| 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
|
|
| Pascal’s Triangle 1 - Generate first n rows |
Easy
|
adobe
amazon
apple
bloomberg
facebook
goldman-sachs
google
microsoft
twitter
uber
|
|
| 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
|
|
| Binary Tree Inorder Traversal |
Easy
|
alibaba
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
oracle
sap
uber
|
|
| Binary Tree Postorder Traversal |
Easy
|
adobe
amazon
facebook
google
uber
|
|
| Count Univalue Subtrees Problem |
Medium
|
amazon
bloomberg
box
ebay
facebook
google
|
|
| 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
|
|
| Inorder Successor in Binary Search Tree |
Medium
|
amazon
bloomberg
citadel
facebook
google
microsoft
palantir-technologies
pocket-gems
quip
zillow
|
|
| Unique Paths in Grid 1 - Count all paths moving right or down |
Medium
|
adobe
alibaba
amazon
apple
bloomberg
facebook
goldman-sachs
google
mathworks
microsoft
oracle
snapchat
uber
vmware
|
|
| 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
|
|
| Last Stone Weight Problem |
Easy
|
amazon
google
|
|
| Maximum Width of Binary Tree |
Medium
|
amazon
bloomberg
ebay
facebook
google
microsoft
uber
|
|
| Cousins in Binary Tree Problem |
Easy
|
adobe
amazon
bloomberg
facebook
goldman-sachs
microsoft
|
|
| Implement stack using priority queue |
Easy
|
adobe
microsoft
amazon
|
|
| Climbing Stairs 1 - Take atmost 2 Steps |
Easy
|
adobe
alibaba
amazon
apple
baidu
bloomberg
citadel
facebook
goldman-sachs
google
huawei
linkedin
microsoft
nvidia
oracle
tripadvisor
uber
zulily
|
|
| Clone Undirected Graph |
Medium
|
amazon
apple
facebook
google
linkedin
mathworks
microsoft
pocket-gems
splunk
twitter
uber
vmware
|
|
| Convert Sorted Array to height-balanced Binary Search Tree |
Easy
|
airbnb
amazon
apple
bloomberg
cisco
facebook
google
microsoft
oracle
yahoo
|
|
| Copy List with Random Pointer |
Medium
|
adobe
amazon
apple
bloomberg
capital-one
ebay
expedia
facebook
google
microsoft
nutanix
oracle
qualtrics
snapchat
uber
visa
yahoo
|
|
| Intersection of Two Linked Lists |
Easy
|
airbnb
alibaba
amazon
apache-design
bloomberg
bytedance
cisco
ebay
expedia
facebook
goldman-sachs
google
linkedin
microsoft
morgan-stanley
netapp
oracle
qualcomm
redfin
sap
tencent
yahoo
|
|
| Lowest Common Ancestor of a Binary Search Tree |
Medium
|
adobe
amazon
bloomberg
cisco
facebook
google
linkedin
microsoft
oracle
twitter
uber
|
|
| Maximal Square |
Medium
|
adobe
airbnb
amazon
appdynamics
apple
bloomberg
citadel
facebook
google
huawei
microsoft
oracle
two-sigma
uber
vmware
|
|
| 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
|
|
| N-Queens |
Hard
|
adobe
amazon
apple
bytedance
ebay
facebook
google
microsoft
oracle
rubrik
tableau
uber
|
|
| Binary Tree Right Side View |
Medium
|
adobe
amazon
apple
atlassian
bloomberg
bytedance
citadel
ebay
facebook
google
mathworks
microsoft
nvidia
oracle
paypal
sap
uber
vmware
|
|
| Diameter Of a Binary Tree |
Easy
|
adobe
amazon
apple
atlassian
baidu
bloomberg
bytedance
facebook
google
intel
microsoft
oracle
qualtrics
tencent
|
|
| K Reverse a linked list |
Hard
|
adobe
amazon
apple
bytedance
cisco
cohesity
ebay
facebook
google
mathworks
microsoft
paypal
vmware
|
|
| Linked List Cycle 1 - Detect Cycle |
Easy
|
adobe
amazon
apple
bloomberg
cisco
ebay
facebook
goldman-sachs
google
linkedin
microsoft
oracle
vmware
yahoo
|
|
| Maximum Depth of Binary Tree |
Easy
|
adobe
amazon
apple
bloomberg
bytedance
facebook
goldman-sachs
google
linkedin
microsoft
paypal
sap
uber
yahoo
|
|
| Populate next pointer to right node in Perfect Binary Tree |
Medium
|
amazon
apple
bloomberg
didi
facebook
google
microsoft
nutanix
oracle
sap
vmware
|
|
| Same Tree |
Easy
|
amazon
apple
bloomberg
facebook
google
linkedin
microsoft
|
|
| Sum of Left Leaves |
Easy
|
adobe
amazon
bloomberg
expedia
facebook
google
mathworks
|
|
| Binary Tree Preorder Traversal |
Easy
|
amazon
bloomberg
cisco
google
microsoft
|
|
| Best Time To Buy And Sell Stock 4 - at most k times |
Hard
|
amazon
apple
bloomberg
facebook
google
|
|
| Generate nth ugly number |
Medium
|
amazon
oracle
uber
|
|
| House Robber 2 - Houses in circle |
Medium
|
amazon
ebay
google
microsoft
|
|
| Palindrome Partitioning Problem |
Medium
|
adobe
amazon
bloomberg
google
microsoft
qualtrics
uber
yahoo
|
|
| Boats to Save People |
Medium
|
amazon
factset
google
|
|
| 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
|
|
| 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
|
|
| Evaluate Reverse Polish Notation |
Medium
|
amazon
atlassian
facebook
google
jane-street
linkedin
microsoft
opendoor
oracle
uber
vmware
yandex
zillow
|
|
| 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 Problem |
Easy
|
amazon
bloomberg
coursera
facebook
google
pinterest
|
|
| Convert String to Integer atoi Problem |
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
|
|