| Squares of a Sorted array Problem |
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
|
|
| Remove duplicates from Sorted Array 1 |
Easy
|
adobe
amazon
apple
bloomberg
cisco
cohesity
ebay
facebook
google
hulu
microsoft
oracle
servicenow
uber
vmware
|
|
| 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
|
|
| Remove Nth Node From End of List |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
cisco
facebook
goldman-sachs
google
microsoft
oracle
vmware
yandex
|
|
| 4Sum |
Medium
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
samsung
yahoo
|
|
| Regular Expression Matching Problem |
Hard
|
adobe
airbnb
alibaba
amazon
apple
bloomberg
bytedance
coursera
databricks
ebay
facebook
flipkart
google
houzz
lyft
microsoft
oracle
palantir-technologies
pocket-gems
twitter
uber
zulily
|
|
| Wildcard Matching Problem |
Hard
|
adobe
amazon
bloomberg
bytedance
coursera
cruise-automation
facebook
goldman-sachs
google
microsoft
oracle
snapchat
twitter
two-sigma
|
|
| 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
|
|
| Path Sum 1 - Check if root to leaf path exists |
Easy
|
adobe
amazon
apple
bloomberg
facebook
microsoft
oracle
zillow
|
|
| Remove duplicates from Sorted List 2 |
Medium
|
adobe
amazon
apple
bloomberg
google
microsoft
paypal
salesforce
|
|
| Isomorphic Strings |
Easy
|
adobe
amazon
bloomberg
facebook
google
linkedin
microsoft
oracle
salesforce
yahoo
yelp
|
|
| Kth Largest Element in a Stream |
Easy
|
adobe
amazon
apple
bloomberg
ebay
facebook
google
microsoft
nutanix
|
|
| Number of 1 Bits |
Easy
|
adobe
amazon
apple
box
cisco
facebook
google
microsoft
qualcomm
|
|
| Unique Email Addresses Problem |
Easy
|
adobe
amazon
facebook
google
microsoft
|
|
| Search Insert Position in sorted array |
Easy
|
adobe
amazon
apple
bloomberg
google
microsoft
sap
|
|
| Remove Linked List Elements Problem |
Easy
|
adobe
amazon
apple
bloomberg
capital-one
facebook
google
microsoft
paypal
pure-storage
uber
|
|
| Min Stack |
Medium
|
adobe
amazon
apple
bloomberg
ebay
facebook
flipkart
goldman-sachs
google
groupon
intuit
linkedin
lyft
microsoft
morgan-stanley
netflix
oracle
pure-storage
servicenow
snapchat
uber
visa
wish
zenefits
|
|
| Happy Number |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
ebay
evernote
facebook
google
jpmorgan
microsoft
nutanix
pinterest
pure-storage
twitter
uber
|
|
| First Unique Character in a String |
Easy
|
adobe
amazon
apple
bloomberg
facebook
goldman-sachs
google
huawei
jpmorgan
linkedin
microsoft
servicenow
yahoo
zillow
zulily
|
|
| Substring with Concatenation of All Words |
Hard
|
adobe
amazon
apple
bloomberg
dropbox
facebook
google
microsoft
|
|
| Merge Two Binary Trees |
Easy
|
adobe
amazon
apple
bloomberg
facebook
huawei
oracle
|
|
| Palindrome Linked List Problem |
Easy
|
adobe
amazon
apple
bloomberg
cisco
facebook
google
grab
intel
ixl
microsoft
nutanix
snapchat
vmware
|
|
| Fizz Buzz Problem |
Easy
|
adobe
amazon
apple
bloomberg
capital-one
cisco
google
linkedin
microsoft
oracle
salesforce
spotify
wayfair
|
|
| Count and Say Sequence Problem |
Medium
|
adobe
amazon
apple
bloomberg
epic-systems
facebook
google
microsoft
oracle
|
|
| ZigZag Conversion |
Medium
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
paypal
uber
wish
|
|
| Plus One 1 - Given number as array plus one |
Easy
|
adobe
amazon
apple
bloomberg
capital-one
ebay
facebook
google
spotify
uber
|
|
| Design HashMap Problem |
Easy
|
adobe
amazon
apple
atlassian
dell
facebook
goldman-sachs
google
linkedin
microsoft
nvidia
oracle
reddit
salesforce
servicenow
tableau
twitter
uber
vmware
|
|
| Basic Calculator 1 Problem |
Hard
|
adobe
amazon
bloomberg
facebook
google
indeed
intuit
jump-trading
karat
microsoft
paypal
pinterest
robinhood
roblox
snapchat
uber
|
|
| Rising Temperature Problem |
Easy
|
adobe
|
|
| Employees Earning More Than Their Managers Problem |
Easy
|
adobe
amazon
apple
facebook
google
|
|
| Add Digits in Number Problem |
Easy
|
adobe
apple
bloomberg
microsoft
|
|
| Reverse Linked List 2 - between m and n |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
docusign
facebook
google
microsoft
oracle
|
|
| 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
|
|
| 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
|
|
| Top K Frequent Words Problem |
Medium
|
adobe
amazon
apple
atlassian
bloomberg
expedia
facebook
google
linkedin
microsoft
oracle
pocket-gems
salesforce
tripadvisor
uber
vmware
yelp
|
|
| 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
|
|
| Binary Tree Traversal - Vertical Order Traversal |
Medium
|
adobe
amazon
bloomberg
bytedance
databricks
expedia
facebook
google
mathworks
microsoft
oracle
reddit
salesforce
snapchat
wish
|
|
| Score of Parentheses Problem |
Medium
|
adobe
amazon
bytedance
|
|
| 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
|
|
| Encode and Decode TinyURL Problem |
Medium
|
adobe
amazon
bloomberg
facebook
google
microsoft
oracle
uber
|
|