| Shortest substring containing all characters in a set | Medium | square | |
| Shortest Uphill-Downhill Route for a Competitive Runner | Medium | square | |
| Simulating an Unbiased Coin Toss Using a Biased Coin | Medium | square | |
| Construct Binary Tree from Inorder and Preorder Traversal | Medium | adobe
amazon
apple
bloomberg
bytedance
citadel
facebook
google
microsoft
oracle
square
twitter
yahoo | |
| Palindrome Pairs Problem | Hard | airbnb
amazon
apple
bloomberg
facebook
google
square
uber | |
| Reconstruct Itinerary Problem | Hard | amazon
apple
bloomberg
citadel
facebook
goldman-sachs
google
microsoft
qualtrics
snapchat
square
twilio
uber
yandex
yelp | |
| Add Strings Problem | Easy | adobe
airbnb
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
nvidia
oracle
snapchat
square | |
| 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 | |
| Find the Celebrity Problem | Medium | amazon
apple
facebook
google
linkedin
microsoft
palantir-technologies
pinterest
square
uber
vmware | |
| 3Sum0 - Find three elements in an array that sum to a zero | Medium | adobe
akuna-capital
alibaba
amazon
apple
baidu
bloomberg
bytedance
cisco
citadel
citrix
coursera
doordash
ebay
expedia
facebook
goldman-sachs
google
groupon
ibm
mathworks
microsoft
oracle
paypal
postmates
qualtrics
quora
salesforce
samsung
servicenow
snapchat
splunk
square
tencent
uber
visa
vmware
works-applications
yahoo
yandex
zoho | |
| Encode and Decode Strings Problem | Medium | bloomberg
google
microsoft
square
twitter | |
| Implement Trie Problem | Medium | amazon
apple
bloomberg
ebay
facebook
google
microsoft
nutanix
oracle
pinterest
qualtrics
quip
square
twitter
uber | |
| Number of Islands | Medium | adobe
affirm
alibaba
amazon
appdynamics
apple
arista-networks
atlassian
audible
blackrock
bloomberg
bytedance
cisco
citadel
citrix
cohesity
cruise-automation
doordash
ebay
electronic-arts
evernote
expedia
facebook
godaddy
goldman-sachs
google
houzz
hulu
jpmorgan
linkedin
liveramp
lyft
mathworks
microsoft
nutanix
nvidia
oracle
palantir-technologies
paypal
qualtrics
roblox
salesforce
servicenow
snapchat
splunk
spotify
square
sumologic
tableau
twitch
twitter
uber
visa
vmware
wish
yahoo
zenefits
zulily | |
| Word Break 1 - Check if word is breakable | Medium | adobe
amazon
apple
audible
bloomberg
bytedance
coupang
ebay
facebook
godaddy
google
hbo
hulu
microsoft
oracle
pinterest
pocket-gems
qualtrics
salesforce
snapchat
square
tripadvisor
twilio
twitter
uber
vmware
yahoo
yelp
zillow | |
| Decode Ways Problem | Medium | adobe
amazon
apple
baidu
barclays
bloomberg
cisco
databricks
expedia
facebook
goldman-sachs
google
huawei
lyft
microsoft
oracle
pinterest
snapchat
square
twitter
uber | |
| Edit Distance Problem | Medium | adobe
amazon
apple
baidu
bloomberg
bytedance
facebook
goldman-sachs
google
intuit
linkedin
microsoft
paypal
qualcomm
square
uber
vmware
yahoo | |
| Combination Sum 1 Problem | Medium | airbnb
akuna-capital
amazon
apple
bloomberg
ebay
facebook
goldman-sachs
google
jpmorgan
linkedin
microsoft
quora
snapchat
square
uber
vmware
yelp | |
| Letter Combinations of a Phone Number Problem | 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 | |
| Integer to English Words Problem | Hard | amazon
apple
barclays
bloomberg
capital-one
citrix
facebook
google
jpmorgan
linkedin
microsoft
nutanix
oracle
palantir-technologies
paypal
sap
splunk
square
tableau
tesla
uber
visa
yahoo
yelp
zillow | |
| Compare Version Numbers Problem | Medium | amazon
apple
arista-networks
google
microsoft
square | |