| Online Majority Element In Subarray | Hard | google
nutanix | |
| Range Sum Query 2D - Mutable | Medium | facebook
google
microsoft | |
| Super Egg Drop | Hard | facebook
goldman-sachs
google
microsoft | |
| Lowest Common Ancestor of Deepest Leaves | Medium | bloomberg
facebook
google | |
| Construct Binary Tree from Preorder and Postorder Traversal | Medium | amazon
bloomberg
facebook
google
uber | |
| Letter Tile Possibilities | Medium | google
microsoft | |
| Product of the Last K Numbers | Medium | google | |
| Making A Large Island | Hard | amazon
facebook
google
uber | |
| Count elements in range in sorted matrix | Hard | google | |
| Longest subarray with distinct elements | Easy | google | |
| Fix the variable capture in closure | Medium | google | |
| Check if any pair of rectangles overlap | Easy | google | |
| Area of intersection of two rectangles | Easy | google | |
| Count Servers that Communicate | Medium | amazon
google | |
| Split string into fewest palindromic substrings | Hard | google | |
| Run a Markov chain and count state visits | Easy | google | |
| Construct Binary Search Tree BST from Postorder Traversal | Medium | google | |
| Sort a linked list in O(n log n) time and constant space | Medium | google | |
| Minimum Cost to Make at Least One Valid Path in a Grid | Hard | google | |
| Decode Base64 String to Hex | Easy | google | |
| Find Closest Coin by Manhattan Distance | Easy | google | |
| Solve System of Linear Addition Equations | Hard | google | |
| Key-Value Store with Max Key Query | Hard | google | |
| Implement Quack Data Structure with Three Stacks | Hard | google | |
| Word Subsets | Medium | amazon
facebook
google | |
| Nearest larger number for index in an array | Medium | google | |
| Smallest set to cover all intervals | Medium | google
microsoft | |
| Check if doubly linked list is palindrome | Easy | google | |
| Alien Dictionary | Hard | airbnb
amazon
apple
bloomberg
cohesity
doordash
facebook
flipkart
google
microsoft
pinterest
pocket-gems
snapchat
square
twitter
uber
vmware | |
| Binary Tree Pruning | Medium | amazon
buffer-box
capital-one
google
hulu
twitter | |
| Delete in a Binary Search Tree | Medium | amazon
apple
bloomberg
cisco
facebook
google
linkedin
microsoft
oracle
uber
yahoo | |
| Find Eventual Safe States | Medium | google | |
| Find K Closest Elements | Medium | amazon
apple
bloomberg
ebay
facebook
google
microsoft
snapchat
uber | |
| Find Leaves of Binary Tree | Medium | amazon
atlassian
ebay
google
linkedin
pocket-gems | |
| Insert into a Binary Search Tree | Medium | amazon
atlassian
facebook
google
microsoft | |
| K closest Points to Origin | Medium | amazon
apple
asana
ebay
expedia
facebook
goldman-sachs
google
linkedin
microsoft
oracle
paypal
uber
visa
yahoo | |
| Largest Divisible Subset | Medium | adobe
amazon
google | |
| Longest Substring with Same Letters after Replacement | Medium | bloomberg
google
pocket-gems | |
| Maximum Binary Tree | Medium | amazon
facebook
google
microsoft | |
| My Calendar 3 | Hard | amazon
google | |
| Non-overlapping Intervals | Medium | amazon
apple
bloomberg
facebook
google
microsoft
stripe | |
| Number of Connected Components in an Undirected Graph | Medium | amazon
facebook
google
linkedin
microsoft
twitter | |
| Pacific Atlantic Water Flow | Medium | amazon
apple
bloomberg
facebook
google
microsoft
oracle | |
| Palindromic Substrings | Medium | adobe
amazon
apple
atlassian
citadel
coursera
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
pure-storage
roblox
twitter
uber
vmware | |
| Plus One 2 - Given number as Linked List plus one | Medium | amazon
google | |
| Power of Three | Easy | apple
goldman-sachs
google
hulu | |
| Range Sum Query - Immutable | Easy | amazon
bloomberg
facebook
goldman-sachs
google
microsoft
palantir-technologies | |
| Rectangle Area 2 | Hard | google
sumologic | |
| Sum of Two Integers | Medium | amazon
apple
facebook
google
hulu | |
| Task Scheduler | Medium | amazon
apple
bloomberg
facebook
google
microsoft
nutanix
oracle
pinterest
uber
vmware | |