| Swap alternate nodes in a singly linked list | | | |
| Split Linked List 1 - At Middle | | | |
| Merge a Linked list into another at Alternate Positions | Medium | | |
| Fizz Buzz Problem | Easy | adobe
amazon
apple
bloomberg
capital-one
cisco
google
linkedin
microsoft
oracle
salesforce
spotify
wayfair | |
| Find smallest and second smallest elements in an array | | | |
| Find row with maximum number of 1s in sorted matrix | | | |
| Find largest three elements in an array | Easy | | |
| Intersection of Three Sorted Arrays | Easy | facebook
tripadvisor | |
| Snakes and Ladders Problem | Medium | amazon
apple
cisco
facebook
google
hulu
microsoft
uber | |
| Find all prime factors of given number | | | |
| Find all unique combinations of factors for given number | | | |
| Excel Sheet Column Number Problem | Easy | amazon
apple
bloomberg
facebook
factset
google
microsoft
uber | |
| Deepest Left Node in a Binary Tree | | | |
| Calculate the number of valid stack permutations | | | |
| Check if number sequence can be generated using stack push and pop operations | | | |
| Validate stack operation sequence | | | |
| Validate stack permutation based on triplet condition | | | |
| Count Negative Numbers in a Sorted Matrix Problem | Easy | amazon | |
| Count and Say Sequence Problem | Medium | adobe
amazon
apple
bloomberg
epic-systems
facebook
google
microsoft
oracle | |
| Compare Version Numbers Problem | Medium | amazon
apple
arista-networks
google
microsoft
square | |
| ZigZag Conversion | Medium | adobe
amazon
apple
bloomberg
facebook
google
microsoft
paypal
uber
wish | |
| Check if two given matrices are identical | | | |
| Sentence Screen Fitting Problem | Medium | google
robinhood | |
| Next Greater Element 3 - Find smallest number larger than given number using same digits | Medium | amazon
bloomberg
facebook
houzz
microsoft
vmware | |
| Next Greater number with given set of digits | | | |
| Largest Number From Given Numbers | Medium | amazon
apple
bytedance
facebook
google
microsoft
oracle
salesforce
uber
works-applications | |
| Plus One 1 - Given number as array plus one | Easy | adobe
amazon
apple
bloomberg
capital-one
ebay
facebook
google
spotify
uber | |
| My Calendar 1 Problem | Medium | amazon
apple
google
intuit
microsoft
qualtrics
uber | |
| Maximum Number of Groups Entering a Competition | Medium | | |
| Make Array Zero by Subtracting Equal Amounts | Easy | | |
| Repeated Substring Pattern Problem | Easy | amazon
google
microsoft | |
| Paint House 1 - N houses with 3 colors with no two adjacent houses with same color | Medium | apple
linkedin
microsoft
tencent
twitter | |
| Short Encoding of Words Problem | Medium | | |
| Course Schedule 3 Problem | Hard | google
microsoft
works-applications | |
| Moving Average of Last N numbers in a Stream | Easy | amazon
appdynamics
bloomberg
facebook
google
indeed
microsoft
twitter
uber | |
| Moving Average of All Numbers in Stream | | | |
| Maximum Points You Can Obtain from Cards Problem | Medium | flipkart
google | |
| Design HashMap Problem | Easy | adobe
amazon
apple
atlassian
dell
facebook
goldman-sachs
google
linkedin
microsoft
nvidia
oracle
reddit
salesforce
servicenow
tableau
twitter
uber
vmware | |
| Design Hashset Problem | Easy | amazon
google | |
| Ugly Number Problem | Easy | facebook | |
| Super Ugly Number Problem | Medium | google | |
| Rearrange Array Elements by Sign Problem | Medium | | |
| Basic Calculator 4 Problem | Hard | amazon
google
indeed
intuit
pinterest
roblox | |
| Basic Calculator 3 Problem | Hard | amazon
apple
bytedance
doordash
facebook
google
houzz
hulu
jingchi
microsoft
pinterest
pocket-gems
snapchat
uber | |
| 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 | |
| Basic Calculator 1 Problem | Hard | adobe
amazon
bloomberg
facebook
google
indeed
intuit
jump-trading
karat
microsoft
paypal
pinterest
robinhood
roblox
snapchat
uber | |
| Product Sales Analysis II | Easy | amazon | |
| Product Sales Analysis I | | | |
| Swap Salary Problem | Easy | | |
| Not Boring Movies Problem | Easy | | |