| Allocate Mailboxes | Hard | bloomberg | |
| Arithmetic Slices | Medium | aetion
amazon
baidu
bloomberg
facebook
microsoft | |
| Best Time To Buy And Sell Stock 4 - at most k times | Hard | amazon
apple
bloomberg
facebook
google | |
| Palindrome Partitioning | Medium | adobe
amazon
bloomberg
google
microsoft
qualtrics
uber
yahoo | |
| Find Duplicate Number in array containing n+1 numbers between 1 and n | Medium | adobe
amazon
apple
bloomberg
ebay
facebook
google
intuit
microsoft
oracle
salesforce
tencent
vmware | |
| Longest Valid Parentheses | Hard | adobe
amazon
apple
bloomberg
citadel
ebay
facebook
google
microsoft
oracle
samsung
uber
yahoo | |
| Binary Tree Level Order Traversal - Level by Level | Medium | adobe
amazon
apple
atlassian
bloomberg
cisco
citadel
ebay
expedia
facebook
google
linkedin
mathworks
microsoft
oracle
sap
uber
vmware
yahoo | |
| Merge Two Sorted Linked Lists | Easy | adobe
airbnb
alibaba
amazon
apple
arista-networks
atlassian
bloomberg
bytedance
capital-one
cisco
ebay
facebook
google
huawei
indeed
intel
linkedin
lyft
microsoft
oracle
paypal
samsung
tencent
uber
visa
vmware
yahoo
yandex | |
| Reverse Words in a String | Medium | amazon
apple
bloomberg
cisco
citadel
facebook
google
huawei
microsoft
nvidia
oracle
qualcomm
salesforce
snapchat
vmware
yelp
zillow | |
| Longest Palindromic Substring | Medium | adobe
airbnb
alibaba
amazon
appdynamics
apple
bloomberg
cisco
ebay
facebook
godaddy
google
huawei
jpmorgan
mathworks
microsoft
nutanix
oracle
paypal
pure-storage
roblox
samsung
sap
servicenow
tencent
uber
vmware
wayfair
yahoo
yandex | |
| Subsets 1 | Medium | adobe
amazon
apple
atlassian
bloomberg
bytedance
coupang
ebay
facebook
goldman-sachs
google
lyft
microsoft
uber
yahoo | |
| Is Subsequence | Easy | amazon
bloomberg
coursera
facebook
google
pinterest | |
| Convert String to Integer atoi | Medium | adobe
amazon
apple
bloomberg
cisco
citadel
ebay
facebook
goldman-sachs
google
linkedin
microsoft
nvidia
oracle
redfin
sap
tencent
uber
vmware
zillow | |
| Majority Element 2 - With n by 3 definition | Medium | adobe
amazon
apple
bloomberg
facebook
google
microsoft
uber
zenefits | |
| Contains Duplicate 1 - Check if array has duplicates | Easy | adobe
airbnb
amazon
apple
bloomberg
facebook
microsoft
oracle
palantir-technologies
yahoo | |
| Kth Smallest Element in a BST | Medium | affirm
amazon
apple
bloomberg
facebook
google
hulu
microsoft
oracle
triplebyte
uber
vmware | |
| 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 | |
| Subtree of Another Tree | Easy | amazon
bloomberg
ebay
facebook
google
microsoft
samsung | |
| Longest Common Prefix in array of string | Easy | adobe
alibaba
amazon
apple
bloomberg
cisco
ebay
facebook
google
ibm
ixl
microsoft
oracle
pinterest
quora
snapchat
splunk
twilio
visa
yelp | |
| Find Minimum in Rotated Sorted Array | Medium | amazon
apple
bloomberg
ebay
facebook
goldman-sachs
google
microsoft
oracle
salesforce
uber
vmware
wish | |
| Maximal Rectangle | Hard | adobe
amazon
bloomberg
citadel
facebook
google
indeed
karat
microsoft
samsung
uber
vmware
wayfair | |
| Coin Change with Fewest Number of Coins Given Infinite Supply | Medium | adobe
affirm
airbnb
amazon
apple
blackrock
bloomberg
bytedance
capital-one
ebay
facebook
goldman-sachs
google
jpmorgan
linkedin
microsoft
oracle
paypal
sap
uber
visa
vmware
yahoo
zappos
wework | |
| Sort an array | Medium | amazon
apple
bloomberg | |
| House Robber | Medium | adobe
airbnb
amazon
apple
bloomberg
bytedance
cisco
ebay
expedia
goldman-sachs
google
hbo
linkedin
microsoft
quora
uber | |
| Flood Fill | Easy | amazon
apple
bloomberg
facebook
google
microsoft
palantir-technologies
qualtrics
snapchat
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 | |
| 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 | |
| Meeting Rooms 1 - Can person attend all meetings | Easy | amazon
bloomberg
facebook
google
microsoft | |
| Maximum Product Subarray | Medium | adobe
akuna-capital
alibaba
amazon
bloomberg
bytedance
facebook
google
linkedin
microsoft
oracle
uber | |
| Next Permutation | Medium | adobe
amazon
apple
atlassian
bloomberg
bytedance
ebay
facebook
google
houzz
jpmorgan
microsoft
quora
rubrik
samsung
sumologic
uber | |
| Find anagrams of a string in another string | Medium | amazon
bloomberg
facebook
goldman-sachs
google
microsoft
oracle
robinhood
uber | |
| Encode and Decode Strings | Medium | bloomberg
google
microsoft
square
twitter | |
| Coin Change - Count Number of Ways of representing Amount given Infinite Supply | Medium | amazon
apple
bloomberg
facebook
google
ixl
microsoft
oracle
uber
yahoo | |
| Best Time To Buy And Sell Stock with Transaction Fee | Medium | affirm
amazon
bloomberg
facebook
google | |
| Product of Array Except Self | Medium | adobe
amazon
apple
asana
blackrock
bloomberg
bytedance
ebay
evernote
facebook
goldman-sachs
google
grab
groupon
intel
linkedin
lyft
microsoft
nutanix
oracle
paypal
qualtrics
salesforce
sap
servicenow
snapchat
splunk
tableau
uber
visa
vmware
yahoo | |
| Implement Queue using Stacks | Easy | amazon
apple
bloomberg
citadel
google
mathworks
microsoft
oracle
salesforce
uber
yahoo
yandex | |
| Implement stack using queues | Easy | amazon
bloomberg
citadel
google
mathworks
microsoft
twilio
yahoo | |
| Combination Sum 3 - Find k numbers summing up to n | Medium | amazon
bloomberg
google
microsoft | |
| Implement Trie | Medium | amazon
apple
bloomberg
ebay
facebook
google
microsoft
nutanix
oracle
pinterest
qualtrics
quip
square
twitter
uber | |
| Minimum Size Subarray Sum | Medium | amazon
apple
bloomberg
bytedance
facebook
goldman-sachs
google
microsoft
oracle
sap | |
| Rotate an Array to Right | Medium | amazon
bloomberg
cisco
ebay
facebook
goldman-sachs
microsoft
paypal
snapchat
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 | |
| Read N Characters Given Read4 2 - Call Multiple Times | Hard | amazon
bloomberg
facebook
google
lyft
microsoft
pinterest
uber | |
| Insertion Sort on List | Medium | bloomberg
google
microsoft | |
| 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 | |
| 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 | |