| IPO Problem |
Hard
|
|
|
| Max Stack Problem |
Hard
|
amazon
bloomberg
facebook
google
linkedin
lyft
microsoft
pure-storage
snapchat
twitter
|
|
| Reverse words in a string keep delimiters in order |
Hard
|
|
|
| Maximum Score Words Formed by Letters Problem |
Hard
|
amazon
|
|
| Minimum Cost to Hire K Workers Problem |
Hard
|
bloomberg
google
|
|
| Maximum Points on a Line |
Hard
|
amazon
apple
bloomberg
directi
google
inmobi
linkedin
microsoft
tripadvisor
twitter
uber
|
|
| Find Longest Awesome Substring Problem |
Hard
|
|
|
| Longest Common Subsequence LCS of Three Sequences |
Hard
|
youtube
|
|
| Longest Duplicate Substring Problem |
Hard
|
amazon
apple
google
microsoft
oracle
|
|
| Longest Happy Prefix Problem |
Hard
|
google
|
|
| Minimum Number of Removals to Make Mountain Array Problem |
Hard
|
|
|
| Search a long string for small strings in an array |
Hard
|
|
|
| Shortest Common Supersequence |
Hard
|
microsoft
|
|
| Split Message Based on Limit Problem |
Hard
|
amazon
uber
|
|
| Binary Tree Path Sum - Maximum between any two nodes |
Hard
|
adobe
amazon
appdynamics
apple
baidu
bloomberg
bytedance
facebook
google
intuit
microsoft
twitter
uber
vmware
|
|
| 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
|
|
| Create Maximum Number Problem |
Hard
|
amazon
google
|
|
| 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 the Closest Palindrome Problem |
Hard
|
amazon
facebook
google
microsoft
nutanix
pinterest
uber
yelp
|
|
| Largest Rectangle in Histogram |
Hard
|
adobe
amazon
bloomberg
facebook
flipkart
google
microsoft
twitter
|
|
| Max Chunks To Make Sorted 2 Problem |
Hard
|
google
microsoft
|
|
| 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 Problem |
Hard
|
bloomberg
google
quora
|
|
| Paint House 2 - N houses with k colors with no two adjacent houses with same color |
Hard
|
facebook
google
linkedin
snapchat
|
|
| Palindrome Pairs |
Hard
|
airbnb
amazon
apple
bloomberg
facebook
google
square
uber
|
|
| Reconstruct Itinerary Problem |
Hard
|
amazon
apple
bloomberg
citadel
facebook
goldman-sachs
google
microsoft
qualtrics
snapchat
square
twilio
uber
yandex
yelp
|
|
| Remove Invalid Parentheses Problem |
Hard
|
amazon
apple
bloomberg
facebook
google
houzz
ponyai
postmates
uber
|
|
| Serialize and Deserialize Binary Tree |
Hard
|
amazon
apple
bloomberg
citadel
ebay
expedia
facebook
google
groupon
indeed
linkedin
microsoft
oracle
qualtrics
quora
salesforce
snapchat
tableau
uber
vmware
yahoo
|
|
| Shortest Palindrome 1 - Prepending characters |
Hard
|
adobe
amazon
bloomberg
facebook
google
microsoft
oracle
pocket-gems
|
|
| Smallest K-Length Subsequence With Occurrences of a Letter Problem |
Hard
|
|
|
| Strobogrammatic Number 3 - Count in Range |
Hard
|
facebook
google
|
|
| Student Attendance Record 2 Problem |
Hard
|
google
uber
|
|
| Sudoku Solver Problem |
Hard
|
adobe
amazon
apple
arista-networks
doordash
dropbox
expedia
facebook
google
microsoft
oracle
riot-games
roblox
snapchat
uber
vmware
wish
|
|
| Trips and Users Problem |
Hard
|
amazon
uber
|
|
| Valid Number Problem |
Hard
|
adobe
amazon
apple
facebook
google
linkedin
microsoft
tripadvisor
|
|
| Word Break 2 - Construct a sentence |
Hard
|
amazon
apple
audible
bloomberg
bookingcom
dropbox
ebay
facebook
google
microsoft
oracle
pinterest
snapchat
twitter
uber
zillow
|
|
| Encode String with Shortest Length Problem |
Hard
|
google
|
|
| Constrained Subsequence Sum |
Hard
|
akuna-capital
|
|
| Maximum Score of a Good Subarray |
Hard
|
|
|
| Recover the Original Array |
Hard
|
|
|
| Design Skiplist Problem |
Hard
|
ebay
google
microsoft
pure-storage
twitter
|
|
| Human Traffic of Stadium |
Hard
|
adobe
amazon
uber
|
|
| Remove Max Number of Edges to Keep Graph Fully Traversable Problem |
Hard
|
|
|
| Similar String Groups Problem |
Hard
|
amazon
facebook
google
snapchat
|
|
| Sum of Distances in Tree |
Hard
|
google
|
|
| All O`one Data Structure Problem |
Hard
|
amazon
bloomberg
facebook
google
linkedin
microsoft
uber
|
|
| Encode N-ary Tree to Binary Tree |
Hard
|
microsoft
|
|
| K-th Smallest in Lexicographical Order Problem |
Hard
|
bytedance
google
hulu
|
|
| Trapping Rain Water 2 |
Hard
|
amazon
apple
bytedance
facebook
google
microsoft
twitter
|
|