| Add One Row to Tree Problem |
Medium
|
gilt-groupe
|
|
| Matrix Block Sum Problem |
Medium
|
google
|
|
| Minimum Increment to Make Array Unique |
Medium
|
coursera
ixl
twitter
|
|
| Number of Good Leaf Nodes Pairs Problem |
Medium
|
google
|
|
| Hand of Straights Problem |
Medium
|
bloomberg
coupang
ebay
google
|
|
| Fraction Addition and Subtraction Problem |
Medium
|
goldman-sachs
ixl
|
|
| 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
|
|
| Find Duplicate File in System Problem |
Medium
|
amazon
apple
dropbox
facebook
google
microsoft
oracle
vmware
|
|
| Bag of Tokens |
Medium
|
google
|
|
| Longest Palindrome by Concatenating Two Letter Words Problem |
Medium
|
|
|
| N-ary Tree Level Order Traversal |
Medium
|
amazon
|
|
| Find Closest Node to Given Two Nodes |
Medium
|
|
|
| Most Stones Removed with Same Row or Column Problem |
Medium
|
google
|
|
| 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 Problem |
Medium
|
adobe
amazon
baidu
bloomberg
bytedance
facebook
google
uber
|
|
| Minimum Time Difference Problem |
Medium
|
amazon
palantir-technologies
|
|
| Valid Square Problem |
Medium
|
facebook
google
pure-storage
|
|
| Online Stock Span Problem |
Medium
|
amazon
google
microsoft
|
|
| Count Number of Homogenous Substrings Problem |
Medium
|
|
|
| Game Analysis IV |
Medium
|
facebook
gsn-games
|
|
| Most Frequent Subtree Sum |
Medium
|
amazon
apple
|
|
| Delete the Middle Node of a Linked List Problem |
Medium
|
|
|
| Design Circular Deque Problem |
Medium
|
facebook
|
|
| Image Overlap Problem |
Medium
|
google
|
|
| Peak Index in a Mountain Array |
Medium
|
amazon
bloomberg
facebook
google
microsoft
quora
uber
|
|
| Lexicographical Numbers Problem |
Medium
|
adobe
bloomberg
bytedance
google
|
|
| Mini Parser Problem |
Medium
|
airbnb
google
|
|
| Super Pow |
Medium
|
|
|
| Shortest Way to Form String Problem |
Medium
|
facebook
google
|
|
| Longest Univalue Path |
Medium
|
amazon
apple
google
|
|
| Arrange Given Number To Form The Biggest Number Possible |
Medium
|
uber
|
|
| Minimum Moves to Equal Array Elements |
Medium
|
amazon
apple
coursera
drawbridge
indeed
|
|
| Largest Time for Given Digits Problem |
Medium
|
google
liveramp
|
|
| Next Greater Element 2 |
Medium
|
amazon
bloomberg
facebook
google
microsoft
oracle
yahoo
|
|
| Find the Winner of an Array Game |
Medium
|
|
|
| 132 Pattern Problem |
Medium
|
amazon
facebook
google
oracle
|
|
| Decoded String at Index Problem |
Medium
|
national-instruments
|
|
| Range Addition |
Medium
|
google
|
|
| Nested List Weight Sum 2 |
Medium
|
didi
facebook
linkedin
|
|
| Design Hit Counter |
Medium
|
affirm
amazon
apple
atlassian
bloomberg
bookingcom
dropbox
google
indeed
linkedin
microsoft
netflix
oracle
pinterest
quip
snapchat
uber
visa
yahoo
zillow
|
|
| Managers with at Least 5 Direct Reports Problem |
Medium
|
amazon
bloomberg
|
|
| Reorganize String Problem |
Medium
|
amazon
apple
ebay
facebook
google
microsoft
oracle
qualtrics
tesla
twitch
twitter
uber
ibm
|
|
| Binary Tree Bottom View |
Medium
|
yelp
|
|
| Find Vertical Sum in binary Tree |
Medium
|
|
|
| Count Salary Categories Problem |
Medium
|
|
|
| 01 Matrix |
Medium
|
amazon
apple
google
uber
|
|