| Happy Number | Easy | adobe
airbnb
amazon
apple
bloomberg
ebay
evernote
facebook
google
jpmorgan
microsoft
nutanix
pinterest
pure-storage
twitter
uber | |
| Replace Elements with Greatest Element on Right Side | Easy | amazon | |
| Invert Binary Tree | Easy | amazon
apple
bloomberg
facebook
google
microsoft
salesforce
vmware | |
| First Unique Character in a String | Easy | adobe
amazon
apple
bloomberg
facebook
goldman-sachs
google
huawei
jpmorgan
linkedin
microsoft
servicenow
yahoo
zillow
zulily | |
| Merge Two Binary Trees | Easy | adobe
amazon
apple
bloomberg
facebook
huawei
oracle
salesforce | |
| Palindrome Linked List | Easy | adobe
amazon
apple
bloomberg
cisco
facebook
google
grab
intel
ixl
microsoft
nutanix
snapchat
vmware | |
| Climbing Stairs - Take atmost 3 steps | Easy | | |
| Reverse the given Array without using built in function | Easy | | |
| Print all sub sequences of a given array | Easy | | |
| Minimum Distance Between Two Elements in an Array | Easy | | |
| Maximum Product of Three Numbers | Easy | amazon
apple
bloomberg
cisco
citadel
coursera
facebook
goldman-sachs
intuit
redfin
symantec | |
| Maximum Difference between two elements in array | Easy | | |
| Implement stack using linked list | Easy | | |
| Implement stack using an array | Easy | | |
| Fizz Buzz | Easy | adobe
amazon
apple
bloomberg
capital-one
cisco
google
linkedin
microsoft
oracle
salesforce
spotify
wayfair | |
| Find largest three elements in an array | Easy | | |
| Find First Intersection Point Between Two Sorted Arrays | Easy | | |
| Intersection of Three Sorted Arrays | Easy | facebook
tripadvisor | |
| Excel Sheet Column Number | Easy | amazon
apple
bloomberg
dropbox
facebook
factset
google
microsoft
uber | |
| Validate stack operation sequence | Easy | | |
| Count Negative Numbers in a Sorted Matrix | Easy | amazon | |
| Check if two given matrices are identical | Easy | | |
| Plus One 1 - Given number as array plus one | Easy | adobe
amazon
apple
bloomberg
capital-one
ebay
facebook
google
spotify
uber | |
| Make Array Zero by Subtracting Equal Amounts | Easy | | |
| Repeated Substring Pattern | Easy | amazon
google
microsoft | |
| Print in Order Problem | Easy | adobe
amazon
apple
bloomberg
google
microsoft | |
| 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 | Easy | | |
| Design HashMap | Easy | adobe
amazon
apple
atlassian
dell
facebook
goldman-sachs
google
linkedin
microsoft
nvidia
oracle
reddit
salesforce
servicenow
tableau
twitter
uber
vmware | |
| Design Hashset | Easy | amazon
google | |
| Ugly Number | Easy | facebook | |
| Product Sales Analysis II | Easy | amazon | |
| Product Sales Analysis I | Easy | amazon | |
| Swap Salary Problem | Easy | | |
| Not Boring Movies Problem | Easy | | |
| Leetcode 619 - Biggest Single Number Problem | Easy | | |
| Shortest Distance Problem | Easy | | |
| Consecutive Available Seats | Easy | | |
| Friend Requests I - Overall Acceptance Rate Problem | Easy | facebook | |
| Find Customer Referee Problem | Easy | amazon | |
| Employee Bonus Problem | Easy | netsuite | |
| Game Play Analysis II | Easy | gsn-games | |
| Rising Temperature Problem | Easy | adobe | |
| Duplicate Emails Problem | Easy | | |
| Employees Earning More Than Their Managers Problem | Easy | adobe
amazon
apple
facebook
google | |
| Weather Type in Each Country | Easy | point72 | |
| The Winner University | Easy | | |
| Customer Order Frequency | Easy | amazon | |
| Top Travellers | Easy | point72 | |
| The Number of Users That Are Eligible for Discount | Easy | | |