| Custom Sort String |
Medium
|
amazon
facebook
google
uber
|
|
| Friend Words - One Edit Distance |
Medium
|
amazon
facebook
google
microsoft
snapchat
twitter
uber
|
|
| Longest Duplicate Substring Problem |
Hard
|
amazon
apple
google
microsoft
oracle
|
|
| Longest Happy Prefix |
Hard
|
google
|
|
| Balanced Binary Tree |
Easy
|
adobe
amazon
apple
bloomberg
bytedance
cisco
facebook
google
microsoft
paypal
|
|
| 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
morgan-stanley
|
|
| Binary Tree Upside Down |
Medium
|
google
linkedin
|
|
| Buddy Strings |
Easy
|
google
|
|
| Cherry Pickup |
Hard
|
adobe
akuna-capital
amazon
apple
citrix
flipkart
google
mathworks
oracle
uber
|
|
| Cherry Pickup II |
Hard
|
google
|
|
| Construct Binary Tree from Inorder and Postorder Traversal |
Medium
|
amazon
bloomberg
facebook
google
mathworks
microsoft
twitter
|
|
| 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
|
|
| Convert Sorted List into a height-balanced Binary search Tree |
Medium
|
amazon
bloomberg
facebook
google
lyft
microsoft
oracle
vmware
zenefits
|
|
| Count Inversions - Count Smaller on Right |
Medium
|
google
|
|
| 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
|
|
| Create Maximum Number |
Hard
|
amazon
google
|
|
| Different Ways to Add Parentheses |
Medium
|
amazon
cisco
citadel
facebook
google
|
|
| Distinct Subsequences |
Hard
|
adobe
amazon
barclays
google
mathworks
|
|
| Divisor Game |
Easy
|
bloomberg
google
visa
|
|
| Factor Combinations |
Medium
|
google
linkedin
pinterest
uber
|
|
| 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
|
|
| Find the Closest Palindrome |
Hard
|
amazon
facebook
google
microsoft
nutanix
pinterest
uber
yelp
|
|
| First Unique Character in a Stream of Characters |
Medium
|
amazon
google
microsoft
|
|
| Flip Game 1 |
Easy
|
google
|
|
| Flip Game 2 |
Medium
|
google
|
|
| Fraction to Recurring Decimal |
Medium
|
airbnb
amazon
apple
cohesity
facebook
goldman-sachs
google
ixl
microsoft
rubrik
uber
|
|
| Jump Game 2 - Get min jumps |
Medium
|
adobe
amazon
apple
facebook
google
huawei
microsoft
nutanix
oracle
uber
|
|
| Knight Dialer |
Medium
|
box
citadel
facebook
google
microsoft
pinterest
twilio
|
|
| Kth Permutation Sequence of Numbers 1 to N |
Hard
|
amazon
apple
facebook
google
microsoft
twitter
yahoo
|
|
| Largest Rectangle in Histogram |
Hard
|
adobe
amazon
bloomberg
facebook
flipkart
google
microsoft
twitter
|
|
| Least Number of Perfect Squares that Sums to n |
Medium
|
adobe
amazon
apple
cisco
ebay
facebook
godaddy
google
grammarly
linkedin
lyft
microsoft
uber
yandex
|
|
| Longest Palindrome |
Easy
|
amazon
google
intuit
|
|
| Max Chunks To Make Sorted 2 |
Hard
|
google
microsoft
|
|
| Maximum Size Subarray Sum equals K |
Medium
|
amazon
facebook
google
microsoft
palantir-technologies
|
|
| 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
|
|
| Minimum Insertion Steps to Make a String Palindrome |
Hard
|
bloomberg
google
quora
|
|
| My Calendar 2 |
Medium
|
amazon
google
|
|
| Odd Even Linked List - Bring odd nodes first and even later |
Medium
|
amazon
bloomberg
capital-one
ebay
facebook
google
microsoft
|
|
| Paint House 2 - N houses with k colors with no two adjacent houses with same color color |
Hard
|
facebook
google
linkedin
snapchat
|
|
| Palindrome Pairs |
Hard
|
airbnb
amazon
apple
bloomberg
facebook
google
square
uber
|
|
| Palindrome Partitioning II |
Hard
|
amazon
google
|
|
| Palindrome Permutation |
Easy
|
amazon
apple
bloomberg
facebook
google
microsoft
uber
|
|
| Partition to K Equal Sum Subsets Problem |
Medium
|
amazon
bytedance
ebay
facebook
google
houzz
linkedin
microsoft
pinterest
vmware
|
|
| Pascal’s Triangle 2 - Return nth row |
Easy
|
amazon
goldman-sachs
google
oracle
qualtrics
|
|