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30 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)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)Algorithms(3944)

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Title	Difficulty	Videos	Companies
2-CNF Boolean Satisfiability Problem	hard	-	dropbox
Approximate Median in Sub-linear Time	medium	-	dropbox
Check if words chain to form a circle	medium	-	dropbox
Find the Index of the First Occurrence in a String	easy	-	adobe amazon apple
Two Sum	easy		adobe aetion affirm
Median of Two Sorted Arrays	hard	-	adobe airbnb alibaba
Letter Combinations of a Phone Number	medium	-	amazon apple atlassian
Second largest element in binary search tree	medium	-	dropbox
Substring with Concatenation of All Words	hard	-	adobe amazon apple
Sudoku Solver	hard	-	adobe amazon apple
Minimum Path Sum in matrix	medium	-	adobe amazon apple
Word Break 2 - Construct a sentence	hard		amazon apple audible
Design LRU Cache	medium	-	adobe alibaba amazon
Excel Sheet Column Number	easy	-	amazon apple bloomberg
Game of Life	medium	-	amazon bloomberg dropbox
Word Pattern 1	easy	-	amazon capital-one dropbox
Word Pattern 2	medium	-	dropbox facebook pony-ai
Design Hit Counter	medium	-	affirm amazon apple
Design Phone Directory	medium	-	dropbox google microsoft
Find Duplicate File in System	medium	-	amazon apple dropbox
Design Search Autocomplete System	hard	-	amazon apple bloomberg
Is Graph Bipartite	medium	-	amazon dropbox ebay
Minimize Malware Spread	hard	-	amazon bloomberg dropbox
Minimize Malware Spread 2	hard	-	dropbox
Grid Illumination	hard	-	dropbox
Pairs of Songs With Total Durations Divisible by 60	medium	-	adobe amazon citrix
Number of Valid Words for Each Puzzle	hard	-	dropbox
Web Crawler	medium	-	amazon dropbox facebook
Web Crawler Multithreaded	medium	-	amazon databricks dropbox
Check If It Is a Good Array	hard	-	dropbox

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