Contains Duplicate 1 - Check if array has duplicates |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
facebook
microsoft
oracle
palantir-technologies
yahoo
|
|
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
|
|
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
|
|
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
|
|
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
|
|
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
|
|
Combine Two Tables Problem |
Easy
|
adobe
amazon
apple
google
yahoo
|
|
Excel Sheet Column Title Problem |
Easy
|
adobe
apple
facebook
factset
google
microsoft
yahoo
zenefits
|
|
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
|
|
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
|
|
Edit Distance Problem |
Medium
|
adobe
amazon
apple
baidu
bloomberg
bytedance
facebook
goldman-sachs
google
intuit
linkedin
microsoft
paypal
qualcomm
square
uber
vmware
yahoo
|
|
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
|
|
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
|
|
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
|
|
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
|
|
Majority Element - Boyer–Moore majority vote algorithm |
Easy
|
adobe
amazon
apple
google
microsoft
oracle
snapchat
tencent
twitter
yahoo
zenefits
|
|
Increasing Triplet Subsequence |
Medium
|
amazon
bloomberg
facebook
google
uber
yahoo
|
|
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
|
|
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
|
|
Reverse Linked List |
Easy
|
adobe
alibaba
amazon
apple
bloomberg
bytedance
cisco
citrix
docusign
ebay
electronic-arts
facebook
factset
goldman-sachs
google
intel
mathworks
microsoft
nvidia
oracle
paypal
qualcomm
snapchat
spotify
tencent
tripadvisor
twitter
uber
visa
vmware
yahoo
yandex
yelp
zenefits
|
|
Permutations of Array 1 |
Medium
|
adobe
amazon
apple
atlassian
bloomberg
bytedance
cisco
ebay
facebook
garena
godaddy
goldman-sachs
google
linkedin
microsoft
netease
oracle
paypal
salesforce
sap
uber
vmware
yahoo
|
|
Integer To Roman Problem |
Medium
|
adobe
amazon
apple
blackrock
bloomberg
evernote
facebook
google
linkedin
microsoft
opendoor
oracle
paypal
salesforce
twitter
yahoo
|
|
Roman To Integer Problem |
Easy
|
adobe
amazon
apple
bloomberg
facebook
goldman-sachs
google
linkedin
microsoft
oracle
qualtrics
uber
yahoo
zillow
|
|
Valid Anagram |
Easy
|
amazon
apple
bloomberg
cisco
docusign
expedia
facebook
goldman-sachs
google
microsoft
morgan-stanley
oracle
paypal
servicenow
snapchat
uber
yahoo
yelp
zulily
|
|
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
|
|
4Sum |
Medium
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
samsung
yahoo
|
|
Add Two Numbers represented as Linked List in Reversed Order |
Medium
|
adobe
aetion
airbnb
alibaba
amazon
apple
baidu
bloomberg
bytedance
capital-one
cisco
dell
docusign
ebay
facebook
flipkart
google
grab
huawei
ibm
intel
lyft
mathworks
microsoft
nvidia
oracle
paypal
qualcomm
redfin
salesforce
servicenow
uber
vmware
wish
yahoo
yandex
zoho
|
|
Find All Numbers Disappeared in an Array |
Easy
|
adobe
apple
bloomberg
google
microsoft
yahoo
|
|
Single Number 3 - All elements except two occur twice |
Medium
|
amazon
apple
facebook
yahoo
|
|
Can Place Flowers Problem |
Easy
|
amazon
cisco
facebook
google
linkedin
yahoo
|
|
Isomorphic Strings |
Easy
|
adobe
amazon
bloomberg
facebook
google
linkedin
microsoft
oracle
salesforce
yahoo
yelp
|
|
Valid Palindrome 2 Problem |
Easy
|
atlassian
facebook
google
microsoft
yahoo
|
|
Min Cost Climbing Stairs |
Easy
|
amazon
bloomberg
google
yahoo
|
|
First Unique Character in a String |
Easy
|
adobe
amazon
apple
bloomberg
facebook
goldman-sachs
google
huawei
jpmorgan
linkedin
microsoft
servicenow
yahoo
zillow
zulily
|
|
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
|
|
Word Search 1 - Find if word exists |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
coupang
coursera
cruise-automation
docusign
facebook
google
intuit
jpmorgan
linkedin
lyft
microsoft
oracle
pinterest
quantcast
snapchat
uber
vmware
yahoo
zillow
|
|
Word Search 2 - Return All Words |
Hard
|
airbnb
amazon
apple
bloomberg
bytedance
cisco
citadel
facebook
google
houzz
microsoft
oracle
roblox
salesforce
snapchat
uber
yahoo
zillow
|
|
Longest Substring Without Repeating Characters |
Medium
|
adobe
alation
alibaba
amazon
apple
atlassian
baidu
bloomberg
bytedance
cisco
coupang
ebay
expedia
facebook
goldman-sachs
google
huawei
microsoft
oracle
paypal
salesforce
samsung
sap
snapchat
spotify
twitch
uber
vmware
yahoo
yandex
yelp
zillow
zoho
|
|
Delete non-tail Node in linked list, Given only access to that Node |
Medium
|
adobe
amazon
apple
bloomberg
cisco
facebook
goldman-sachs
google
microsoft
qualcomm
yahoo
|
|
H-Index Problem |
Medium
|
adobe
bloomberg
facebook
google
tripadvisor
yahoo
|
|
Trim a Binary Search Tree BST |
Medium
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
yahoo
|
|
Flatten Binary Tree to Linked List in Order of Preorder Traversal |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
coupang
databricks
facebook
google
microsoft
nvidia
oracle
uber
yahoo
|
|
Decode String Problem |
Medium
|
alibaba
amazon
appdynamics
apple
atlassian
bloomberg
bytedance
cisco
coupang
cruise-automation
ebay
facebook
google
huawei
hulu
microsoft
oracle
salesforce
snapchat
tencent
vmware
yahoo
yelp
|
|