| Next Bigger Integer with Same Number of 1-Bits |
Medium
|
facebook
|
|
| Implement Elo Rating System |
Medium
|
facebook
|
|
| Qux Color Transformation |
Medium
|
facebook
|
|
| Minimum and Maximum in an array with Optimal Comparisons |
Medium
|
facebook
|
|
| All Elements in Two Binary Search Trees |
Medium
|
amazon
facebook
oracle
|
|
| 24 Game |
Hard
|
amazon
facebook
google
microsoft
twitter
uber
|
|
| Bulb Switcher |
Medium
|
amazon
facebook
mathworks
|
|
| Count Different Palindromic Subsequences |
Hard
|
facebook
google
linkedin
pure-storage
|
|
| Data Stream as Disjoint Intervals |
Hard
|
amazon
facebook
google
oracle
|
|
| Design Snake Game |
Medium
|
amazon
apple
bloomberg
facebook
google
salesforce
uber
zillow
|
|
| Find if there is a path between two vertices in a directed graph |
Easy
|
google
facebook
amazon
microsoft
|
|
| Find K Pairs with Smallest Sums |
Medium
|
amazon
apple
facebook
google
linkedin
microsoft
uber
|
|
| Flatten 2D Vector |
Medium
|
airbnb
apple
facebook
google
lyft
salesforce
twitter
uber
zenefits
|
|
| Frog Jump |
Hard
|
amazon
apple
bytedance
facebook
google
microsoft
nutanix
oracle
snapchat
|
|
| Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed |
Medium
|
adobe
affirm
amazon
appdynamics
apple
bloomberg
databricks
facebook
flipkart
goldman-sachs
google
indeed
linkedin
microsoft
oracle
pinterest
pocket-gems
pure-storage
quora
salesforce
twilio
twitter
two-sigma
uber
visa
vmware
yandex
yelp
|
|
| Insert Delete Search and GetRandom in Constant Time 2 - Duplicates allowed |
Hard
|
affirm
amazon
apple
databricks
facebook
google
linkedin
microsoft
uber
yelp
|
|
| Largest Plus Sign |
Medium
|
facebook
google
|
|
| Letter Case Permutation |
Medium
|
amazon
bloomberg
facebook
microsoft
spotify
yelp
|
|
| Longest Increasing Path in a Matrix |
Hard
|
adobe
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
snapchat
uber
|
|
| Max Sum of Rectangle No Larger Than K |
Hard
|
facebook
google
|
|
| Maximum Length of Pair Chain |
Medium
|
amazon
bloomberg
facebook
uber
|
|
| Minimum Swaps To Make Sequences Increasing |
Hard
|
amazon
facebook
google
|
|
| Minimum Time to Collect All Apples in a Tree |
Medium
|
facebook
|
|
| Number of Islands II |
Hard
|
amazon
facebook
google
microsoft
oracle
snapchat
uber
|
|
| Number of Longest Increasing Subsequence |
Medium
|
amazon
bloomberg
facebook
|
|
| Number of Ways to Rearrange Sticks With K Sticks Visible |
Hard
|
facebook
|
|
| Queue Reconstruction by Height |
Medium
|
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
|
|
| Random Pick with Weight |
Medium
|
amazon
apple
atlassian
doordash
facebook
google
linkedin
microsoft
rubrik
tripadvisor
twitter
two-sigma
uber
wish
yelp
|
|
| Rearranging Array Elements by Index Mapping |
Medium
|
facebook
|
|
| Remove All Adjacent Duplicates in String 2 |
Medium
|
bloomberg
facebook
factset
goldman-sachs
google
vmware
|
|
| Shortest Bridge |
Medium
|
facebook
google
mckinsey
microsoft
uber
|
|
| Shortest Distance from All Buildings |
Hard
|
amazon
bytedance
facebook
goldman-sachs
google
mathworks
microsoft
snapchat
splunk
uber
zenefits
|
|
| Shuffle an Array |
Medium
|
amazon
apple
bloomberg
cisco
facebook
google
linkedin
microsoft
salesforce
tripadvisor
two-sigma
yahoo
|
|
| Smallest Range Covering Elements from K Lists |
Hard
|
amazon
apple
facebook
google
lyft
microsoft
pinterest
snapchat
|
|
| Sort Array By Parity |
Easy
|
amazon
apple
cisco
facebook
google
microsoft
oracle
vmware
|
|
| Sort Transformed Array |
Medium
|
facebook
google
|
|
| Swim in Rising Water |
Hard
|
facebook
google
|
|
| Third Maximum Number |
Easy
|
amazon
bloomberg
facebook
google
microsoft
|
|
| Two City Scheduling |
Medium
|
amazon
bloomberg
facebook
google
|
|
| Walls and Gates |
Medium
|
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
spotify
uber
|
|
| Wiggle Sort 2 - No Adjacent Duplicates |
Medium
|
airbnb
akuna-capital
facebook
google
paypal
|
|
| Wiggle Subsequence |
Medium
|
amazon
facebook
uber
|
|
| 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
|
|
| Making A Large Island |
Hard
|
amazon
facebook
google
uber
|
|
| Balance Parentheses with Minimum Insertions and Deletions |
Hard
|
facebook
|
|
| Check if a graph is minimally-connected |
Medium
|
facebook
|
|
| Validate Mastermind Game Guesses |
Medium
|
facebook
|
|