Collatz Sequence |
Easy
|
apple
|
|
Find Largest Value in Each Tree Row Problem |
Medium
|
amazon
apple
facebook
linkedin
microsoft
|
|
Alien Dictionary |
Hard
|
airbnb
amazon
apple
bloomberg
cohesity
doordash
facebook
flipkart
google
microsoft
pinterest
pocket-gems
snapchat
square
twitter
uber
vmware
|
|
Binary Search Tree BST Operations - Delete |
Medium
|
amazon
apple
bloomberg
cisco
facebook
google
linkedin
microsoft
oracle
uber
yahoo
|
|
K closest Points to Origin |
Medium
|
amazon
apple
asana
ebay
expedia
facebook
goldman-sachs
google
linkedin
microsoft
oracle
paypal
uber
visa
yahoo
|
|
Non-overlapping Intervals |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
stripe
|
|
Pacific Atlantic Water Flow |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
oracle
|
|
Palindromic Substrings |
Medium
|
adobe
amazon
apple
atlassian
citadel
coursera
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
pure-storage
roblox
twitter
uber
vmware
|
|
Sum of Two Integers |
Medium
|
amazon
apple
facebook
google
hulu
|
|
Task Scheduler |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
nutanix
oracle
pinterest
uber
vmware
|
|
Top K Frequent Elements |
Medium
|
amazon
apple
bloomberg
bytedance
ebay
facebook
goldman-sachs
google
hulu
linkedin
microsoft
oracle
pocket-gems
snapchat
spotify
uber
vmware
yahoo
yelp
|
|
Contiguous Array |
Medium
|
adobe
amazon
apple
facebook
google
microsoft
quora
robinhood
vmware
|
|
Interval List Intersections |
Medium
|
amazon
apple
bloomberg
cruise-automation
doordash
facebook
google
oracle
pinterest
snapchat
uber
|
|
Binary Tree Path Sum - Minimum Sum Root to Leaf path |
Easy
|
apple
|
|
Rectangle Overlap |
Easy
|
adobe
amazon
apple
bloomberg
goldman-sachs
google
mathworks
microsoft
oracle
|
|
Binary Tree Path - All root to leaf paths |
Easy
|
adobe
amazon
apple
facebook
google
microsoft
|
|
Diagonal Traverse Problem |
Medium
|
amazon
apple
ebay
facebook
google
microsoft
quora
splunk
|
|
Maximum Swap Problem |
Medium
|
amazon
apple
bytedance
facebook
microsoft
uber
|
|
Smallest Range Covering Elements from K Lists Problem |
Hard
|
amazon
apple
facebook
google
lyft
microsoft
pinterest
snapchat
|
|
Implement Job Scheduler with Delay Function Execution |
Medium
|
apple
|
|
Accounts Merge |
Medium
|
amazon
apple
bloomberg
facebook
google
houzz
linkedin
microsoft
oracle
|
|
Number of cells in multiplication table containing X |
Medium
|
apple
|
|
Find Common Characters Problem |
Easy
|
adobe
amazon
apple
bloomberg
tripadvisor
|
|
Permutations of Array 2 - Array has duplicates |
Medium
|
adobe
amazon
apple
bloomberg
facebook
linkedin
microsoft
uber
vmware
|
|
Implement Power Function 1 |
Medium
|
adobe
amazon
apple
asana
bloomberg
ebay
facebook
goldman-sachs
google
linkedin
microsoft
morgan-stanley
oracle
uber
vmware
|
|
Maximum Points on a Line |
Hard
|
amazon
apple
bloomberg
directi
google
inmobi
linkedin
microsoft
tripadvisor
twitter
uber
|
|
Missing Number |
Easy
|
adobe
amazon
apple
arista-networks
bloomberg
facebook
google
ibm
microsoft
oracle
servicenow
vmware
zillow
|
|
Reverse Integer Problem |
Medium
|
adobe
amazon
apple
barclays
bloomberg
cisco
facebook
google
jpmorgan
lyft
microsoft
netease
oracle
uber
yahoo
|
|
Palindrome Number Problem |
Easy
|
adobe
amazon
apple
bloomberg
facebook
google
hcl
jpmorgan
microsoft
oracle
yahoo
|
|
Longest Duplicate Substring Problem |
Hard
|
amazon
apple
google
microsoft
oracle
|
|
Balanced Binary Tree Problem |
Easy
|
adobe
amazon
apple
bloomberg
bytedance
cisco
facebook
google
microsoft
|
|
Best Time To Buy And Sell Stock With Cooldown |
Medium
|
amazon
apple
facebook
google
|
|
Binary Tree Path Sum - Maximum between any two nodes |
Hard
|
adobe
amazon
appdynamics
apple
baidu
bloomberg
bytedance
facebook
google
intuit
microsoft
twitter
uber
vmware
|
|
Binary Tree Traversal - Zigzag Level Order Traversal |
Medium
|
amazon
apple
bloomberg
bytedance
ebay
facebook
google
linkedin
microsoft
oracle
qualtrics
samsung
servicenow
yahoo
|
|
Construct Binary Tree from Inorder and Preorder Traversal |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
citadel
facebook
google
microsoft
oracle
square
twitter
yahoo
|
|
Contains Duplicate 2 - within k distance |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
google
microsoft
palantir-technologies
|
|
Contains Duplicate 3 - within k distance and t difference |
Hard
|
adobe
airbnb
apple
google
microsoft
palantir-technologies
|
|
Count of Smaller Numbers After Self |
Hard
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
oracle
uber
|
|
Count Primes |
Medium
|
adobe
amazon
apple
bloomberg
capital-one
ebay
facebook
goldman-sachs
google
intel
microsoft
oracle
yahoo
yandex
|
|
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
|
|
Find Peak Element in a Given Array |
Medium
|
amazon
apple
bloomberg
bytedance
facebook
google
ixl
lyft
microsoft
quora
uber
vmware
yahoo
|
|
Generate Nth Fibonacci Number |
Easy
|
amazon
apple
barclays
facebook
mathworks
microsoft
sap
yahoo
|
|
Gray Code |
Medium
|
amazon
apple
microsoft
|
|
Jump Game 2 - Get min jumps |
Medium
|
adobe
amazon
apple
facebook
google
huawei
microsoft
nutanix
oracle
uber
|
|
Least Number of Perfect Squares that Sums to n |
Medium
|
adobe
amazon
apple
cisco
ebay
facebook
godaddy
google
grammarly
linkedin
lyft
microsoft
uber
yandex
|
|
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
|
|
Palindrome Pairs |
Hard
|
airbnb
amazon
apple
bloomberg
facebook
google
square
uber
|
|
Palindrome Permutation |
Easy
|
amazon
apple
bloomberg
facebook
google
microsoft
uber
|
|
Partition List Problem |
Medium
|
amazon
apple
linkedin
microsoft
|
|
Peeking Iterator |
Medium
|
amazon
apple
atlassian
ebay
facebook
google
microsoft
oracle
yahoo
|
|