Valid Parenthesis String | Medium | alibaba
amazon
bloomberg
facebook
google | |
Valid Sudoku | Medium | adobe
amazon
apple
bloomberg
cruise-automation
doordash
facebook
google
microsoft
oracle
pinterest
roblox
salesforce
snapchat
twitter
uber
vmware | |
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 | |