought

July 23, 2020 · 2 min · 407 words · Samir Paul

Check if Bitwise OR Has Trailing Zeros

July 23, 2020 · 3 min · 533 words · Samir Paul

Find Longest Special Substring That Occurs Thrice I

July 23, 2020 · 7 min · 1286 words · Samir Paul

Find Longest Special Substring That Occurs Thrice II

July 23, 2020 · 7 min · 1288 words · Samir Paul

Palindrome Rearrangement Queries

July 23, 2020 · 15 min · 3033 words · Samir Paul

Find Peak Calling Hours for Each City

July 23, 2020 · 2 min · 381 words · Samir Paul

Calculate Compressed Mean

July 23, 2020 · 2 min · 264 words · Samir Paul

Find Third Transaction

July 23, 2020 · 2 min · 419 words · Samir Paul

Find Expensive Cities

July 23, 2020 · 2 min · 345 words · Samir Paul

Manager of the Largest Department

July 23, 2020 · 2 min · 419 words · Samir Paul

Class Performance

July 23, 2020 · 2 min · 381 words · Samir Paul

Loan Types

July 23, 2020 · 2 min · 341 words · Samir Paul

Top Three Wineries

July 23, 2020 · 4 min · 713 words · Samir Paul

Number of Self-Divisible Permutations

July 23, 2020 · 9 min · 1754 words · Samir Paul

Friday Purchases I

July 23, 2020 · 3 min · 443 words · Samir Paul

Friday Purchases II

July 23, 2020 · 3 min · 470 words · Samir Paul

Viewers Turned Streamers

July 23, 2020 · 3 min · 498 words · Samir Paul

Smallest Missing Integer Greater Than Sequential Prefix Sum

July 23, 2020 · 3 min · 638 words · Samir Paul

Minimum Number of Operations to Make Array XOR Equal to K

July 23, 2020 · 3 min · 539 words · Samir Paul

Minimum Number of Operations to Make X and Y Equal

July 23, 2020 · 5 min · 907 words · Samir Paul

Count the Number of Powerful Integers

July 23, 2020 · 6 min · 1225 words · Samir Paul

Maximum Area of Longest Diagonal Rectangle

July 23, 2020 · 3 min · 574 words · Samir Paul

Minimum Moves to Capture The Queen

July 22, 2020 · 6 min · 1119 words · Samir Paul

Maximum Size of a Set After Removals

July 22, 2020 · 4 min · 789 words · Samir Paul

Maximize the Number of Partitions After Operations

July 22, 2020 · 8 min · 1493 words · Samir Paul

Maximum Subtree of the Same Color

July 22, 2020 · 6 min · 1238 words · Samir Paul

Count Elements With Maximum Frequency

July 22, 2020 · 3 min · 545 words · Samir Paul

Find Beautiful Indices in the Given Array I

July 22, 2020 · 8 min · 1542 words · Samir Paul

Maximum Number That Sum of the Prices Is Less Than or Equal to K

July 22, 2020 · 6 min · 1189 words · Samir Paul

Find Beautiful Indices in the Given Array II

July 22, 2020 · 8 min · 1546 words · Samir Paul

Maximum Number of Intersections on the Chart

July 22, 2020 · 2 min · 259 words · Samir Paul

Divide an Array Into Subarrays With Minimum Cost I

July 22, 2020 · 3 min · 637 words · Samir Paul

Find if Array Can Be Sorted

July 22, 2020 · 5 min · 924 words · Samir Paul

Minimize Length of Array Using Operations

July 22, 2020 · 5 min · 945 words · Samir Paul

Divide an Array Into Subarrays With Minimum Cost II

July 22, 2020 · 9 min · 1810 words · Samir Paul

Minimum Number of Pushes to Type Word I

July 22, 2020 · 4 min · 744 words · Samir Paul

Count the Number of Houses at a Certain Distance I

July 22, 2020 · 5 min · 1052 words · Samir Paul

Minimum Number of Pushes to Type Word II

July 22, 2020 · 5 min · 894 words · Samir Paul

Count the Number of Houses at a Certain Distance II

July 22, 2020 · 6 min · 1183 words · Samir Paul

Maximum Number of Removal Queries That Can Be Processed I

July 22, 2020 · 7 min · 1390 words · Samir Paul

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January 1

Real-Time Voice🎙️ Translator🔊

2023 6

December 1

Data Structures and Algorithms for Coding Interview

July 2

Online PDF Compression Tool

System Design Course

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Operating System Notes For Placement

April 1

PyShooter Python Game

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Text File Compressor De-compressor Web App

2022 9

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Some of My Online Courses Certificates

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URL Shortening Service

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SQL Joins - Inner, Left, Right and Full Joins

May 6

Leetcode Solutions Cheatsheet

List of Python Frameworks Libraries Software and Resources

Lists of Technical Interview Questions

Open External Links in a New Window Using JavaScript

Python Cheat Sheet for Leetcode

System design interview for IT companies

2021 13

February 4

Curated List of Project Based Tutorials

High-level design

LeetCode all two pointers problems

LeetCode Greedy for Beginners

January 9

Binary Search Template

Company engineering blog links

Complete Computer Science Study Plan to Become a Software Engineer

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Embed MusicApp

Google Programmable Search Engine

Graph For Beginners

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November 576

Two Sum

Add Two Numbers

Longest Substring Without Repeating Characters

Median of Two Sorted Arrays

Longest Palindromic Substring

Zigzag Conversion

Reverse Integer

String to Integer (atoi)

Palindrome Number

Regular Expression Matching

Container With Most Water

Integer to Roman

Roman to Integer

Longest Common Prefix

3Sum

3Sum Closest

Letter Combinations of a Phone Number

4Sum

Remove Nth Node From End of List

Valid Parentheses

Merge Two Sorted Lists

Generate Parentheses

Merge k Sorted Lists

Swap Nodes in Pairs

Reverse Nodes in k-Group

Remove Duplicates from Sorted Array

Remove Element

Find the Index of the First Occurrence in a String

Divide Two Integers

Substring with Concatenation of All Words

Next Permutation

Longest Valid Parentheses

Search in Rotated Sorted Array

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