Snapshot Array |
Medium
|
amazon
apple
ebay
facebook
google
snapchat
uber
|
|
Island Perimeter |
Easy
|
amazon
apple
bloomberg
facebook
google
microsoft
|
|
Minimum Number of Arrows to Burst Balloons |
Medium
|
amazon
facebook
google
microsoft
quora
|
|
Number of Boomerangs |
Medium
|
amazon
google
|
|
Optimal Account Balancing |
Hard
|
amazon
bytedance
google
uber
|
|
All O`one Data Structure |
Hard
|
amazon
bloomberg
facebook
google
linkedin
microsoft
uber
|
|
Find All Duplicates in an Array |
Medium
|
amazon
apple
bloomberg
facebook
google
lyft
microsoft
pocket-gems
|
|
Flatten a Multilevel Doubly Linked List |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
uber
|
|
Maximum XOR of Two Numbers in an Array |
Medium
|
amazon
google
|
|
Strong Password Checker |
Hard
|
adobe
amazon
google
uber
|
|
Add Strings |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
nvidia
oracle
snapchat
square
|
|
Trapping Rain Water 2 |
Hard
|
amazon
apple
bytedance
facebook
google
microsoft
twitter
|
|
Daily Temperatures |
Medium
|
adobe
amazon
apple
bloomberg
cisco
expedia
facebook
goldman-sachs
google
linkedin
microsoft
nvidia
uber
zillow
|
|
Leaf-Similar Trees |
Easy
|
amazon
atlassian
facebook
google
microsoft
|
|
Path Sum 3 - Count paths from parent to child |
Medium
|
amazon
bloomberg
facebook
microsoft
oracle
quora
uber
zillow
|
|
Subarray Sums Divisible by K |
Medium
|
amazon
bytedance
expedia
twilio
yandex
|
|
Hamming Distance |
Easy
|
amazon
facebook
|
|
Maximum Level Sum of a Binary Tree |
Medium
|
amazon
google
|
|
Shortest Path to Get All Keys |
Hard
|
airbnb
amazon
google
|
|
Maximum Subarray Sum |
Medium
|
adobe
alibaba
amazon
apple
asana
atlassian
bloomberg
bytedance
capital-one
cisco
citadel
ebay
expedia
facebook
goldman-sachs
google
ibm
intel
jpmorgan
linkedin
microsoft
morgan-stanley
nvidia
oracle
palantir-technologies
paypal
qualcomm
salesforce
sap
two-sigma
uber
visa
wayfair
yahoo
zillow
|
|
Find the Index of the First Occurrence in a String |
Easy
|
adobe
amazon
apple
bloomberg
citadel
dropbox
ebay
facebook
google
microsoft
oracle
paypal
pocket-gems
vmware
yahoo
yandex
|
|
Time Based Key-Value Store |
Medium
|
amazon
apple
atlassian
databricks
facebook
flexport
google
linkedin
lyft
microsoft
netflix
oracle
square
stripe
sumologic
twitter
uber
vmware
zillow
|
|
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
|
|
Verifying an Alien Dictionary |
Easy
|
airbnb
amazon
facebook
microsoft
|
|
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
|
|
Minimum Genetic Mutation |
Medium
|
amazon
google
twitter
|
|
N-ary Tree Level Order Traversal |
Medium
|
amazon
|
|
N-ary Tree Postorder Traversal |
Easy
|
amazon
|
|
Reverse String 2 |
Easy
|
amazon
google
microsoft
|
|
Find the Town Judge |
Easy
|
amazon
arista
facebook
google
|
|
Bus Routes |
Hard
|
amazon
didi
google
uber
|
|
As Far from Land as Possible |
Medium
|
amazon
uipath
|
|
Shortest Path with Alternating Colors |
Medium
|
amazon
|
|
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
|
|
Minimum Time Difference |
Medium
|
amazon
palantir-technologies
|
|
Orderly Queue |
Hard
|
amazon
|
|
Rotate Function |
Medium
|
amazon
|
|
Online Stock Span |
Medium
|
amazon
google
microsoft
|
|
Most Frequent Subtree Sum |
Medium
|
amazon
apple
|
|
Set Mismatch |
Easy
|
amazon
|
|
Peak Index in a Mountain Array |
Medium
|
amazon
bloomberg
facebook
google
microsoft
quora
uber
|
|
Elimination Game |
Medium
|
amazon
bloomberg
quora
|
|
N-Queens 2 - Count number of distinct solutions |
Hard
|
amazon
zenefits
|
|
Longest Univalue Path |
Medium
|
amazon
apple
google
|
|