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58 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
Two Sum	easy		adobe aetion affirm
Longest Substring Without Repeating Characters	medium		adobe alation alibaba
Median of Two Sorted Arrays	hard	-	adobe airbnb alibaba
Roman To Integer	easy		adobe amazon apple
3Sum0 - Find three elements in an array that sum to a zero	medium		adobe akuna-capital alibaba
3Sum - Closest	medium	-	adobe amazon apple
Letter Combinations of a Phone Number	medium	-	amazon apple atlassian
Remove Nth Node From End of List	medium		adobe amazon apple
Merge K Sorted Lists	hard		adobe airbnb alibaba
Search in Rotated Sorted Array	medium		adobe alibaba amazon
Trapping Rain Water	hard		adobe affirm airbnb
Wildcard Matching	hard	-	adobe amazon bloomberg
Permutations of Array 1	medium	-	adobe amazon apple
Implement Power Function 1	medium	-	adobe amazon apple
Maximum Subarray Sum	medium		adobe alibaba amazon
Spiral Matrix 1 - Return	medium		adobe amazon apple
Unique Paths in Grid 1 - Count all paths moving right or down	medium		adobe alibaba amazon
Unique Paths in Grid 2 - Count all paths moving right or down with obstacles	medium	-	amazon apple bloomberg
Climbing Stairs - Take atmost 2 Steps	easy		adobe alibaba amazon
Minimum Window Substring	hard		adobe airbnb amazon
Subsets 1	medium		adobe amazon apple
Merge Two Sorted Arrays	easy	-	adobe amazon apple
Decode Ways	medium		adobe amazon apple
Validate Binary Search Tree	medium		adobe amazon apple
Maximum Depth of Binary Tree	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
Linked List Cycle 1 - Detect Cycle	easy		adobe amazon apple
Design LRU Cache	medium	-	adobe alibaba amazon
Min Stack	medium		adobe amazon apple
Intersection of Two Linked Lists	easy	-	airbnb alibaba amazon
2Sum 2 – Input array is sorted	medium		amazon apple bloomberg
House Robber	medium		adobe airbnb amazon
Count Primes	medium	-	adobe amazon apple
Reverse Linked List	easy		adobe alibaba amazon
Minimum Size Subarray Sum	medium	-	amazon apple bloomberg
Kth Largest Element in an Array	medium		adobe airbnb alibaba
Skyline Problem	hard	-	adobe amazon apple
Delete non-tail Node in linked list, Given only access to that Node	medium		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
Reconstruct Itinerary	hard	-	amazon apple bloomberg
Reverse String	easy		adobe amazon apple
Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed	medium	-	adobe affirm amazon
First Unique Character in a String	easy	-	adobe amazon apple
Find anagrams of a string in another string	medium		amazon bloomberg facebook
String Compression	medium	-	akuna-capital amazon apple

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