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Array (1906)Sorting (442)Depth First Search (316)Database (301)Breadth First Search (241)Tree (241)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)

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Title	Difficulty	Videos	Companies
Two Sum	easy		adobe aetion affirm
Median of Two Sorted Arrays	hard	-	adobe airbnb alibaba
Container With Most Water	medium		adobe amazon apple
3Sum0 - Find three elements in an array that sum to a zero	medium		adobe akuna-capital alibaba
3Sum - Closest	medium	-	adobe amazon apple
Search in Rotated Sorted Array	medium		adobe alibaba amazon
Combination Sum 1	medium		airbnb akuna-capital amazon
Trapping Rain Water	hard		adobe affirm airbnb
Permutations of Array 1	medium	-	adobe amazon apple
Group Anagrams	medium		adobe affirm amazon
Maximum Subarray Sum	medium		adobe alibaba amazon
Spiral Matrix 1 - Return	medium		adobe amazon apple
Merge Overlapping Intervals	medium		adobe alibaba amazon
Unique Paths in Grid 2 - Count all paths moving right or down with obstacles	medium	-	amazon apple bloomberg
Minimum Path Sum in matrix	medium	-	adobe amazon apple
Subsets 1	medium		adobe amazon apple
Merge Two Sorted Arrays	easy	-	adobe amazon apple
Pascal’s Triangle 1 - Generate first n rows	easy	-	adobe amazon apple
Pascal’s Triangle 2 - Return nth row	easy	-	amazon goldman-sachs google
Minimum Triangle path sum from top to bottom	medium	-	amazon apple bloomberg
Best Time To Buy And Sell Stock 1 - only one transaction	easy		adobe akuna-capital alibaba
Best Time To Buy And Sell Stock 2 - Any number of times	medium	-	adobe amazon apple
Find Minimum in Rotated Sorted Array	medium		amazon apple bloomberg
2Sum 2 – Input array is sorted	medium		amazon apple bloomberg
Rotate an Array to Right	medium	-	amazon bloomberg cisco
House Robber	medium		adobe airbnb amazon
Number of Islands	medium		adobe affirm alibaba
Count Primes	medium	-	adobe amazon apple
Minimum Size Subarray Sum	medium	-	amazon apple bloomberg
Kth Largest Element in an Array	medium	-	adobe airbnb alibaba
Skyline Problem	hard	-	adobe amazon apple
Product of Array Except Self	medium		adobe amazon apple
Search a 2D Matrix 2 - Rows and columns are sorted	medium	-	adobe amazon apple
Maximum Intervals Overlap Count	medium		amazon apple atlassian
Move Zeroes at the end of array	easy	-	adobe amazon apple
Game of Life	medium	-	amazon bloomberg dropbox
Range Sum Query - Immutable	easy	-	amazon bloomberg facebook
Shortest Distance from All Buildings	hard	-	amazon bytedance facebook
Coin Change with Fewest Number of Coins Given Infinite Supply	medium		adobe affirm airbnb
Top K Frequent Elements	medium		amazon apple bloomberg
Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed	medium	-	adobe affirm amazon
Longest Word in Dictionary through Deleting	medium	-	goldman-sachs google
K-diff Pairs in an Array	medium	-	amazon bloomberg goldman-sachs
Subarray Sum Equals K	medium	-	adobe amazon apple
Maximum Product of Three Numbers	easy	-	amazon apple bloomberg
Design HashMap	easy	-	adobe amazon apple
Longest Word in Dictionary	medium	-	amazon goldman-sachs google
Remove Comments	medium	-	databricks goldman-sachs google
Find Pivot Index	easy	-	amazon apple bloomberg
Daily Temperatures	medium	-	adobe amazon apple

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