| Election Voting Machine Monitor | Easy | uber | |
| Stone Pyramid Construction | Hard | uber | |
| Custom Sort String | Medium | amazon
facebook
google
uber | |
| 24 Game | Hard | amazon
facebook
google
microsoft
twitter
uber | |
| Array of Doubled Pairs | Medium | google
uber | |
| Bomb Enemy | Medium | amazon
google
uber | |
| Construct Quad Tree | Medium | amazon
apple
google
uber | |
| Decode a string to all valid interpretations | Medium | uber | |
| Design Snake Game | Medium | amazon
apple
bloomberg
facebook
google
salesforce
uber
zillow | |
| Dutch National Flag DNF | Medium | amazon
apple
bloomberg
ebay
facebook
google
linkedin
microsoft
oracle
paypal
pocket-gems
pure-storage
uber
vmware
yahoo | |
| 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 | |
| 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 | |
| Logger Rate Limiter | Easy | amazon
apple
atlassian
bloomberg
google
linkedin
microsoft
uber | |
| Longest Increasing Path in a Matrix | Hard | adobe
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
snapchat
uber | |
| Longest increasing subarray | Medium | uber | |
| Maximum Frequency Stack | Hard | amazon
apple
bloomberg
google
microsoft
salesforce
uber | |
| Maximum Length of Pair Chain | Medium | amazon
bloomberg
facebook
uber | |
| Median of K sorted array | Hard | uber | |
| Minimum Score Triangulation of Polygon | Medium | uber | |
| New 21 Game | Medium | apple
google
uber | |
| Number of Islands II | Hard | amazon
facebook
google
microsoft
oracle
snapchat
uber | |
| Palindrome Permutation II | Medium | amazon
google
microsoft
uber | |
| Permutations of an Array of Arrays | Medium | uber | |
| Random Pick with Weight | Medium | amazon
apple
atlassian
doordash
facebook
google
linkedin
microsoft
rubrik
tripadvisor
twitter
two-sigma
uber
wish
yelp | |
| Reaching Points | Hard | coursera
goldman-sachs
google
quora
salesforce
twitter
uber | |
| 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 | |
| Walls and Gates | Medium | amazon
apple
bloomberg
bytedance
facebook
google
microsoft
spotify
uber | |
| Water and Jug | Medium | amazon
google
lyft
microsoft
uber | |
| Wiggle Subsequence | Medium | amazon
facebook
uber | |
| Construct Binary Tree from Preorder and Postorder Traversal | Medium | amazon
bloomberg
facebook
google
uber | |
| Making A Large Island | Hard | amazon
facebook
google
uber | |
| Implement a 2D iterator class | Medium | uber | |
| Length of the longest path in a weighted tree | Hard | uber | |
| Construct K Palindrome Strings | Medium | uber | |
| Alien Dictionary | Hard | airbnb
amazon
apple
bloomberg
cohesity
doordash
facebook
flipkart
google
microsoft
pinterest
pocket-gems
snapchat
square
twitter
uber
vmware | |
| Delete in a Binary Search Tree | Medium | amazon
apple
bloomberg
cisco
facebook
google
linkedin
microsoft
oracle
uber
yahoo | |
| Falling Squares | Hard | amazon
square
uber | |
| Find K Closest Elements | Medium | amazon
apple
bloomberg
ebay
facebook
google
microsoft
snapchat
uber | |
| K closest Points to Origin | Medium | amazon
apple
asana
ebay
expedia
facebook
goldman-sachs
google
linkedin
microsoft
oracle
paypal
uber
visa
yahoo | |
| Palindromic Substrings | Medium | adobe
amazon
apple
atlassian
citadel
coursera
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
pure-storage
roblox
twitter
uber
vmware | |
| Task Scheduler | Medium | amazon
apple
bloomberg
facebook
google
microsoft
nutanix
oracle
pinterest
uber
vmware | |
| Top K Frequent Elements | Medium | amazon
apple
bloomberg
bytedance
ebay
facebook
goldman-sachs
google
hulu
linkedin
microsoft
oracle
pocket-gems
snapchat
spotify
uber
vmware
yahoo
yelp | |
| Exam Room | Medium | amazon
facebook
google
quip
quora
uber | |
| Kth Smallest Number in Multiplication Table | Hard | google
uber | |
| Maximum Vacation Days | Hard | facebook
google
microsoft
uber | |
| Next Closest Time | Medium | adobe
amazon
bytedance
facebook
google
microsoft
uber | |
| Next Greater Node In Linked List | Medium | amazon
facebook
microsoft
uber | |