| Validate Binary Search Tree |
Medium
|
adobe
amazon
apple
asana
atlassian
bloomberg
bytedance
capital-one
ebay
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
oracle
salesforce
sap
tripadvisor
uber
visa
vmware
yahoo
yandex
|
|
| Word Break 2 - Construct a sentence |
Hard
|
amazon
apple
audible
bloomberg
bookingcom
dropbox
ebay
facebook
google
microsoft
oracle
pinterest
snapchat
twitter
uber
zillow
|
|
| Zigzag Iterator |
Medium
|
amazon
apple
cruise-automation
facebook
google
microsoft
yandex
|
|
| Validate IP Address Problem |
Medium
|
amazon
cisco
facebook
google
microsoft
twitter
uber
|
|
| Permutation in String Problem |
Medium
|
amazon
bloomberg
facebook
google
lyft
microsoft
uber
yahoo
yandex
|
|
| Can Make Arithmetic Progression From Sequence |
Easy
|
amazon
|
|
| Sales Analysis II |
Easy
|
amazon
|
|
| Remove All Adjacent Duplicates In String 1 |
Easy
|
amazon
bloomberg
facebook
google
oracle
paypal
paytm
|
|
| Find Duplicate Subtrees |
Medium
|
amazon
bloomberg
facebook
google
lyft
microsoft
oracle
uber
|
|
| Most Common Word Problem |
Easy
|
amazon
apple
google
microsoft
oracle
|
|
| Linked List Random Node Problem |
Medium
|
amazon
facebook
google
|
|
| Max Area of Island Problem |
Medium
|
adobe
affirm
amazon
apple
bloomberg
bytedance
cruise-automation
doordash
facebook
google
intuit
mathworks
microsoft
oracle
palantir-technologies
qualtrics
twitch
uber
wish
zillow
|
|
| Exchange Seats Problem |
Medium
|
amazon
|
|
| Human Traffic of Stadium |
Hard
|
adobe
amazon
uber
|
|
| Koko Eating Bananas Problem |
Medium
|
adobe
airbnb
amazon
facebook
google
|
|
| Check Completeness of a Binary Tree |
Medium
|
amazon
bytedance
facebook
google
microsoft
oracle
|
|
| Number of Provinces |
Medium
|
adobe
amazon
atlassian
bloomberg
drawbridge
ebay
facebook
goldman-sachs
google
linkedin
microsoft
pocket-gems
salesforce
twitter
two-sigma
uber
|
|
| Shortest Path in Binary Matrix |
Medium
|
amazon
facebook
google
microsoft
uber
|
|
| Kids With the Greatest Number of Candies |
Easy
|
amazon
|
|
| Similar String Groups Problem |
Hard
|
amazon
facebook
google
snapchat
|
|
| Subarray Sum Equals K |
Medium
|
adobe
amazon
apple
bloomberg
ebay
expedia
facebook
goldman-sachs
google
indeed
linkedin
microsoft
oracle
quora
snapchat
twilio
uber
wish
yahoo
yandex
|
|
| Island Perimeter Problem |
Easy
|
amazon
apple
bloomberg
facebook
google
microsoft
|
|
| All O`one Data Structure Problem |
Hard
|
amazon
bloomberg
facebook
google
linkedin
microsoft
uber
|
|
| Flatten a Multilevel Doubly Linked List Problem |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
uber
|
|
| Add Strings Problem |
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 Problem |
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
|
|
| Maximum Level Sum of a Binary Tree |
Medium
|
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 Problem |
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
|
|
| 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-ary Tree Level Order Traversal |
Medium
|
amazon
|
|
| N-ary Tree Postorder Traversal Problem |
Easy
|
amazon
|
|
| Reverse String 2 Problem |
Easy
|
amazon
google
microsoft
|
|
| 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
|
|
| Minimum Time Difference Problem |
Medium
|
amazon
palantir-technologies
|
|
| Online Stock Span Problem |
Medium
|
amazon
google
microsoft
|
|
| Most Frequent Subtree Sum |
Medium
|
amazon
apple
|
|
| Peak Index in a Mountain Array |
Medium
|
amazon
bloomberg
facebook
google
microsoft
quora
uber
|
|
| N-Queens 2 - Count number of distinct solutions |
Hard
|
amazon
zenefits
|
|
| Longest Univalue Path |
Medium
|
amazon
apple
google
|
|