All Problems

13 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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TitleDifficultyVideosCompanies
Two Sumeasy
adobeaetionaffirm
Trapping Rain Waterhard-
adobeaffirmairbnb
Group Anagramsmedium
adobeaffirmamazon
Word Ladder 1 - Get Ladder Lengthhard-
affirmamazonapple
Number of Islandsmedium
adobeaffirmalibaba
Kth Smallest Element in a BSTmedium
affirmamazonapple
Coin Change with Fewest Number of Coins Given Infinite Supplymedium
adobeaffirmairbnb
Design Hit Countermedium-
affirmamazonapple
Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowedmedium-
adobeaffirmamazon
Insert Delete Search and GetRandom in Constant Time 2 - Duplicates allowedhard-
affirmamazonapple
Max Area of Islandmedium-
adobeaffirmamazon
Best Time To Buy And Sell Stock with Transaction Feemedium-
affirmamazonbloomberg
Parse Lisp Expressionhard-
affirmgoogle