| Reorder Data in Log Files |
Medium
|
amazon
apple
audible
|
|
| Russian Doll Envelopes |
Hard
|
amazon
google
microsoft
|
|
| Self Crossing |
Hard
|
amazon
google
|
|
| Shortest Distance from All Buildings |
Hard
|
amazon
bytedance
facebook
goldman-sachs
google
mathworks
microsoft
snapchat
splunk
uber
zenefits
|
|
| Shortest Path Visiting All Nodes |
Hard
|
amazon
google
meituan
|
|
| Shuffle an Array |
Medium
|
amazon
apple
bloomberg
cisco
facebook
google
linkedin
microsoft
salesforce
tripadvisor
two-sigma
yahoo
|
|
| Smallest Range Covering Elements from K Lists |
Hard
|
amazon
apple
facebook
google
lyft
microsoft
pinterest
snapchat
|
|
| Sort Array By Parity |
Easy
|
amazon
apple
cisco
facebook
google
microsoft
oracle
vmware
|
|
| Third Maximum Number |
Easy
|
amazon
bloomberg
facebook
google
microsoft
|
|
| Two City Scheduling |
Medium
|
amazon
bloomberg
facebook
google
|
|
| Video Stitching |
Medium
|
amazon
google
|
|
| Walls and Gates |
Medium
|
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
spotify
uber
|
|
| Water and Jug |
Medium
|
amazon
google
lyft
microsoft
uber
|
|
| Wiggle Subsequence |
Medium
|
amazon
facebook
uber
|
|
| Minimum Domino Rotations For Equal Row |
Medium
|
amazon
google
|
|
| Smallest positive integer that cannot be represented as the sum of a subset of a sorted array |
Easy
|
amazon
|
|
| Length of Longest Fibonacci Subsequence |
Medium
|
amazon
baidu
|
|
| Construct Binary Tree from Preorder and Postorder Traversal |
Medium
|
amazon
bloomberg
facebook
google
uber
|
|
| Recover a Tree From Preorder Traversal |
Hard
|
amazon
linkedin
|
|
| Making A Large Island |
Hard
|
amazon
facebook
google
uber
|
|
| Count Servers that Communicate |
Medium
|
amazon
google
|
|
| Busiest period in a building |
Easy
|
amazon
|
|
| Explaining API vs SDK to Non-Technical Person |
Medium
|
amazon
|
|
| Count Digits Without Loops |
Easy
|
amazon
|
|
| Word Subsets |
Medium
|
amazon
facebook
google
|
|
| Implement a bit array |
Medium
|
amazon
|
|
| String Matching in an Array |
Easy
|
amazon
|
|
| Break a string into lines of length k without breaking words |
Medium
|
amazon
|
|
| Find Largest Value in Each Tree Row |
Medium
|
amazon
apple
facebook
linkedin
microsoft
|
|
| Alien Dictionary |
Hard
|
airbnb
amazon
apple
bloomberg
cohesity
doordash
facebook
flipkart
google
microsoft
pinterest
pocket-gems
snapchat
square
twitter
uber
vmware
|
|
| Binary Tree Pruning |
Medium
|
amazon
buffer-box
capital-one
google
hulu
twitter
|
|
| Construct Binary Search Tree BST from Preorder Traversal |
Medium
|
amazon
facebook
microsoft
oracle
|
|
| Delete in a Binary Search Tree |
Medium
|
amazon
apple
bloomberg
cisco
facebook
google
linkedin
microsoft
oracle
uber
yahoo
|
|
| Falling Squares |
Hard
|
amazon
square
uber
|
|
| Find GCD of n numbers |
Easy
|
amazon
|
|
| Find K Closest Elements |
Medium
|
amazon
apple
bloomberg
ebay
facebook
google
microsoft
snapchat
uber
|
|
| Find Leaves of Binary Tree |
Medium
|
amazon
atlassian
ebay
google
linkedin
pocket-gems
|
|
| Insert into a Binary Search Tree |
Medium
|
amazon
atlassian
facebook
google
microsoft
|
|
| K closest Points to Origin |
Medium
|
amazon
apple
asana
ebay
expedia
facebook
goldman-sachs
google
linkedin
microsoft
oracle
paypal
uber
visa
yahoo
|
|
| Largest Divisible Subset |
Medium
|
adobe
amazon
google
|
|
| Maximum Binary Tree |
Medium
|
amazon
facebook
google
microsoft
|
|
| My Calendar 3 |
Hard
|
amazon
google
|
|
| Non-overlapping Intervals |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
stripe
|
|
| Number of Connected Components in an Undirected Graph |
Medium
|
amazon
facebook
google
linkedin
microsoft
twitter
|
|
| Pacific Atlantic Water Flow |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
oracle
|
|
| Palindromic Substrings |
Medium
|
adobe
amazon
apple
atlassian
citadel
coursera
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
pure-storage
roblox
twitter
uber
vmware
|
|
| Plus One 2 - Given number as Linked List plus one |
Medium
|
amazon
google
|
|
| Pseudo-Palindromic Paths in a Binary Tree |
Medium
|
amazon
|
|
| Range Sum Query - Immutable |
Easy
|
amazon
bloomberg
facebook
goldman-sachs
google
microsoft
palantir-technologies
|
|
| Sum of Two Integers |
Medium
|
amazon
apple
facebook
google
hulu
|
|