| Dutch National Flag DNF | Medium | amazon
apple
bloomberg
ebay
facebook
google
linkedin
microsoft
oracle
paypal
pocket-gems
pure-storage
uber
vmware
yahoo | |
| Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed | Medium | adobe
affirm
amazon
appdynamics
apple
bloomberg
databricks
facebook
flipkart
goldman-sachs
google
indeed
linkedin
microsoft
oracle
pinterest
pocket-gems
pure-storage
quora
salesforce
twilio
twitter
two-sigma
uber
visa
vmware
yandex
yelp | |
| Remove All Adjacent Duplicates in String 2 | Medium | bloomberg
facebook
factset
goldman-sachs
google
vmware | |
| Sort Array By Parity | Easy | amazon
apple
cisco
facebook
google
microsoft
oracle
vmware | |
| Alien Dictionary | Hard | airbnb
amazon
apple
bloomberg
cohesity
doordash
facebook
flipkart
google
microsoft
pinterest
pocket-gems
snapchat
square
twitter
uber
vmware | |
| Palindromic Substrings | Medium | adobe
amazon
apple
atlassian
citadel
coursera
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
pure-storage
roblox
twitter
uber
vmware | |
| Task Scheduler | Medium | amazon
apple
bloomberg
facebook
google
microsoft
nutanix
oracle
pinterest
uber
vmware | |
| Top K Frequent Elements | Medium | amazon
apple
bloomberg
bytedance
ebay
facebook
goldman-sachs
google
hulu
linkedin
microsoft
oracle
pocket-gems
snapchat
spotify
uber
vmware
yahoo
yelp | |
| Break a Palindrome | Medium | expedia
jpmorgan
roblox
vmware | |
| Contiguous Array | Medium | adobe
amazon
apple
facebook
google
microsoft
quora
robinhood
vmware | |
| Degree of an Array | Easy | citrix
ge-digital
ixl
mathworks
robinhood
visa
vmware | |
| Consecutive Numbers Sum | Hard | citadel
citrix
indeed
roblox
uber
visa
vmware | |
| Permutations of Array 2 - Array has duplicates | Medium | adobe
amazon
apple
bloomberg
facebook
linkedin
microsoft
uber
vmware | |
| Implement Power Function 1 | Medium | adobe
amazon
apple
asana
bloomberg
ebay
facebook
goldman-sachs
google
linkedin
microsoft
morgan-stanley
oracle
uber
vmware | |
| Missing Number | Easy | adobe
amazon
apple
arista-networks
bloomberg
facebook
google
ibm
microsoft
oracle
servicenow
vmware
zillow | |
| Binary Tree Path Sum - Maximum between any two nodes | Hard | adobe
amazon
appdynamics
apple
baidu
bloomberg
bytedance
facebook
google
intuit
microsoft
twitter
uber
vmware | |
| Convert Sorted List into a height-balanced Binary search Tree | Medium | amazon
bloomberg
facebook
google
lyft
microsoft
oracle
vmware
zenefits | |
| Find Median from Data Stream | Hard | adobe
amazon
apple
atlassian
bloomberg
bytedance
citadel
ebay
expedia
facebook
goldman-sachs
google
microsoft
netflix
oracle
pinterest
qualtrics
salesforce
snapchat
twitter
uber
vmware
yahoo | |
| Find Peak Element in a Given Array | Medium | amazon
apple
bloomberg
bytedance
facebook
google
ixl
lyft
microsoft
quora
uber
vmware
yahoo | |
| Merge K Sorted Lists | Hard | adobe
airbnb
alibaba
amazon
apple
atlassian
audible
bloomberg
box
bytedance
cisco
cohesity
cruise-automation
ebay
facebook
goldman-sachs
google
indeed
ixl
linkedin
lyft
mathworks
microsoft
nvidia
oracle
salesforce
sap
tableau
twitter
uber
vmware
wish
yahoo
yandex
zillow | |
| Partition to K Equal Sum Subsets | Medium | amazon
bytedance
ebay
facebook
google
houzz
linkedin
microsoft
pinterest
vmware | |
| Range Sum Query 2D - Immutable | Medium | amazon
apple
cruise-automation
facebook
google
houzz
lyft
microsoft
vmware | |
| Remove K Digits | Medium | adobe
amazon
bloomberg
bytedance
didi
facebook
google
microsoft
nutanix
oracle
snapchat
vmware | |
| Reverse Words in a String 2 | Medium | amazon
google
microsoft
uber
vmware | |
| Serialize and Deserialize Binary Tree | Hard | amazon
apple
bloomberg
citadel
ebay
expedia
facebook
google
groupon
indeed
linkedin
microsoft
oracle
qualtrics
quora
salesforce
snapchat
tableau
uber
vmware
yahoo | |
| Sudoku Solver | Hard | adobe
amazon
apple
arista-networks
doordash
dropbox
expedia
facebook
google
microsoft
oracle
riot-games
roblox
snapchat
uber
vmware
wish | |
| 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 | |
| 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 | |
| Convert Binary Search Tree to Sorted Doubly Linked List | Medium | amazon
bloomberg
databricks
facebook
google
lyft
microsoft
oracle
uber
vmware | |
| Find Duplicate File in System | Medium | amazon
apple
dropbox
facebook
google
microsoft
oracle
vmware | |
| Flatten Nested List Iterator | Medium | airbnb
amazon
apple
atlassian
bloomberg
ebay
facebook
google
linkedin
lyft
microsoft
oracle
pinterest
snapchat
splunk
twitter
uber
vmware | |
| Shortest Word Distance 1 | Easy | amazon
google
linkedin
microsoft
oracle
paypal
uber
vmware | |
| Find the Celebrity | Medium | amazon
apple
facebook
google
linkedin
microsoft
palantir-technologies
pinterest
square
uber
vmware | |
| 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 | |
| Longest Increasing Subsequence | Medium | adobe
amazon
apple
atlassian
ebay
facebook
google
microsoft
oracle
salesforce
uber
vmware |
|
| Sliding Window Maximum | Hard | adobe
alibaba
amazon
apple
bloomberg
bytedance
citadel
coursera
databricks
facebook
google
lyft
microsoft
nutanix
oracle
pinterest
roblox
twitter
uber
vmware
wish
yelp
zenefits | |
| Container With Most Water | Medium | adobe
amazon
apple
bloomberg
bytedance
facebook
goldman-sachs
google
lyft
microsoft
oracle
uber
vmware
yahoo | |
| Jump Game 1 - Check if it reaches last index | Medium | adobe
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
nutanix
oracle
postmates
uber
vmware
pinterest | |
| Skyline Problem | Hard | adobe
amazon
apple
databricks
facebook
goldman-sachs
google
houzz
microsoft
salesforce
tableau
twitter
uber
yelp
vmware | |
| Word Ladder 1 - Get Ladder Length | Hard | affirm
amazon
apple
audible
bloomberg
cohesity
expedia
facebook
google
linkedin
lyft
microsoft
oracle
pinterest
qualtrics
salesforce
samsung
servicenow
snapchat
spotify
square
tesla
uber
vmware
yelp
zillow | |
| Unique Paths in Grid 1 - Count all paths moving right or down | Medium | adobe
alibaba
amazon
apple
bloomberg
facebook
goldman-sachs
google
mathworks
microsoft
oracle
snapchat
uber
vmware | |
| Valid Parentheses | Easy | adobe
airbnb
akuna-capital
amazon
apple
atlassian
audible
barclays
blizzard
bloomberg
cisco
citadel
doordash
ebay
epic-systems
expedia
facebook
godaddy
goldman-sachs
google
ibm
intel
intuit
jpmorgan
linkedin
liveramp
lyft
mathworks
microsoft
morgan-stanley
oracle
paypal
postmates
riot-games
salesforce
samsung
sap
servicenow
splunk
spotify
tencent
tesla
triplebyte
twilio
twitter
uber
visa
vmware
yahoo
yandex
zenefits
zillow | |
| Clone Undirected Graph | Medium | amazon
apple
facebook
google
linkedin
mathworks
microsoft
pocket-gems
splunk
twitter
uber
vmware | |
| Maximal Square | Medium | adobe
airbnb
amazon
appdynamics
apple
bloomberg
citadel
facebook
google
huawei
microsoft
oracle
two-sigma
uber
vmware | |
| Minimum Window Substring | Hard | adobe
airbnb
amazon
apple
bloomberg
bytedance
cohesity
deutsche-bank
directi
ebay
facebook
godaddy
goldman-sachs
google
linkedin
lyft
microsoft
nutanix
oracle
salesforce
snapchat
tencent
twitter
uber
visa
vmware
yahoo | |
| Binary Tree Right Side View | Medium | adobe
amazon
apple
atlassian
bloomberg
bytedance
citadel
ebay
facebook
google
mathworks
microsoft
nvidia
oracle
paypal
sap
uber
vmware | |
| K Reverse a linked list | Hard | adobe
amazon
apple
bytedance
cisco
cohesity
ebay
facebook
google
mathworks
microsoft
paypal
vmware | |