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 |
Medium
|
amazon
cisco
facebook
google
microsoft
twitter
uber
|
|
Generate Random Point in a Circle |
Medium
|
facebook
leap-motion
|
|
Sliding Window Median |
Hard
|
amazon
apple
facebook
google
microsoft
snapchat
spotify
|
|
Permutation in String |
Medium
|
amazon
bloomberg
facebook
google
lyft
microsoft
uber
yahoo
yandex
|
|
Number of Closed Islands |
Medium
|
amazon
facebook
google
|
|
Number of Ways to Stay in the Same Place After Some Steps |
Hard
|
facebook
google
|
|
Remove All Adjacent Duplicates In String 1 |
Easy
|
amazon
bloomberg
facebook
google
oracle
paypal
paytm
|
|
Diagonal Traverse 2 |
Medium
|
facebook
google
|
|
Find Duplicate Subtrees |
Medium
|
amazon
bloomberg
facebook
google
lyft
microsoft
oracle
uber
|
|
Linked List Random Node |
Medium
|
amazon
facebook
google
|
|
Max Area of Island |
Medium
|
adobe
affirm
amazon
apple
bloomberg
bytedance
cruise-automation
doordash
facebook
google
intuit
mathworks
microsoft
oracle
palantir-technologies
qualtrics
twitch
uber
wish
zillow
|
|
Prefix and Suffix Search |
Hard
|
facebook
google
|
|
Koko Eating Bananas |
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
|
|
Similar String Groups |
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
|
|
Possible Bipartition |
Medium
|
apple
facebook
google
microsoft
|
|
Print Binary Tree |
Medium
|
facebook
linkedin
microsoft
poynt
uber
|
|
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
|
|
All O`one Data Structure |
Hard
|
amazon
bloomberg
facebook
google
linkedin
microsoft
uber
|
|
Arithmetic Slices II - Subsequence |
Hard
|
adobe
alibaba
baidu
facebook
|
|
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
|
|
Add Strings |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
nvidia
oracle
snapchat
square
|
|
Convert Number to Hexadecimal Number Problem |
Easy
|
facebook
microsoft
|
|
Trapping Rain Water 2 |
Hard
|
amazon
apple
bytedance
facebook
google
microsoft
twitter
|
|
Valid Word Abbreviation |
Easy
|
facebook
google
|
|
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
|
|
Non-decreasing Subsequences |
Medium
|
facebook
yahoo
|
|
Path Sum 3 - Count paths from parent to child |
Medium
|
amazon
bloomberg
facebook
microsoft
oracle
quora
uber
zillow
|
|
Hamming Distance |
Easy
|
amazon
facebook
|
|
Total Hamming Distance |
Medium
|
facebook
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 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
|
|
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
|
|