| Add to Array-Form of Integer |
Easy
|
facebook
google
|
|
| Maximum Difference Between Node and Ancestor |
Medium
|
amazon
facebook
google
|
|
| Convert Binary Search Tree to Sorted Doubly Linked List |
Medium
|
amazon
bloomberg
databricks
facebook
google
lyft
microsoft
oracle
uber
vmware
|
|
| Deepest Leaves Sum |
Medium
|
google
|
|
| Sparse Matrix Multiplication |
Medium
|
amazon
apple
bloomberg
facebook
google
linkedin
microsoft
snapchat
uber
|
|
| Vertical Order Traversal of a Binary Tree |
Hard
|
adobe
amazon
bloomberg
databricks
facebook
google
linkedin
microsoft
reddit
samsung
|
|
| Find Duplicate File in System |
Medium
|
amazon
apple
dropbox
facebook
google
microsoft
oracle
vmware
|
|
| Bag of Tokens |
Medium
|
google
|
|
| Minimum Genetic Mutation |
Medium
|
amazon
google
twitter
|
|
| Reverse String 2 |
Easy
|
amazon
google
microsoft
|
|
| Find the Town Judge |
Easy
|
amazon
arista
facebook
google
|
|
| Most Stones Removed with Same Row or Column |
Medium
|
google
|
|
| Bus Routes |
Hard
|
amazon
didi
google
uber
|
|
| Battleships in a Board |
Medium
|
amazon
apple
facebook
google
microsoft
|
|
| Evaluate Division |
Medium
|
adobe
amazon
bloomberg
facebook
google
microsoft
uber
|
|
| Integer Replacement |
Medium
|
amazon
baidu
bloomberg
google
microsoft
|
|
| Longest Substring with At Least K Repeating Characters |
Medium
|
adobe
amazon
baidu
bloomberg
bytedance
facebook
google
uber
|
|
| Nth Digit |
Medium
|
facebook
google
|
|
| Perfect Rectangle |
Hard
|
apple
google
uber
|
|
| Valid Square |
Medium
|
facebook
google
pure-storage
|
|
| Online Stock Span |
Medium
|
amazon
google
microsoft
|
|
| Toeplitz Matrix |
Easy
|
apple
facebook
google
|
|
| Image Overlap |
Medium
|
google
|
|
| Peak Index in a Mountain Array |
Medium
|
amazon
bloomberg
facebook
google
microsoft
quora
uber
|
|
| Design Phone Directory |
Medium
|
dropbox
google
microsoft
|
|
| Lexicographical Numbers |
Medium
|
adobe
bloomberg
bytedance
google
|
|
| Mini Parser |
Medium
|
airbnb
google
|
|
| Make The String Great |
Easy
|
google
|
|
| Shortest Way to Form String |
Medium
|
facebook
google
|
|
| Longest Univalue Path |
Medium
|
amazon
apple
google
|
|
| Univalued Binary Tree |
Easy
|
amazon
box
google
oracle
twilio
|
|
| Valid Boomerang |
Easy
|
google
|
|
| Largest Time for Given Digits |
Medium
|
google
liveramp
|
|
| Next Greater Element 2 |
Medium
|
amazon
bloomberg
facebook
google
microsoft
oracle
yahoo
|
|
| Backspace String Compare |
Easy
|
amazon
atlassian
facebook
google
microsoft
oracle
uber
|
|
| 132 Pattern |
Medium
|
amazon
facebook
google
oracle
|
|
| Find the Difference |
Easy
|
adobe
amazon
google
|
|
| Range Addition |
Medium
|
google
|
|
| Valid Perfect Square |
Easy
|
amazon
facebook
google
linkedin
microsoft
|
|
| Design Hit Counter |
Medium
|
affirm
amazon
apple
atlassian
bloomberg
bookingcom
dropbox
google
indeed
linkedin
microsoft
netflix
oracle
pinterest
quip
snapchat
uber
visa
yahoo
zillow
|
|
| Rearrange String k Distance Apart |
Hard
|
amazon
ebay
facebook
google
microsoft
|
|
| Reorganize String |
Medium
|
amazon
apple
ebay
facebook
google
microsoft
oracle
qualtrics
tesla
twitch
twitter
uber
ibm
flexport
|
|
| 01 Matrix |
Medium
|
amazon
apple
google
uber
|
|
| Flatten Nested List Iterator |
Medium
|
airbnb
amazon
apple
atlassian
bloomberg
ebay
facebook
google
linkedin
lyft
microsoft
oracle
pinterest
snapchat
splunk
twitter
uber
vmware
|
|
| Smallest Rectangle Enclosing Black Pixels |
Hard
|
google
|
|
| Unique Word Abbreviation |
Medium
|
google
|
|
| Shortest Word Distance 1 |
Easy
|
amazon
google
linkedin
microsoft
oracle
paypal
uber
vmware
|
|
| Android Unlock Patterns |
Medium
|
amazon
apple
bytedance
google
microsoft
uber
|
|
| Intersection of Two Arrays 2 - Duplicates allowed |
Easy
|
amazon
apple
bloomberg
bytedance
databricks
facebook
google
linkedin
microsoft
oracle
salesforce
uber
yandex
|
|
| Intersection of Two Arrays 1 - Unique Elements |
Easy
|
amazon
apple
bloomberg
bytedance
facebook
google
indeed
jpmorgan
linkedin
lyft
microsoft
oracle
two-sigma
uber
yelp
|
|