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40 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
Find the nth sevenish number	easy	-	zillow
Two Sum	easy		adobe aetion affirm
Longest Substring Without Repeating Characters	medium		adobe alation alibaba
Median of Two Sorted Arrays	hard	-	adobe airbnb alibaba
Convert String to Integer atoi	medium	-	adobe amazon apple
Roman To Integer	easy		adobe amazon apple
Valid Parentheses	easy		adobe airbnb akuna-capital
Maximum coins from top-left to bottom-right with right or down moves	medium	-	zillow
Merge K Sorted Lists	hard		adobe airbnb alibaba
Search in Rotated Sorted Array	medium		adobe alibaba amazon
Multiply Strings	medium	-	amazon apple expedia
Maximum Subarray Sum	medium		adobe alibaba amazon
Ternary Search Tree Implementation	easy	-	zillow
Word Search 1 - Find if word exists	medium		adobe amazon apple
Path Sum 1 - Check if root to leaf path exists	easy	-	adobe amazon apple
Path Sum 2 - find all root to leaf paths	medium	-	adobe amazon apple
Best Time To Buy And Sell Stock 1 - only one transaction	easy		adobe akuna-capital alibaba
Word Ladder 1 - Get Ladder Length	hard	-	affirm amazon apple
Word Break 1 - Check if word is breakable	medium		adobe amazon apple
Word Break 2 - Construct a sentence	hard		amazon apple audible
Design LRU Cache	medium	-	adobe alibaba amazon
Evaluate Reverse Polish Notation	medium	-	amazon atlassian facebook
Reverse Words in a String	medium	-	amazon apple bloomberg
Word Search 2 - Return All Words	hard		airbnb amazon apple
Lowest Common Ancestor of a Binary Tree	medium		adobe airbnb amazon
Missing Number	easy		adobe amazon apple
Integer to English Words	hard		amazon apple barclays
Move Zeroes at the end of array	easy	-	adobe amazon apple
Inorder Successor in Binary Search Tree	medium	-	amazon bloomberg citadel
Game of Life	medium	-	amazon bloomberg dropbox
Bulls and Cows	medium	-	airbnb amazon google
Design Snake Game	medium	-	amazon apple bloomberg
Design Hit Counter	medium	-	affirm amazon apple
First Unique Character in a String	easy	-	adobe amazon apple
Path Sum 3 - Count paths from parent to child	medium	-	amazon bloomberg facebook
String Compression	medium	-	akuna-capital amazon apple
Serialize and Deserialize Binary Search Tree BST	medium	-	amazon bytedance ebay
Max Area of Island	medium	-	adobe affirm amazon
Daily Temperatures	medium	-	adobe amazon apple
Time Based Key-Value Store	medium	-	amazon apple atlassian

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