| Hand of Straights Problem |
Medium
|
bloomberg
coupang
ebay
google
|
|
| Add to Array-Form of Integer |
Easy
|
facebook
google
|
|
| Fraction Addition and Subtraction Problem |
Medium
|
goldman-sachs
ixl
|
|
| Greatest Common Divisor of Strings Problem |
Easy
|
atlassian
capital-one
|
|
| 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 Problem |
Hard
|
adobe
amazon
bloomberg
databricks
facebook
google
linkedin
microsoft
reddit
samsung
|
|
| 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
|
|
| N-ary Tree Postorder Traversal Problem |
Easy
|
amazon
|
|
| N-ary Tree Preorder Traversal |
Easy
|
|
|
| Reverse String 2 Problem |
Easy
|
amazon
google
microsoft
|
|
| Find Closest Node to Given Two Nodes |
Medium
|
|
|
| Most Stones Removed with Same Row or Column Problem |
Medium
|
google
|
|
| N-th Tribonacci Number Problem |
Easy
|
coursera
facebook
|
|
| Naming a Company Problem |
Hard
|
|
|
| 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
|
|
| Maximum 69 Number Problem |
Easy
|
hrt
|
|
| Minimum Time Difference Problem |
Medium
|
amazon
palantir-technologies
|
|
| Orderly Queue |
Hard
|
amazon
|
|
| Valid Square Problem |
Medium
|
facebook
google
pure-storage
|
|
| Sum of All Odd Length Subarrays |
Easy
|
|
|
| Online Stock Span Problem |
Medium
|
amazon
google
microsoft
|
|
| Count Number of Homogenous Substrings Problem |
Medium
|
|
|
| Game Analysis IV |
Medium
|
facebook
gsn-games
|
|
| Game Play Analysis V |
Hard
|
gsn-games
|
|
| Most Frequent Subtree Sum |
Medium
|
amazon
apple
|
|
| Toeplitz Matrix |
Easy
|
apple
facebook
google
|
|
| 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
|
|
|
| N-Queens 2 - Count number of distinct solutions |
Hard
|
amazon
zenefits
|
|
| Make The String Great Problem |
Easy
|
google
|
|
| Minimum Cost to Move Chips to The Same Position |
Easy
|
morgan-stanley
|
|
| Minimum Subsequence in Non-Increasing Order |
Easy
|
|
|
| Shortest Way to Form String Problem |
Medium
|
facebook
google
|
|
| Find Numbers with Even Number of Digits |
Easy
|
quora
|
|
| Longest Univalue Path |
Medium
|
amazon
apple
google
|
|
| Univalued Binary Tree |
Easy
|
amazon
box
google
oracle
twilio
|
|
| Arrange Given Number To Form The Biggest Number Possible |
|
uber
|
|