| Design hit counter with range queries | Easy | riot-games | |
| Sudoku Solver Problem | Hard | adobe
amazon
apple
arista-networks
doordash
dropbox
expedia
facebook
google
microsoft
oracle
riot-games
roblox
snapchat
uber
vmware
wish | |
| Divide Two Integers Problem | Medium | adobe
amazon
apple
bloomberg
context-logic
facebook
google
microsoft
oracle
riot-games | |
| Valid Parentheses Problem | 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 | |