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33 problems total

Array (176)Sorting (46)Depth First Search (44)Tree (41)Breadth First Search (35)Stack (29)Linked List (28)Recursion (18)Graph Theory (12)Monotonic Stack (10)Queue (7)Shortest Path (2)

All Topics(4301)Bash(0)Database(0)Java(0)Javascript(0)Networking(0)Object Oriented Design(1)Programming Languages(0)SQL(0)System Design(0)Algorithms(525)

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Title	Difficulty	Videos	Companies
Autocomplete Suggestion System	medium	-	twitter
Two Sum	easy		adobe aetion affirm
Regular Expression Matching	hard	-	adobe airbnb alibaba
Integer To Roman	medium	-	adobe amazon apple
Merge K Sorted Lists	hard		adobe airbnb alibaba
Trapping Rain Water	hard		adobe affirm airbnb
Wildcard Matching	hard	-	adobe amazon bloomberg
Insert Interval	medium		adobe amazon apple
Kth Permutation Sequence of Numbers 1 to N	hard	-	amazon apple facebook
Minimum Window Substring	hard		adobe airbnb amazon
Largest Rectangle in Histogram	hard		adobe amazon bloomberg
Decode Ways	medium		adobe amazon apple
Construct Binary Tree from Inorder and Postorder Traversal	medium	-	amazon bloomberg facebook
Pascal’s Triangle 1 - Generate first n rows	easy	-	adobe 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
Majority Element - Boyer–Moore majority vote algorithm	easy	-	adobe amazon apple
Happy Number	easy	-	adobe airbnb amazon
Reverse Linked List	easy		adobe alibaba amazon
Course Schedule 2 - Get Ordered Courses	medium	-	airbnb amazon apple
Skyline Problem	hard	-	adobe amazon apple
Lowest Common Ancestor of a Binary Search Tree	medium		adobe amazon bloomberg
Sliding Window Maximum	hard		adobe alibaba amazon
Strobogrammatic Number 2 - Generate for length n	medium	-	cisco facebook google
Kth Smallest Element in a Sorted Matrix	medium	-	adobe amazon apple
Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed	medium	-	adobe affirm amazon
The Maze 1 - Can the Ball Stop at Destination	medium	-	amazon apple facebook
Single Element in a Sorted Array	medium	-	amazon apple atlassian
Palindromic Substrings	medium		adobe amazon apple
Max Stack	hard	-	amazon bloomberg facebook
Reaching Points	hard	-	coursera goldman-sachs google
Lowest Common Ancestor of a Binary Tree 3 - Given Parent Pointer	medium	-	facebook twitter

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