| 2-CNF Boolean Satisfiability Problem | Hard | dropbox | |
| Approximate Median in Sub-linear Time | Medium | dropbox | |
| Check if words chain to form a circle | Medium | dropbox | |
| Grid Illumination | Hard | dropbox | |
| Web Crawler | Medium | amazon
dropbox
facebook
microsoft
oracle | |
| Web Crawler Multithreaded | Medium | amazon
databricks
dropbox
facebook
oracle | |
| Check If It Is a Good Array | Hard | dropbox | |
| Number of Valid Words for Each Puzzle | Hard | dropbox | |
| Pairs of Songs With Total Durations Divisible by 60 | Medium | adobe
amazon
citrix
dropbox
goldman-sachs
pocket-gems
visa | |
| Is Graph Bipartite | Medium | amazon
dropbox
ebay
facebook
google
linkedin
liveramp
microsoft
uber | |
| Minimize Malware Spread | Hard | amazon
bloomberg
dropbox
google | |
| Capturing Loop Variables in Lambdas | Easy | dropbox | |
| Sudoku Solver | Hard | adobe
amazon
apple
arista-networks
doordash
dropbox
expedia
facebook
google
microsoft
oracle
riot-games
roblox
snapchat
uber
vmware
wish | |
| Word Break 2 - Construct a sentence | Hard | amazon
apple
audible
bloomberg
bookingcom
dropbox
ebay
facebook
google
microsoft
oracle
pinterest
snapchat
twitter
uber
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 | |
| Find Duplicate File in System | Medium | amazon
apple
dropbox
facebook
google
microsoft
oracle
vmware | |
| Design Phone Directory | Medium | dropbox
google
microsoft | |
| Design Hit Counter | Medium | affirm
amazon
apple
atlassian
bloomberg
bookingcom
dropbox
google
indeed
linkedin
microsoft
netflix
oracle
pinterest
quip
snapchat
uber
visa
yahoo
zillow | |
| Minimum Path Sum in matrix | Medium | adobe
amazon
apple
bloomberg
dropbox
facebook
goldman-sachs
google
microsoft
nvidia
rubrik
uber
wish | |
| Median of Two Sorted Arrays | Hard | adobe
airbnb
alibaba
amazon
apple
bloomberg
bytedance
didi
dropbox
ebay
facebook
garena
godaddy
goldman-sachs
google
houzz
huawei
jpmorgan
microsoft
oracle
rubrik
tencent
two-sigma
uber
visa
vmware
yahoo
yandex
zenefits
zillow
zulily | |
| Two Sum | Easy | adobe
aetion
affirm
airbnb
alibaba
amazon
apple
audible
baidu
blackrock
bloomberg
bookingcom
box
bytedance
cisco
citadel
cloudera
deutsche-bank
didi
drawbridge
dropbox
ebay
emc
expedia
facebook
factset
ge-digital
godaddy
goldman-sachs
google
groupon
huawei
ibm
indeed
intel
intuit
jpmorgan
linkedin
lyft
mathworks
microsoft
morgan-stanley
netease
nvidia
oracle
paypal
qualcomm
quora
radius
roblox
salesforce
samsung
sap
servicenow
snapchat
splunk
spotify
tableau
tencent
twilio
twitter
uber
valve
visa
vmware
wish
works-applications
yahoo
yandex
yelp
zillow
zoho | |
| Game of Life | Medium | amazon
bloomberg
dropbox
facebook
goldman-sachs
google
microsoft
opendoor
oracle
reddit
snapchat
two-sigma
uber
zillow | |
| Design LRU Cache | Medium | adobe
alibaba
amazon
apple
asana
baidu
bloomberg
bytedance
cisco
citadel
cloudera
cruise-automation
docusign
doordash
dropbox
ebay
expedia
facebook
godaddy
goldman-sachs
google
groupon
hbo
intuit
jpmorgan
linkedin
lyft
microsoft
morgan-stanley
nutanix
nvidia
oracle
palantir-technologies
paypal
pinterest
roblox
salesforce
sap
snapchat
splunk
spotify
tesla
tripadvisor
twilio
twitch
twitter
two-sigma
uber
visa
vmware
wish
yahoo
yandex
zenefits
zillow | |
| Word Pattern 1 | Easy | amazon
capital-one
dropbox
facebook
google
microsoft
uber | |
| Letter Combinations of a Phone Number | Medium | amazon
apple
atlassian
bloomberg
cisco
dropbox
ebay
facebook
goldman-sachs
google
jpmorgan
lyft
microsoft
morgan-stanley
nutanix
oracle
quip
roblox
salesforce
servicenow
square
twilio
uber
vmware
yahoo
yelp | |
| Word Pattern 2 | Medium | dropbox
facebook
pony-ai
ponyai
uber | |
| Substring with Concatenation of All Words | Hard | adobe
amazon
apple
bloomberg
dropbox
facebook
google
microsoft | |
| Second largest element in binary search tree | Medium | dropbox | |
| Excel Sheet Column Number | Easy | amazon
apple
bloomberg
dropbox
facebook
factset
google
microsoft
uber | |
| Design Search Autocomplete System | Hard | amazon
apple
bloomberg
dropbox
facebook
google
lyft
microsoft
salesforce
snapchat
uber | |
| Minimize Malware Spread 2 | Hard | dropbox | |