LeetCode

General

1 - Two Sum
• Cpp


2 - Add Two Numbers
• Cpp


3 - Longest Substring Without Repeating Characters
• Cpp
• Python


6 - Zigzag Conversion
• Cpp - V1
• Cpp - V2


8 - String to Integer
• Cpp


9 - Palindrome Number
• Python


11 - Container With Most Water
• Cpp


12 - Integer to Roman
• Python


13 - Roman to Integer
• Python


14 - Longest Common Prefix
• Cpp


15 - 3Sum
• Java
• Python


20 - Valid Parentheses
• Cpp - V1
• Cpp - V2


26 - Remove Duplicates from Sorted Array
• C


27 - Remove_Element
• C
• Cpp


28 - Find the Index of the First Occurrence in a String
• Cpp


30 - Substring with Concatenation of All Words
• Cpp


36 - Valid Sudoku
• Cpp
• Python


40 - Combination Sum II
• Cpp


41 - First Missing Positive
• Cpp


42 - Trapping Rain Water
• Cpp


45 - Jump Game II
• Cpp


48 - Rotate Image
• Cpp


54 - Spiral Matrix
• Cpp


55 - Jump Game
• Cpp


58 - Length of Last Word
• Cpp


68 - Text Justification
• Cpp


73 - Set Matrix Zeroes
• Cpp - V1
• Cpp - V2


76 - Minimum Window Substring
• Cpp


80 - Remove Duplicates from Sorted Array II
• Cpp


88 - Merge Sorted Array
• Cpp


94 - Binary Tree Inorder Traversal
• Cpp


100 - Same Tree
• Cpp


104 - Maximum Depth of Binary Tree
• Cpp


121 - Best Time to Buy and Sell Stock
• Cpp


122 - Best Time to Buy and Sell Stock II
• Cpp


125 - Valid Palindrome
• Cpp
• Python


134 - Gas Station
• Cpp


135 - Candy
• Cpp


141 - Linked List Cycle
• Cpp


145 - Binary Tree Postorder Traversal
• Cpp


151 - Reverse Words in a String
• Cpp


167 - Two Sum II - Input Array Is Sorted
• Cpp


169 - Majority Element
• Python


189 - Rotate Array
• Cpp


195 - Tenth Line
• Bash


197 - Rising Temperature
• Sql - MySQL
• Sql - PostgreSQL


199 - Binary Tree Right Side View
• Cpp


200 - Number of Islands
• Cpp


209 - Minimum Size Subarray Sum
• Cpp
• Python


228 - Summary Ranges
• Java


238 - Product of Array Except Self
• Cpp


264 - Ugly Number II
• Cpp


274 - H-Index
• Cpp


380 - Insert Delete GetRandom
• Cpp - V1
• Cpp - V2


383 - Ransom Note
• Cpp


392 - Is Subsequence
• Cpp
• Python


509 - Fibonacci Number
• C


530 - Minimum Absolute Difference in BST
• Cpp


570 - Managers with at Least 5 Direct Reports
• Sql - MySQL
• Sql - PostgreSQL


577 - Employee Bonus
• Sql - MySQL
• Sql - PostgreSQL


584 - Find Customer Referee
• Sql


590 - N-ary Tree Postorder Traversal
• Cpp


595 - Big Countries
• Sql


624 - Maximum Distance in Arrays
• Cpp


650 - 2 Keys Keyboard
• Python


703 - Kth Largest Element in a Stream
• Cpp - V1
• Cpp - V2


719 - Find K-th Smallest Pair Distance
• Cpp


840 - Magic Squares In Grid
• Cpp


860 - Lemonade Change
• Cpp


885 - Spiral Matrix III
• CPP


959 - Regions Cut By Slashes
• Cpp - V1
• Cpp - V2


1068-Product_Sales_Analysis_I
• Sql


1148 - Article Views I
• Sql


1280 - Students and Examinations
• Sql - MySQL
• Sql - PostgreSQL


1378 - Replace Employee ID With The Unique Identifier
• Sql


1514 - Path with Maximum Probability
• Cpp


1568 - Minimum Number of Days to Disconnect Island
• Python


1581 - Customer Who Visited but Did Not Make Any Transactions
• Sql


1661 - Average Time of Process per Machine
• Sql - MySQL
• Sql - PostgreSQL


1683 - Invalid Tweets
• Sql


1757 - Recyclable and Low Fat Products
• Sql


1894 - Find the Student that Will Replace the Chalk
• Cpp


1937 - Maximum Number of Points with Cost
• Cpp


1945 - Sum of Digits of String After Convert
• Cpp


2022 - Convert 1D Array Into 2D Array
• Cpp


2390 - Removing Stars From a String
• Cpp


2667 - Create Hello World Function
• JavaScript


2696 - Minimum String Length After Removing Substrings
• Cpp

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Online Assessment

1. Online Assessment - Fibonacci numbers
2. Online Assessment - Candies