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57 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
Divide Two Integers	medium	-	adobe amazon apple
Add Two Numbers represented as Linked List in Reversed Order	medium	-	adobe aetion airbnb
Reverse Integer	medium	-	adobe amazon apple
Palindrome Number	easy		adobe amazon apple
Integer To Roman	medium	-	adobe amazon apple
Roman To Integer	easy		adobe amazon apple
Multiply Strings	medium	-	amazon apple expedia
Rotate n x n matrix by 90 degrees	medium		adobe akuna-capital amazon
Implement Power Function 1	medium	-	adobe amazon apple
Kth Permutation Sequence of Numbers 1 to N	hard	-	amazon apple facebook
Unique Paths in Grid 1 - Count all paths moving right or down	medium		adobe alibaba amazon
Plus One 1 - Given number as array plus one	easy	-	adobe amazon apple
Add Binary Strings	easy	-	adobe amazon apple
Square root of an integer	easy	-	amazon apple bloomberg
Climbing Stairs - Take atmost 2 Steps	easy		adobe alibaba amazon
Gray Code	medium	-	amazon apple microsoft
Unique BSTs 1 - Count	medium	-	adobe amazon apple
Maximum Points on a Line	hard	-	amazon apple bloomberg
Fraction to Recurring Decimal	medium	-	airbnb amazon apple
Excel Sheet Column Title	easy	-	adobe apple facebook
Excel Sheet Column Number	easy	-	amazon apple bloomberg
Happy Number	easy	-	adobe airbnb amazon
Count Primes	medium	-	adobe amazon apple
Rectangle Area - Total area of two rectangles	medium	-	apple facebook microsoft
Basic Calculator 2 Problem	medium	-	airbnb amazon apple
Power of Two	easy	-	amazon apple google
Number of Digit One	hard	-	amazon apple
Add Digits in Number	easy	-	adobe apple bloomberg
Missing Number	easy		adobe amazon apple
Integer to English Words	hard		amazon apple barclays
Least Number of Perfect Squares that Sums to n	medium	-	adobe amazon apple
Expression Add Operators	hard	-	apple bytedance facebook
Power of Three	easy	-	apple goldman-sachs google
Integer Break	medium	-	adobe apple google
Sum of Two Integers	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
Fizz Buzz	easy	-	adobe amazon apple
Add Strings	easy	-	adobe airbnb amazon
Add Two Numbers represented as Linked List in Forward order	medium	-	amazon apple bloomberg
Minimum Moves to Equal Array Elements	medium	-	amazon apple coursera
Implement Rand10() Using Rand7()	medium	-	apple bloomberg bytedance
Largest Palindrome Product	hard	-	apple yahoo
Predict the Winner	medium	-	amazon apple google
Generate Nth Fibonacci Number	easy		amazon apple barclays
Random Pick with Weight	medium	-	amazon apple atlassian
Maximum Product of Three Numbers	easy	-	amazon apple bloomberg
Maximum Swap	medium		amazon apple bytedance
Basic Calculator 3	hard	-	amazon apple bytedance

Showing 1 to 50 of 57 results