| Friend Requests II - Who Has the Most Friends |
Medium
|
facebook
|
|
| Get Highest Answer Rate Question |
Medium
|
facebook
|
|
| Binary Tree Longest Consecutive Sequence II |
Medium
|
amazon
apple
facebook
google
|
|
| Construct Binary Tree from String |
Medium
|
amazon
facebook
|
|
| 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
|
|
| Partition Array for Maximum Sum Problem |
Medium
|
facebook
|
|
| Robot Room Cleaner |
Hard
|
amazon
facebook
google
microsoft
|
|
| 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
|
|
| 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
|
|
| Validate Binary Tree Nodes |
Medium
|
facebook
|
|
| Sliding Puzzle |
Hard
|
airbnb
amazon
facebook
google
microsoft
uber
|
|
| Shortest Subarray with Sum at Least K |
Hard
|
amazon
facebook
goldman-sachs
google
|
|
| Remove Sub-Folders from the Filesystem |
Medium
|
amazon
facebook
google
|
|
| Diagonal Traverse |
Medium
|
amazon
apple
ebay
facebook
google
microsoft
quora
splunk
|
|
| Maximum Swap |
Medium
|
amazon
apple
bytedance
facebook
microsoft
uber
|
|
| Maximum Width Ramp |
Medium
|
ebay
facebook
google
|
|
| Minimum Add to Make Parentheses Valid |
Medium
|
amazon
facebook
servicenow
|
|
| Uncommon Words from Two Sentences |
Easy
|
amazon
expedia
facebook
microsoft
|
|
| Conditional selection between x and y with bitwise operations |
Medium
|
facebook
|
|
| Spiral Matrix 3 - Traverse from Given Starting Point |
Medium
|
dataminr
facebook
|
|
| Determining the Existence of a Valid Secret Code in Mastermind Based on Given Guesses and Scores Guesses and Scores |
Medium
|
facebook
|
|
| Make Two Arrays Equal by Reversing Subarrays |
Easy
|
facebook
|
|
| Number of Atoms |
Hard
|
adobe
amazon
bytedance
facebook
google
pinterest
|
|
| Accounts Merge |
Medium
|
amazon
apple
bloomberg
facebook
google
houzz
linkedin
microsoft
oracle
|
|
| Max Stack |
Hard
|
amazon
bloomberg
facebook
google
linkedin
lyft
microsoft
pure-storage
snapchat
twitter
|
|
| Number of Overlapping Lines between points on 2 parallel lines |
Easy
|
amazon
facebook
|
|
| Distribute Coins in Binary Tree |
Medium
|
amazon
facebook
google
microsoft
uber
|
|
| Path with Maximum Gold |
Medium
|
amazon
facebook
goldman-sachs
google
|
|
| Permutations of Array 2 - Array has duplicates |
Medium
|
adobe
amazon
apple
bloomberg
facebook
linkedin
microsoft
uber
vmware
|
|
| Combination Sum 4 - All permutations |
Medium
|
amazon
facebook
google
snapchat
visa
|
|
| Continuous Subarray Sum |
Medium
|
amazon
bytedance
facebook
google
microsoft
samsung
|
|
| Implement Power Function 1 |
Medium
|
adobe
amazon
apple
asana
bloomberg
ebay
facebook
goldman-sachs
google
linkedin
microsoft
morgan-stanley
oracle
uber
vmware
|
|
| Missing Number |
Easy
|
adobe
amazon
apple
arista-networks
bloomberg
facebook
google
ibm
microsoft
oracle
servicenow
vmware
zillow
|
|
| Reverse Integer |
Medium
|
adobe
amazon
apple
barclays
bloomberg
cisco
facebook
google
jpmorgan
lyft
microsoft
netease
oracle
uber
yahoo
|
|
| Palindrome Number |
Easy
|
adobe
amazon
apple
bloomberg
facebook
google
hcl
jpmorgan
microsoft
oracle
yahoo
|
|
| Custom Sort String |
Medium
|
amazon
facebook
google
uber
|
|
| Friend Words - One Edit Distance |
Medium
|
amazon
facebook
google
microsoft
snapchat
twitter
uber
|
|
| Balanced Binary Tree |
Easy
|
adobe
amazon
apple
bloomberg
bytedance
cisco
facebook
google
microsoft
paypal
|
|
| Best Time To Buy And Sell Stock With Cooldown |
Medium
|
amazon
apple
facebook
google
|
|
| Binary Tree Path Sum - Maximum between any two nodes |
Hard
|
adobe
amazon
appdynamics
apple
baidu
bloomberg
bytedance
facebook
google
intuit
microsoft
twitter
uber
vmware
|
|
| Binary Tree Traversal - Zigzag Level Order Traversal |
Medium
|
amazon
apple
bloomberg
bytedance
ebay
facebook
google
linkedin
microsoft
oracle
qualtrics
samsung
servicenow
yahoo
morgan-stanley
|
|
| 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
|
|