| All Elements in Two Binary Search Trees |
Medium
|
amazon
facebook
oracle
|
|
| 24 Game |
Hard
|
amazon
facebook
google
microsoft
twitter
uber
|
|
| Count Different Palindromic Subsequences |
Hard
|
facebook
google
linkedin
pure-storage
|
|
| Flatten 2D Vector |
Medium
|
airbnb
apple
facebook
google
lyft
salesforce
twitter
uber
zenefits
|
|
| Frog Jump |
Hard
|
amazon
apple
bytedance
facebook
google
microsoft
nutanix
oracle
snapchat
|
|
| Number of Longest Increasing Subsequence |
Medium
|
amazon
bloomberg
facebook
|
|
| Queue Reconstruction by Height |
Medium
|
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
|
|
| Two City Scheduling |
Medium
|
amazon
bloomberg
facebook
google
|
|
| Wiggle Sort 2 - No Adjacent Duplicates |
Medium
|
airbnb
akuna-capital
facebook
google
paypal
|
|
| Wiggle Subsequence |
Medium
|
amazon
facebook
uber
|
|
| Range Sum Query 2D - Mutable |
Medium
|
facebook
google
microsoft
|
|
| Super Egg Drop |
Hard
|
facebook
goldman-sachs
google
microsoft
|
|
| Lowest Common Ancestor of Deepest Leaves |
Medium
|
bloomberg
facebook
google
|
|
| Construct Binary Tree from Preorder and Postorder Traversal |
Medium
|
amazon
bloomberg
facebook
google
uber
|
|
| Making A Large Island |
Hard
|
amazon
facebook
google
uber
|
|
| Balance Parentheses with Minimum Insertions and Deletions |
Hard
|
facebook
|
|
| Check if a graph is minimally-connected |
Medium
|
facebook
|
|
| Word Subsets |
Medium
|
amazon
facebook
google
|
|
| Design a Sparse Array |
Easy
|
facebook
|
|
| Find Largest Value in Each Tree Row Problem |
Medium
|
amazon
apple
facebook
linkedin
microsoft
|
|
| Alien Dictionary |
Hard
|
airbnb
amazon
apple
bloomberg
cohesity
doordash
facebook
flipkart
google
microsoft
pinterest
pocket-gems
snapchat
square
twitter
uber
vmware
|
|
| Binary Search Tree BST Operations - Delete |
Medium
|
amazon
apple
bloomberg
cisco
facebook
google
linkedin
microsoft
oracle
uber
yahoo
|
|
| Binary Search Tree BST Operations - Insert |
Medium
|
amazon
atlassian
facebook
google
microsoft
|
|
| Construct Binary Search Tree BST from Preorder Traversal |
Medium
|
amazon
facebook
microsoft
oracle
|
|
| Find a Corresponding Node of a Binary Tree in a Clone of That Tree |
Easy
|
facebook
|
|
| K closest Points to Origin |
Medium
|
amazon
apple
asana
ebay
expedia
facebook
goldman-sachs
google
linkedin
microsoft
oracle
paypal
uber
visa
yahoo
|
|
| Maximum Binary Tree |
Medium
|
amazon
facebook
google
microsoft
|
|
| Non-overlapping Intervals |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
stripe
|
|
| Number of Connected Components in an Undirected Graph |
Medium
|
amazon
facebook
google
linkedin
microsoft
twitter
|
|
| Pacific Atlantic Water Flow |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
oracle
|
|
| Palindromic Substrings |
Medium
|
adobe
amazon
apple
atlassian
citadel
coursera
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
pure-storage
roblox
twitter
uber
vmware
|
|
| Range Sum Query - Immutable |
Easy
|
amazon
bloomberg
facebook
goldman-sachs
google
microsoft
palantir-technologies
|
|
| Sum of Two Integers |
Medium
|
amazon
apple
facebook
google
hulu
|
|
| Task Scheduler |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
nutanix
oracle
pinterest
uber
vmware
|
|
| Top K Frequent Elements |
Medium
|
amazon
apple
bloomberg
bytedance
ebay
facebook
goldman-sachs
google
hulu
linkedin
microsoft
oracle
pocket-gems
snapchat
spotify
uber
vmware
yahoo
yelp
|
|
| Add Bold Tag in String |
Medium
|
facebook
google
wish
|
|
| Apples & Oranges |
Medium
|
facebook
|
|
| Apply Discount Every n Orders |
Medium
|
facebook
|
|
| Check If Word Is Valid After Substitutions |
Medium
|
facebook
nutanix
|
|
| Closest Leaf in a Binary Tree |
Medium
|
amazon
databricks
facebook
google
|
|
| Customers Who Bought Products A and B but Not C |
Medium
|
facebook
|
|
| Debounce |
Medium
|
facebook
|
|
| Equal Tree Partition |
Medium
|
amazon
facebook
|
|
| Exam Room |
Medium
|
amazon
facebook
google
quip
quora
uber
|
|
| Find N Unique Integers Sum up to Zero |
Easy
|
amazon
facebook
microsoft
|
|
| Find the Kth Smallest Sum of a Matrix With Sorted Rows |
Hard
|
facebook
|
|
| Goat Latin |
Easy
|
facebook
square
|
|
| User Activity for the Past 30 Days I |
Easy
|
facebook
|
|
| Valid Palindrome 3 - Is string palindrome after deleting at most k chars |
Hard
|
facebook
google
|
|
| Web Crawler |
Medium
|
amazon
dropbox
facebook
microsoft
oracle
|
|