| Unique Morse Code Words |
Easy
|
apple
google
|
|
| Valid Mountain Array |
Easy
|
google
uber
|
|
| Find Root of N-Ary Tree |
Medium
|
google
|
|
| Guess the Majority in a Hidden Array |
Medium
|
google
|
|
| Move Sub-Tree of N-Ary Tree |
Hard
|
google
|
|
| Design A Leaderboard |
Medium
|
amazon
bloomberg
google
wayfair
|
|
| Remove Interval |
Medium
|
google
|
|
| Tree Diameter |
Medium
|
amazon
facebook
google
|
|
| Meeting Scheduler |
Medium
|
amazon
apple
doordash
google
microsoft
paypal
pramp
uber
|
|
| Design Bounded Blocking Queue |
Medium
|
amazon
bloomberg
cloudera
google
linkedin
microsoft
oracle
uber
|
|
| Minimum Time to Build Blocks |
Hard
|
google
|
|
| Optimize Water Distribution in a Village |
Hard
|
google
yahoo
|
|
| Single-Row Keyboard |
Easy
|
google
|
|
| String Transforms Into Another String |
Hard
|
amazon
google
|
|
| All Paths from Source Lead to Destination |
Medium
|
amazon
google
|
|
| Campus Bikes |
Medium
|
amazon
bytedance
facebook
google
|
|
| Confusing Number |
Easy
|
google
|
|
| Missing Element in Sorted Array |
Medium
|
amazon
apple
bloomberg
facebook
google
lyft
|
|
| Similar RGB Color |
Easy
|
google
|
|
| Split BST |
Medium
|
amazon
coupang
facebook
google
|
|
| Candy Crush |
Medium
|
bloomberg
facebook
google
rubrik
twitch
|
|
| Search in a Sorted Array of Unknown Size |
Medium
|
amazon
ebay
google
microsoft
|
|
| K Empty Slots |
Hard
|
amazon
google
microsoft
|
|
| Remove 9 |
Hard
|
google
houzz
|
|
| Design Compressed String Iterator |
Easy
|
amazon
google
|
|
| Kill Process |
Medium
|
amazon
apple
bloomberg
google
|
|
| Median Employee Salary |
Hard
|
google
|
|
| Longest Line of Consecutive One in Matrix |
Medium
|
google
|
|
| Binary Tree Longest Consecutive Sequence II |
Medium
|
amazon
apple
facebook
google
|
|
| Lonely Pixel I |
Medium
|
google
|
|
| Find Permutation |
Medium
|
google
|
|
| Smallest Good Base Problem |
Hard
|
google
|
|
| Brick Wall |
Medium
|
adobe
bloomberg
facebook
google
oracle
|
|
| Diameter Of a N-Ary Tree |
Medium
|
facebook
google
|
|
| Is Graph Bipartite |
Medium
|
amazon
dropbox
ebay
facebook
google
linkedin
liveramp
microsoft
uber
|
|
| Minimize Malware Spread |
Hard
|
amazon
bloomberg
dropbox
google
|
|
| Range Module |
Hard
|
amazon
coupang
google
linkedin
machine-zone
oracle
|
|
| Rectangle Overlap |
Easy
|
adobe
amazon
apple
bloomberg
goldman-sachs
google
mathworks
microsoft
oracle
|
|
| Reverse Pairs |
Hard
|
amazon
bytedance
google
microsoft
uber
|
|
| Robot Room Cleaner |
Hard
|
amazon
facebook
google
microsoft
|
|
| Shortest Unique Prefix |
Medium
|
google
square
|
|
| Subarray Product Less Than K |
Medium
|
akuna-capital
atlassian
coursera
expedia
google
yatra
|
|
| Target Sum |
Medium
|
facebook
google
microsoft
|
|
| The Maze 1 |
Medium
|
amazon
apple
facebook
google
microsoft
twitter
uber
|
|
| The Maze 2 |
Medium
|
amazon
facebook
google
netease
oracle
|
|
| The Maze 3 |
Hard
|
google
|
|
| Binary Tree Path - All root to leaf paths |
Easy
|
adobe
amazon
apple
facebook
google
microsoft
|
|
| Closest Binary Search Tree Value |
Easy
|
amazon
bloomberg
facebook
google
linkedin
microsoft
snapchat
|
|
| Closest Binary Search Tree Value II |
Hard
|
amazon
facebook
forusall
google
linkedin
|
|
| Employee Free Time |
Hard
|
airbnb
amazon
bloomberg
coupang
doordash
facebook
google
intuit
microsoft
pinterest
postmates
uber
wayfair
|
|