| 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 Problem |
Medium
|
amazon
apple
atlassian
databricks
facebook
flexport
google
linkedin
lyft
microsoft
netflix
oracle
square
stripe
sumologic
twitter
uber
vmware
zillow
|
|
| Maximum Sum of 3 Non-Overlapping Subarrays |
Hard
|
facebook
google
|
|
| 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
|
|
| 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
|
|
| N-th Tribonacci Number Problem |
Easy
|
coursera
facebook
|
|
| Evaluate Division |
Medium
|
adobe
amazon
bloomberg
facebook
google
microsoft
uber
|
|
| Longest Substring with At Least K Repeating Characters Problem |
Medium
|
adobe
amazon
baidu
bloomberg
bytedance
facebook
google
uber
|
|
| Valid Square Problem |
Medium
|
facebook
google
pure-storage
|
|
| Game Analysis IV |
Medium
|
facebook
gsn-games
|
|
| Toeplitz Matrix |
Easy
|
apple
facebook
google
|
|
| Design Circular Deque Problem |
Medium
|
facebook
|
|
| Peak Index in a Mountain Array |
Medium
|
amazon
bloomberg
facebook
google
microsoft
quora
uber
|
|
| Shortest Way to Form String Problem |
Medium
|
facebook
google
|
|
| 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 Problem |
Medium
|
amazon
facebook
google
oracle
|
|
| Valid Perfect Square Problem |
Easy
|
amazon
facebook
google
linkedin
microsoft
|
|
| Nested List Weight Sum 2 |
Medium
|
didi
facebook
linkedin
|
|
| Rearrange String k Distance Apart |
Hard
|
amazon
ebay
facebook
google
microsoft
|
|
| Reorganize String Problem |
Medium
|
amazon
apple
ebay
facebook
google
microsoft
oracle
qualtrics
tesla
twitch
twitter
uber
ibm
|
|
| Flatten Nested List Iterator Problem |
Medium
|
airbnb
amazon
apple
atlassian
bloomberg
ebay
facebook
google
linkedin
lyft
microsoft
oracle
pinterest
snapchat
splunk
twitter
uber
vmware
|
|
| 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
|
|
| Design Tic-Tac-Toe Problem |
Medium
|
amazon
apple
bloomberg
doordash
facebook
google
microsoft
salesforce
triplebyte
uber
|
|
| Longest Substring with At Most K Distinct Characters Problem |
Medium
|
amazon
appdynamics
bloomberg
citadel
coupang
facebook
google
microsoft
oracle
snapchat
uber
wish
|
|
| Nested List Weight Sum |
Medium
|
amazon
cloudera
facebook
linkedin
uber
|
|
| Largest Binary Search Tree BST Subtree |
Medium
|
amazon
apple
facebook
google
lyft
microsoft
|
|
| House Robber 3 - Houses in Binary Tree |
Medium
|
amazon
facebook
google
uber
|
|
| Minimum Height Trees |
Medium
|
amazon
apple
bloomberg
facebook
google
snapchat
|
|
| Remove Duplicate Letters Problem |
Medium
|
adobe
amazon
apple
bytedance
facebook
google
microsoft
nutanix
yahoo
|
|
| Binary Tree Longest Consecutive Sequence Problem |
Medium
|
amazon
facebook
google
uber
|
|
| Longest Consecutive Sequence |
Medium
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
nutanix
oracle
paypal
spotify
uber
wish
|
|
| Find the Celebrity Problem |
Medium
|
amazon
apple
facebook
google
linkedin
microsoft
palantir-technologies
pinterest
square
uber
vmware
|
|
| Group Shifted Strings |
Medium
|
amazon
facebook
google
uber
|
|
| Second Highest Salary Problem |
Medium
|
adobe
amazon
apple
bloomberg
ebay
facebook
google
microsoft
yahoo
|
|
| Knight Probability in Chessboard Problem |
Medium
|
amazon
apple
facebook
goldman-sachs
google
microsoft
|
|
| Add Two Numbers represented as Linked List in Forward |
Medium
|
amazon
apple
bloomberg
bytedance
cisco
ebay
facebook
goldman-sachs
google
microsoft
oracle
uber
yahoo
|
|
| Course Schedule 1 - Is it Possible |
Medium
|
amazon
apple
bloomberg
bytedance
cisco
cohesity
ebay
facebook
goldman-sachs
google
intuit
linkedin
microsoft
nutanix
oracle
paypal
salesforce
uber
wish
yahoo
yelp
zenefits
|
|
| Course Schedule 2 - Get Ordered Courses |
Medium
|
airbnb
amazon
apple
bloomberg
doordash
facebook
google
intuit
microsoft
nutanix
oracle
pinterest
snapchat
twitter
uber
wayfair
zenefits
|
|
| All Nodes Distance K in Binary Tree |
Medium
|
amazon
apple
bloomberg
bytedance
didi
facebook
google
hulu
microsoft
oracle
uber
yahoo
|
|
| Minimum Depth of Binary Tree |
Easy
|
amazon
apple
facebook
microsoft
|
|
| Single Number 2 - All elements except one occur thrice |
Medium
|
adobe
amazon
facebook
google
|
|
| Kth Largest Element in an Array |
Medium
|
adobe
airbnb
alibaba
amazon
apple
atlassian
baidu
bloomberg
bytedance
ebay
expedia
facebook
goldman-sachs
google
grab
jpmorgan
linkedin
microsoft
oracle
pocket-gems
salesforce
snapchat
spotify
tencent
uber
vmware
yahoo
|
|
| Restore IP Addresses |
Medium
|
adobe
amazon
apple
facebook
microsoft
snapchat
vmware
yahoo
|
|
| Divide Two Integers Problem |
Medium
|
adobe
amazon
apple
bloomberg
context-logic
facebook
google
microsoft
oracle
riot-games
|
|