| Validate stack permutation based on triplet condition | Medium | | |
| Check If an Integer's Bit Representation Is a Palindrome | Medium | | |
| Count and Say Sequence | Medium | adobe
amazon
apple
bloomberg
epic-systems
facebook
google
microsoft
oracle | |
| Compare Version Numbers | Medium | amazon
apple
arista-networks
google
microsoft
square | |
| ZigZag Conversion | Medium | adobe
amazon
apple
bloomberg
facebook
google
microsoft
paypal
uber
wish | |
| Bulls and Cows | Medium | airbnb
amazon
google
microsoft
uber
zillow | |
| Sentence Screen Fitting | Medium | google
robinhood | |
| Next Greater Element 3 - Find smallest number larger than given number using same digits same digits | Medium | amazon
bloomberg
facebook
houzz
microsoft
vmware | |
| Next Greater number with given set of digits | Medium | | |
| Largest Number From Given Numbers | Medium | amazon
apple
bytedance
facebook
google
microsoft
oracle
salesforce
uber
works-applications
twitter | |
| My Calendar 1 | Medium | amazon
apple
google
intuit
microsoft
qualtrics
uber | |
| Maximum Number of Groups Entering a Competition | Medium | | |
| Kth Smallest Element in a Sorted Matrix | Medium | adobe
amazon
apple
bloomberg
facebook
google
microsoft
twitter
uber
yahoo | |
| Print FooBar Alternately Problem | Medium | | |
| Print Zero Even Odd Problem | Medium | goldman-sachs
microsoft | |
| Paint House 1 - N houses with 3 colors with no two adjacent houses with same color color | Medium | apple
linkedin
microsoft
tencent
twitter | |
| Short Encoding of Words | Medium | | |
| Maximum Points You Can Obtain from Cards Problem | Medium | flipkart
google | |
| Super Ugly Number | Medium | google | |
| Rearrange Array Elements by Sign | Medium | | |
| Basic Calculator 2 Problem | Medium | airbnb
amazon
apple
atlassian
doordash
ebay
facebook
google
houzz
indeed
intuit
ixl
microsoft
oracle
paypal
postmates
reddit
snapchat
tableau
tencent
uber | |
| Random Flip Matrix | Medium | google | |
| Random Pick Index | Medium | facebook
google
uber | |
| Blum Floyd Pratt Rivest Tarjan Algorithm | Medium | | |
| Reverse Linked List 2 - between m and n | Medium | adobe
amazon
apple
bloomberg
bytedance
docusign
facebook
google
microsoft
oracle | |
| Get sqrt nth node in Linked List | Medium | | |
| Equal Average Partition | Medium | amazon | |
| Longest String Chain | Medium | akuna-capital
amazon
citadel
google
sap
two-sigma
vmware | |
| Delete Operation for Two Strings | Medium | google | |
| Minimum Triangle path sum from top to bottom | Medium | amazon
apple
bloomberg
goldman-sachs
google
houzz
microsoft | |
| 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 | |
| Sum Root to Leaf Numbers | Medium | amazon
bloomberg
ebay
facebook
google
microsoft | |
| All Possible Full Binary Trees | Medium | google
oracle | |
| Maximum Sum Circular Subarray | Medium | amazon
facebook
two-sigma
uber | |
| Calculate Hash Code for String | Medium | | |
| Top K Frequent Words | Medium | adobe
amazon
apple
atlassian
bloomberg
expedia
facebook
google
linkedin
microsoft
oracle
pocket-gems
salesforce
tripadvisor
uber
vmware
yelp | |
| H-Index 2 | Medium | facebook | |
| Coin Change with Fewest Number of Coins Given Canonical System and Infinite Supply | Medium | google | |
| 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 | 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 | |
| Design Add and Search Words Data Structure | Medium | airbnb
amazon
apple
ebay
facebook
google
microsoft
salesforce
uber | |
| Max Chunks to Make Sorted | Medium | google
microsoft
uber | |
| Score of Parentheses | Medium | adobe
amazon
bytedance | |
| Verify Preorder Sequence in Binary Search Tree | Medium | mathworks
uber
zenefits | |
| Find right-most cousin in a binary tree | Medium | | |
| Design Circular Queue | Medium | airbnb
amazon
apple
citadel
cloudera
facebook
google
microsoft
oracle
splunk | |
| Detect Squares | Medium | | |
| Path with Maximum Probability | Medium | google | |