Design and implement Connect 4 |
Hard
|
salesforce
|
|
Height Checker Problem |
Easy
|
adobe
amazon
goldman-sachs
google
salesforce
|
|
Find Median from Data Stream |
Hard
|
adobe
amazon
apple
atlassian
bloomberg
bytedance
citadel
ebay
expedia
facebook
goldman-sachs
google
microsoft
netflix
oracle
pinterest
qualtrics
salesforce
snapchat
twitter
uber
vmware
yahoo
|
|
Merge K Sorted Lists |
Hard
|
adobe
airbnb
alibaba
amazon
apple
atlassian
audible
bloomberg
box
bytedance
cisco
cohesity
cruise-automation
ebay
facebook
goldman-sachs
google
indeed
ixl
linkedin
lyft
mathworks
microsoft
nvidia
oracle
salesforce
sap
tableau
twitter
uber
vmware
wish
yahoo
yandex
zillow
|
|
Reverse Words in a String 3 |
Easy
|
amazon
apple
bloomberg
microsoft
paypal
salesforce
snapchat
yahoo
zappos
|
|
Rotate n x n matrix by 90 degrees |
Medium
|
adobe
akuna-capital
amazon
apple
bloomberg
cisco
facebook
google
groupon
houzz
lyft
microsoft
nvidia
palantir
palantir-technologies
quora
salesforce
uber
wish
yandex
|
|
Serialize and Deserialize Binary Tree |
Hard
|
amazon
apple
bloomberg
citadel
ebay
expedia
facebook
google
groupon
indeed
linkedin
microsoft
oracle
qualtrics
quora
salesforce
snapchat
tableau
uber
vmware
yahoo
|
|
Valid Sudoku Problem |
Medium
|
adobe
amazon
apple
bloomberg
cruise-automation
doordash
facebook
google
microsoft
oracle
pinterest
roblox
salesforce
snapchat
twitter
uber
vmware
|
|
Validate Binary Search Tree |
Medium
|
adobe
amazon
apple
asana
atlassian
bloomberg
bytedance
capital-one
ebay
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
oracle
salesforce
sap
tripadvisor
uber
visa
vmware
yahoo
yandex
|
|
Number of Provinces |
Medium
|
adobe
amazon
atlassian
bloomberg
drawbridge
ebay
facebook
goldman-sachs
google
linkedin
microsoft
pocket-gems
salesforce
twitter
two-sigma
uber
|
|
Maximum Subarray Sum |
Medium
|
adobe
alibaba
amazon
apple
asana
atlassian
bloomberg
bytedance
capital-one
cisco
citadel
ebay
expedia
facebook
goldman-sachs
google
ibm
intel
jpmorgan
linkedin
microsoft
morgan-stanley
nvidia
oracle
palantir-technologies
paypal
qualcomm
salesforce
sap
two-sigma
uber
visa
wayfair
yahoo
zillow
|
|
Intersection of Two Arrays 2 - Duplicates allowed |
Easy
|
amazon
apple
bloomberg
bytedance
databricks
facebook
google
linkedin
microsoft
oracle
salesforce
uber
yandex
|
|
Design Tic-Tac-Toe Problem |
Medium
|
amazon
apple
bloomberg
doordash
facebook
google
microsoft
salesforce
triplebyte
uber
|
|
Course Schedule 1 - Is it Possible |
Medium
|
amazon
apple
bloomberg
bytedance
cisco
cohesity
ebay
facebook
goldman-sachs
google
intuit
linkedin
microsoft
nutanix
oracle
paypal
salesforce
uber
wish
yahoo
yelp
zenefits
|
|
Kth Largest Element in an Array |
Medium
|
adobe
airbnb
alibaba
amazon
apple
atlassian
baidu
bloomberg
bytedance
ebay
expedia
facebook
goldman-sachs
google
grab
jpmorgan
linkedin
microsoft
oracle
pocket-gems
salesforce
snapchat
spotify
tencent
uber
vmware
yahoo
|
|
Longest Increasing Subsequence LIS |
Medium
|
adobe
amazon
apple
atlassian
ebay
facebook
google
microsoft
oracle
salesforce
uber
vmware
|
|
Lowest Common Ancestor of a Binary Tree |
Medium
|
adobe
airbnb
amazon
apple
atlassian
bloomberg
bytedance
ebay
facebook
google
intuit
linkedin
microsoft
oracle
paypal
pinterest
salesforce
splunk
uber
visa
yahoo
zillow
|
|
Skyline Problem |
Hard
|
adobe
amazon
apple
databricks
facebook
goldman-sachs
google
houzz
microsoft
salesforce
tableau
twitter
uber
yelp
|
|
Word Ladder 1 - Get Ladder Length |
Hard
|
affirm
amazon
apple
audible
bloomberg
cohesity
expedia
facebook
google
linkedin
lyft
microsoft
oracle
pinterest
qualtrics
salesforce
samsung
servicenow
snapchat
spotify
square
tesla
uber
vmware
yelp
zillow
|
|
Generate Parentheses Problem |
Medium
|
adobe
alibaba
amazon
apple
atlassian
bloomberg
bytedance
cisco
facebook
google
lyft
microsoft
nutanix
nvidia
salesforce
samsung
sap
snapchat
spotify
uber
yahoo
yandex
yelp
zenefits
|
|
Valid Parentheses |
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
|
|
Minimum Window Substring |
Hard
|
adobe
airbnb
amazon
apple
bloomberg
bytedance
cohesity
deutsche-bank
directi
ebay
facebook
godaddy
goldman-sachs
google
linkedin
lyft
microsoft
nutanix
oracle
salesforce
snapchat
tencent
twitter
uber
visa
vmware
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
|
|
Candy distribution Problem |
Hard
|
amazon
apple
google
microsoft
salesforce
uber
|
|
Reverse Words in a String |
Medium
|
amazon
apple
bloomberg
cisco
citadel
facebook
google
huawei
microsoft
nvidia
oracle
qualcomm
salesforce
snapchat
vmware
yelp
zillow
|
|
Find Minimum in Rotated Sorted Array |
Medium
|
amazon
apple
bloomberg
ebay
facebook
goldman-sachs
google
microsoft
oracle
salesforce
uber
vmware
wish
|
|
Set Matrix Zeros |
Medium
|
adobe
amazon
apple
audible
docusign
expedia
facebook
microsoft
oracle
paypal
salesforce
tripadvisor
|
|
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
|
|
Graph Valid Tree |
Medium
|
amazon
facebook
google
linkedin
pinterest
zenefits
adobe
salesforce
|
|
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
|
|
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
|
|
Simplify Path Problem |
Medium
|
adobe
amazon
bloomberg
bytedance
docusign
facebook
microsoft
oracle
salesforce
yandex
quora
|
|
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
|
|
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
|
|
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
|
|
Find the Smallest Divisor Given a Threshold Problem |
Medium
|
bytedance
expedia
salesforce
sap
|
|
LFU Cache Problem |
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
|
|
Symmetric Binary Tree |
Easy
|
adobe
alibaba
amazon
apple
atlassian
audible
bloomberg
facebook
google
linkedin
microsoft
oracle
salesforce
sap
tripadvisor
twitter
uber
visa
vmware
yandex
|
|
Remove duplicates from Sorted List 1 |
Easy
|
adobe
amazon
apple
bytedance
ebay
facebook
google
microsoft
salesforce
|
|
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
|
|
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
|
|
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 Pivot Index |
Easy
|
amazon
apple
bloomberg
citadel
coupang
expedia
facebook
godaddy
goldman-sachs
google
indeed
microsoft
radius
salesforce
tesla
|
|