| Tenth Line Problem | Easy | adobe
apple
google
oracle | |
| Valid Phone Numbers Problem | Easy | apple | |
| Repeated DNA Sequences | Medium | amazon
apple
google
linkedin
microsoft | |
| 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 | |
| Consecutive Numbers Problem | Medium | amazon
apple | |
| Combine Two Tables Problem | Easy | adobe
amazon
apple
google
yahoo | |
| Excel Sheet Column Title | Easy | adobe
apple
facebook
factset
google
microsoft
yahoo
zenefits | |
| Reorder List such that i-th element points to n-i-th element | Medium | adobe
amazon
apple
bytedance
cisco
ebay
facebook
google
linkedin
microsoft
splunk
tencent | |
| 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 | |
| Word Ladder 2 - Get all the ladders | Hard | amazon
apple
bloomberg
box
facebook
google
linkedin
lyft
microsoft
oracle
pinterest
uber
yahoo
yelp | |
| Best Time To Buy And Sell Stock 3 - at most twice | Hard | amazon
apple
atlassian
bloomberg
citadel
facebook
flipkart
google
microsoft
rubrik
two-sigma | |
| Best Time To Buy And Sell Stock 2 - Any number of times | Medium | adobe
amazon
apple
bloomberg
citadel
facebook
goldman-sachs
google
microsoft
oracle
uber
yahoo | |
| Path Sum 2 - find all root to leaf paths | Medium | adobe
amazon
apple
baidu
bloomberg
bytedance
facebook
google
linkedin
microsoft
oracle
quora
vmware
zillow | |
| Binary Tree Traversal - Level Order Bottom up | Medium | adobe
amazon
apple
microsoft
oracle | |
| Decode Ways | 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 | Medium | adobe
amazon
apple
baidu
bloomberg
bytedance
facebook
goldman-sachs
google
intuit
linkedin
microsoft
paypal
qualcomm
square
uber
vmware
yahoo | |
| Search a 2D Matrix 1 - Elements sorted row-wise and first integer of each row is greater than last element of previous row is greater than last element of previous row | Medium | adobe
amazon
apple
bloomberg
facebook
google
microsoft
uber | |
| Text Justification | Hard | airbnb
amazon
apple
box
coursera
facebook
google
indeed
intuit
linkedin
lyft
microsoft
palantir
paypal
pinterest
robinhood
snapchat
twilio
twitter
uber | |
| Unique Paths in Grid 2 - Count all paths moving right or down with obstacles | Medium | amazon
apple
bloomberg
cruise-automation
epic-systems
facebook
godaddy
goldman-sachs
google
mathworks
microsoft
qualcomm
snapchat
vmware
yahoo | |
| Spiral Matrix 2 - Generate | Medium | adobe
amazon
apple
facebook
google
jpmorgan
microsoft
oracle
robinhood
uber
yandex | |
| Merge Overlapping Intervals | Medium | adobe
alibaba
amazon
apple
atlassian
bloomberg
bytedance
cisco
cohesity
coupang
cruise-automation
dataminr
doordash
ebay
facebook
godaddy
goldman-sachs
google
intuit
linkedin
microsoft
netflix
oracle
palantir-technologies
paypal
pinterest
postmates
salesforce
sap
servicenow
snapchat
sumologic
tencent
twitch
twitter
two-sigma
uber
visa
vmware
wayfair
wish
yahoo
yandex
yelp
zulily | |
| Group Anagrams | Medium | adobe
affirm
amazon
apple
bloomberg
bookingcom
cisco
docusign
ebay
electronic-arts
facebook
goldman-sachs
google
hulu
intuit
mathworks
microsoft
nutanix
oracle
qualtrics
salesforce
servicenow
snapchat
tesla
twilio
uber
visa
vmware
wish
yahoo
yandex
yelp
zulily
robinhood | |
| Multiply Strings | Medium | amazon
apple
expedia
facebook
google
houzz
huawei
mathworks
microsoft
oracle
redfin
twitter
uber
zillow | |
| Trapping Rain Water | Hard | adobe
affirm
airbnb
amazon
apple
audible
bloomberg
bytedance
citadel
databricks
dataminr
ebay
electronic-arts
facebook
flipkart
goldman-sachs
google
grab
huawei
lyft
microsoft
nvidia
oracle
palantir-technologies
qualtrics
salesforce
servicenow
snapchat
tableau
twitter
uber
visa
wish
yahoo
yandex
zenefits | |
| Combination Sum 2 - Cant Reuse same element | Medium | adobe
amazon
apple
bloomberg
ebay
facebook
google
linkedin
microsoft
nutanix
snapchat
uber | |
| First Missing Positive | Hard | adobe
amazon
apple
bloomberg
bytedance
databricks
ebay
facebook
google
grab
inmobi
microsoft
model-N
morgan-stanley
oracle
pocket-gems
salesforce
sap
stripe
tesla
twitch
uber
vmware
wayfair
wish | |
| Combination Sum 1 | Medium | airbnb
akuna-capital
amazon
apple
bloomberg
ebay
facebook
goldman-sachs
google
jpmorgan
linkedin
microsoft
quora
snapchat
square
uber
vmware
yelp | |
| Find first and last positions of target element in sorted array | Medium | airbnb
amazon
apple
bloomberg
bytedance
facebook
google
linkedin
microsoft
netflix
oracle
qualtrics
quip
uber
visa
yahoo
yandex | |
| Search in Rotated Sorted Array | Medium | adobe
alibaba
amazon
apple
baidu
bloomberg
bytedance
cisco
ebay
expedia
facebook
goldman-sachs
google
ixl
jpmorgan
linkedin
microsoft
netease
nutanix
nvidia
oracle
paypal
salesforce
samsung
snapchat
tencent
tesla
tripadvisor
twitch
uber
visa
vmware
yahoo
yandex
zillow
zulily | |
| Add Binary Strings | Easy | adobe
amazon
apple
facebook
google
microsoft
oracle | |
| 3Sum - Closest | Medium | adobe
amazon
apple
bloomberg
facebook
goldman-sachs
google
microsoft
sap
uber
vmware
yandex | |
| Interleaving String | Medium | amazon
apple
bloomberg
google
microsoft
nvidia
uber
vmware | |
| Majority Element - Boyer–Moore majority vote algorithm | Easy | adobe
amazon
apple
google
microsoft
oracle
snapchat
tencent
twitter
yahoo
zenefits | |
| Reverse Vowels of a String | Easy | amazon
apple
facebook
google | |
| Capacity To Ship Packages Within D Days | Medium | amazon
apple
google
uber | |
| Single Element in a Sorted Array | Medium | amazon
apple
atlassian
bloomberg
facebook
google
microsoft
twitter | |
| LFU Cache | Hard | adobe
alibaba
amazon
apple
bloomberg
goldman-sachs
google
linkedin
microsoft
salesforce
snapchat
uber
vmware | |
| 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 | |
| Insert Interval | Medium | adobe
amazon
apple
dataminr
facebook
google
linkedin
microsoft
oracle
tableau
twitter
uber | |
| Symmetric Binary Tree | Easy | adobe
alibaba
amazon
apple
atlassian
audible
bloomberg
facebook
google
linkedin
microsoft
oracle
salesforce
sap
tripadvisor
twitter
uber
visa
vmware
yandex | |
| Gas Station | Medium | amazon
apple
bloomberg
deshaw
expedia
google
ibm
microsoft
paypal | |
| Single Number 1 - All elements except one occur twice | Easy | adobe
airbnb
amazon
apple
atlassian
bloomberg
facebook
google
microsoft
oracle
palantir-technologies
tencent | |
| Reverse String | Easy | adobe
amazon
apple
bloomberg
cisco
ebay
facebook
godaddy
goldman-sachs
google
microsoft
oracle
paypal
servicenow
snapchat
uber | |
| Remove duplicates from Sorted List 1 | Easy | adobe
amazon
apple
bytedance
ebay
facebook
google
microsoft
salesforce | |
| 2Sum 2 – Input array is sorted | Medium | amazon
apple
bloomberg
bytedance
expedia
facebook
goldman-sachs
google
microsoft
paypal
pure-storage | |
| Best Time To Buy And Sell Stock 1 - only one transaction | Easy | adobe
akuna-capital
alibaba
amazon
apple
atlassian
audible
blackrock
bloomberg
bytedance
cisco
citadel
deutsche-bank
doordash
expedia
facebook
goldman-sachs
google
grab
groupon
intel
jpmorgan
linkedin
lyft
microsoft
morgan-stanley
oracle
paypal
redfin
sap
snapchat
tableau
tencent
uber
visa
vmware
yahoo
zillow | |
| Merge Two Sorted Arrays | Easy | adobe
amazon
apple
baidu
bloomberg
bytedance
cisco
ebay
expedia
facebook
goldman-sachs
google
ibm
indeed
linkedin
lyft
microsoft
netflix
oracle
quip
tableau
uber
vmware
yahoo
yandex | |
| Move Zeroes at the end of array | Easy | adobe
amazon
apple
bloomberg
cohesity
dell
ebay
facebook
goldman-sachs
google
lyft
microsoft
nutanix
oracle
paypal
qualcomm
sap
tesla
uber
yahoo
yandex
zillow | |
| Squares of a Sorted array | Easy | adobe
amazon
apple
bloomberg
bytedance
ebay
electronic-arts
facebook
google
jane-street
microsoft
nutanix
oracle
paypal
splunk
twitch
uber
vmware | |
| Valid Palindrome | Easy | adobe
amazon
apple
bloomberg
cisco
ebay
facebook
google
linkedin
microsoft
oracle
spotify
uber
wayfair
wish
yandex
zenefits | |