All Problems

38 problems total

Array (1905)Sorting (440)Depth First Search (316)Database (301)Breadth First Search (241)Tree (240)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)
All Topics(4301)Algorithms(3944)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)

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Two Sumeasy
adobeaetionaffirm
Longest Substring Without Repeating Charactersmedium
adobealationalibaba
Longest Palindromic Substringmedium
adobeairbnbalibaba
Convert String to Integer atoimedium-
adobeamazonapple
3Sum - Closestmedium-
adobeamazonapple
Valid Parentheseseasy
adobeairbnbakuna-capital
Generate Parenthesesmedium-
adobealibabaamazon
Merge K Sorted Listshard
adobeairbnbalibaba
Swap Nodes in Pairsmedium-
adobeamazonapple
Search Insert Position in sorted arrayeasy-
adobeamazonapple
First Missing Positivehard-
adobeamazonapple
Permutations of Array 1medium-
adobeamazonapple
Maximum Subarray Summedium
adobealibabaamazon
Merge Overlapping Intervalsmedium
adobealibabaamazon
Binary Tree Inorder Traversaleasy-
alibabaamazonapple
Validate Binary Search Treemedium
adobeamazonapple
Symmetric Binary Treeeasy-
adobealibabaamazon
Binary Tree Level Order Traversal - Level by Levelmedium
adobeamazonapple
Maximum Depth of Binary Treeeasy
adobeamazonapple
Populate next pointer to right node in Perfect Binary Treemedium-
amazonapplebloomberg
Best Time To Buy And Sell Stock 1 - only one transactioneasy
adobeakuna-capitalalibaba
Design LRU Cachemedium-
adobealibabaamazon
Intersection of Two Linked Listseasy-
airbnbalibabaamazon
Binary Tree Right Side Viewmedium-
adobeamazonapple
Minimum Size Subarray Summedium-
amazonapplebloomberg
Product of Array Except Selfmedium
adobeamazonapple
Search a 2D Matrix 2 - Rows and columns are sortedmedium-
adobeamazonapple
Integer to English Wordshard
amazonapplebarclays
Move Zeroes at the end of arrayeasy-
adobeamazonapple
Coin Change with Fewest Number of Coins Given Infinite Supplymedium
adobeaffirmairbnb
Generate Nth Fibonacci Numbereasy
amazonapplebarclays
Maximum Depth of N-ary Treeeasy-
amazonbloomberggoogle
Monotone Increasing Digitsmedium-
amazonsap
Reverse Only Letterseasy-
googlemicrosoftsap
Longest String Chainmedium-
akuna-capitalamazoncitadel
Find the Smallest Divisor Given a Thresholdmedium-
bytedanceexpediasalesforce
Movie Ratingmedium-
sap
Maximum Students Taking Examhard-
sap