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56 problems total

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)

All Topics(4301)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)Algorithms(3945)

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Title	Difficulty	Videos	Companies
Two Sum	easy		adobe aetion affirm
Search in Rotated Sorted Array	medium		adobe alibaba amazon
Find first and last positions of target element in sorted array	medium	-	airbnb amazon apple
Combination Sum 1	medium		airbnb akuna-capital amazon
Combination Sum 2 - Cant Reuse same element	medium	-	adobe amazon apple
Permutations of Array 1	medium	-	adobe amazon apple
Permutations of Array 2 - Array has duplicates	medium	-	adobe amazon apple
Maximum Subarray Sum	medium		adobe alibaba amazon
Spiral Matrix 1 - Return	medium		adobe amazon apple
Merge Overlapping Intervals	medium		adobe alibaba amazon
Insert Interval	medium		adobe amazon apple
Text Justification	hard	-	airbnb amazon apple
Dutch National Flag DNF	medium		amazon apple bloomberg
Word Search 1 - Find if word exists	medium		adobe amazon apple
Merge Two Sorted Arrays	easy	-	adobe amazon apple
Best Time To Buy And Sell Stock 1 - only one transaction	easy		adobe akuna-capital alibaba
Maximum Points on a Line	hard	-	amazon apple bloomberg
Evaluate Reverse Polish Notation	medium	-	amazon atlassian facebook
Maximum Product Subarray	medium		adobe akuna-capital alibaba
Two Sum 3 - Data structure design	easy	-	linkedin
House Robber	medium		adobe airbnb amazon
Number of Islands	medium		adobe affirm alibaba
Kth Largest Element in an Array	medium	-	adobe airbnb alibaba
Product of Array Except Self	medium		adobe amazon apple
Search a 2D Matrix 2 - Rows and columns are sorted	medium	-	adobe amazon apple
Shortest Word Distance 1	easy	-	amazon google linkedin
Shortest Word Distance 2	medium	-	amazon ebay linkedin
Shortest Word Distance 3	medium	-	linkedin
Paint House 1 - N houses with 3 colors with no two adjacent houses with same color color	medium	-	apple linkedin microsoft
Paint House 2 - N houses with k colors with no two adjacent houses with same color color	hard	-	facebook google linkedin
Best Meeting Point	hard	-	amazon facebook google
Sparse Matrix Multiplication	medium	-	amazon apple bloomberg
Coin Change with Fewest Number of Coins Given Infinite Supply	medium		adobe affirm airbnb
Top K Frequent Elements	medium		amazon apple bloomberg
Intersection of Two Arrays 1 - Unique Elements	easy		amazon apple bloomberg
Intersection of Two Arrays 2 - Duplicates allowed	easy	-	amazon apple bloomberg
Design Hit Counter	medium	-	affirm amazon apple
Find K Pairs with Smallest Sums	medium	-	amazon apple facebook
Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed	medium	-	adobe affirm amazon
Insert Delete Search and GetRandom in Constant Time 2 - Duplicates allowed	hard	-	affirm amazon apple
Shuffle an Array	medium	-	amazon apple bloomberg
Random Pick with Weight	medium	-	amazon apple atlassian
Subarray Sum Equals K	medium	-	adobe amazon apple
Can Place Flowers	easy	-	amazon cisco facebook
Valid Triangle Number	medium	-	amazon bloomberg expedia
Exclusive Time of Functions	medium	-	amazon apple facebook
Partition to K Equal Sum Subsets	medium	-	amazon bytedance ebay
Design HashMap	easy	-	adobe amazon apple
Accounts Merge	medium	-	amazon apple bloomberg
Daily Temperatures	medium	-	adobe amazon apple

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