| Dodgeball Team Division | Hard | twitter | |
| 24 Game | Hard | amazon
facebook
google
microsoft
twitter
uber | |
| Design Twitter (Data Structure Design) | Medium | amazon
doordash
oracle
twitter
yelp | |
| 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 | |
| License Key Formatting | Easy | google
twitter | |
| Minimum Number of Taps to Open to Water a Garden | Hard | akuna-capital
google
twitter | |
| Network Delay Time | Medium | akuna-capital
amazon
google
microsoft
twitter | |
| Number of Music Playlists | Hard | coursera
google
twitter
apple | |
| 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 | |
| Permutation of Array using given order | Easy | twitter | |
| 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 | |
| Number of Connected Components in an Undirected Graph | Medium | amazon
facebook
google
linkedin
microsoft
twitter | |
| Palindromic Substrings | Medium | adobe
amazon
apple
atlassian
citadel
coursera
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
pure-storage
roblox
twitter
uber
vmware | |
| Robot Bounded In Circle | Medium | airbnb
goldman-sachs
paypal
qualtrics
twitter | |
| Count Student Number in Departments | Medium | twitter | |
| Design Log Storage System | Medium | amazon
google
snapchat
twitter | |
| Investments in 2016 | Medium | twitter | |
| K-diff Pairs in an Array | Medium | amazon
bloomberg
goldman-sachs
microsoft
oracle
paypal
salesforce
twilio
twitter | |
| Masking Personal Information | Medium | twitter | |
| Minimum Number of Steps to Make Two Strings Anagram | Medium | bloomberg
twitter | |
| Tree Node Leetcode Database Problem | Medium | twitter | |
| Tweet Counts Per Frequency | Medium | twitter | |
| Rectangles Area | Medium | twitter | |
| The Maze 1 - Can the Ball Stop at Destination | Medium | amazon
apple
facebook
google
microsoft
twitter
uber | |
| Design log Order records | Easy | twitter
amazon | |
| Max Stack | Hard | amazon
bloomberg
facebook
google
linkedin
lyft
microsoft
pure-storage
snapchat
twitter | |
| Maximum Points on a Line | Hard | amazon
apple
bloomberg
directi
google
inmobi
linkedin
microsoft
tripadvisor
twitter
uber | |
| Friend Words - One Edit Distance | Medium | amazon
facebook
google
microsoft
snapchat
twitter
uber | |
| Binary Tree Path Sum - Maximum between any two nodes | Hard | adobe
amazon
appdynamics
apple
baidu
bloomberg
bytedance
facebook
google
intuit
microsoft
twitter
uber
vmware | |
| Construct Binary Tree from Inorder and Postorder Traversal | Medium | amazon
bloomberg
facebook
google
mathworks
microsoft
twitter | |
| Construct Binary Tree from Inorder and Preorder Traversal | Medium | adobe
amazon
apple
bloomberg
bytedance
citadel
facebook
google
microsoft
oracle
square
twitter
yahoo | |
| Find Median from Data Stream | Hard | adobe
amazon
apple
atlassian
bloomberg
bytedance
citadel
ebay
expedia
facebook
goldman-sachs
google
microsoft
netflix
oracle
pinterest
qualtrics
salesforce
snapchat
twitter
uber
vmware
yahoo | |
| Kth Permutation Sequence of Numbers 1 to N | Hard | amazon
apple
facebook
google
microsoft
twitter
yahoo | |
| Largest Rectangle in Histogram | Hard | adobe
amazon
bloomberg
facebook
flipkart
google
microsoft
twitter | |
| Merge K Sorted Lists | Hard | adobe
airbnb
alibaba
amazon
apple
atlassian
audible
bloomberg
box
bytedance
cisco
cohesity
cruise-automation
ebay
facebook
goldman-sachs
google
indeed
ixl
linkedin
lyft
mathworks
microsoft
nvidia
oracle
salesforce
sap
tableau
twitter
uber
vmware
wish
yahoo
yandex
zillow | |
| Range Sum Query – Mutable | Medium | amazon
facebook
google
twitter | |
| Sort Characters By Frequency | Medium | amazon
bloomberg
expedia
facebook
google
linkedin
uber
twitter | |
| Strobogrammatic Number 2 - Generate for length n | Medium | cisco
facebook
google
twitter | |
| Valid Sudoku | Medium | adobe
amazon
apple
bloomberg
cruise-automation
doordash
facebook
google
microsoft
oracle
pinterest
roblox
salesforce
snapchat
twitter
uber
vmware | |
| Word Break 2 - Construct a sentence | Hard | amazon
apple
audible
bloomberg
bookingcom
dropbox
ebay
facebook
google
microsoft
oracle
pinterest
snapchat
twitter
uber
zillow | |
| Validate IP Address | Medium | amazon
cisco
facebook
google
microsoft
twitter
uber | |
| Binary Gap | Easy | ebay
twitter | |
| Design Skiplist | Hard | ebay
google
microsoft
pure-storage
twitter | |
| Number of Provinces | Medium | adobe
amazon
atlassian
bloomberg
drawbridge
ebay
facebook
goldman-sachs
google
linkedin
microsoft
pocket-gems
salesforce
twitter
two-sigma
uber | |
| Trapping Rain Water 2 | Hard | amazon
apple
bytedance
facebook
google
microsoft
twitter | |
| Time Based Key-Value Store | Medium | amazon
apple
atlassian
databricks
facebook
flexport
google
linkedin
lyft
microsoft
netflix
oracle
square
stripe
sumologic
twitter
uber
vmware
zillow | |
| Minimum Increment to Make Array Unique | Medium | coursera
ixl
twitter | |