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Array (183)Sorting Algorithms (48)Depth First Search (44)Tree (41)Breadth First Search (36)Stack (29)Linked List (28)Recursion (18)Graph Theory (13)Monotonic Stack (10)Queue (7)Shortest Path (3)

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Title	Difficulty	Videos	Companies
Two Sum	easy		adobe aetion affirm
Median of Two Sorted Arrays	hard	-	adobe airbnb alibaba
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
Trapping Rain Water	hard		adobe affirm airbnb
Permutations of Array 1	medium	-	adobe amazon apple
Maximum Subarray Sum	medium		adobe alibaba amazon
Spiral Matrix 1 - Return	medium		adobe amazon apple
Unique Paths in Grid 2 - Count all paths moving right or down with obstacles	medium	-	amazon apple bloomberg
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
2Sum 2 – Input array is sorted	medium		amazon apple bloomberg
House Robber	medium		adobe airbnb amazon
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
Search a 2D Matrix 2 - Rows and columns are sorted	medium	-	adobe amazon apple
Move Zeroes at the end of array	easy	-	adobe amazon apple
Game of Life	medium	-	amazon bloomberg dropbox
Coin Change with Fewest Number of Coins Given Infinite Supply	medium		adobe affirm airbnb
Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed	medium	-	adobe affirm amazon
Daily Temperatures	medium		adobe amazon apple
K closest Points to Origin	medium	-	amazon apple asana
Count Number of Teams	medium		amazon goldman-sachs

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