| Remove K Digits |
Medium
|
adobe
amazon
bloomberg
bytedance
didi
facebook
google
microsoft
nutanix
oracle
snapchat
vmware
|
|
| Reverse Words in a String 2 |
Medium
|
amazon
google
microsoft
uber
vmware
|
|
| Reverse Words in a String 3 |
Easy
|
amazon
apple
bloomberg
microsoft
paypal
salesforce
snapchat
yahoo
zappos
|
|
| Rotate n x n matrix by 90 degrees |
Medium
|
adobe
akuna-capital
amazon
apple
bloomberg
cisco
facebook
google
groupon
houzz
lyft
microsoft
nvidia
palantir
palantir-technologies
quora
salesforce
uber
wish
yandex
|
|
| Search in Rotated Sorted Array 2 - Check if number exists - Duplicates allowed |
Medium
|
adobe
amazon
bloomberg
facebook
google
microsoft
|
|
| Select Copy Paste 1 - Minimum operations |
Medium
|
bloomberg
microsoft
|
|
| 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
|
|
| Spiral Matrix 1 - Return |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
cisco
drawbridge
ebay
epic-systems
facebook
goldman-sachs
google
hulu
linkedin
microsoft
oracle
paypal
quip
robinhood
snapchat
uber
visa
|
|
| Square root of an integer |
Easy
|
amazon
apple
bloomberg
facebook
google
huawei
linkedin
lyft
microsoft
qualtrics
uber
wayfair
|
|
| Sudoku Solver |
Hard
|
adobe
amazon
apple
arista-networks
doordash
dropbox
expedia
facebook
google
microsoft
oracle
riot-games
roblox
snapchat
uber
vmware
wish
|
|
| Swap Nodes in Pairs |
Medium
|
adobe
amazon
apple
bloomberg
ebay
facebook
google
lyft
microsoft
oracle
sap
uber
|
|
| Unique BSTs 2 - Generate |
Medium
|
adobe
amazon
apple
facebook
microsoft
yahoo
|
|
| Valid Number |
Hard
|
adobe
amazon
apple
facebook
google
linkedin
microsoft
tripadvisor
|
|
| Valid Sudoku |
Medium
|
adobe
amazon
apple
bloomberg
cruise-automation
doordash
facebook
google
microsoft
oracle
pinterest
roblox
salesforce
snapchat
twitter
uber
vmware
|
|
| Validate Binary Search Tree |
Medium
|
adobe
amazon
apple
asana
atlassian
bloomberg
bytedance
capital-one
ebay
facebook
goldman-sachs
google
linkedin
mathworks
microsoft
oracle
salesforce
sap
tripadvisor
uber
visa
vmware
yahoo
yandex
|
|
| Word Break 2 - Construct a sentence |
Hard
|
amazon
apple
audible
bloomberg
bookingcom
dropbox
ebay
facebook
google
microsoft
oracle
pinterest
snapchat
twitter
uber
zillow
|
|
| Zigzag Iterator |
Medium
|
amazon
apple
cruise-automation
facebook
google
microsoft
yandex
|
|
| Validate IP Address |
Medium
|
amazon
cisco
facebook
google
microsoft
twitter
uber
|
|
| Implement Rand10() Using Rand7() |
Medium
|
apple
bloomberg
bytedance
linkedin
microsoft
|
|
| Sliding Window Median |
Hard
|
amazon
apple
facebook
google
microsoft
snapchat
spotify
|
|
| Permutation in String |
Medium
|
amazon
bloomberg
facebook
google
lyft
microsoft
uber
yahoo
yandex
|
|
| Shuffle the Array |
Easy
|
adobe
microsoft
|
|
| Find Duplicate Subtrees |
Medium
|
amazon
bloomberg
facebook
google
lyft
microsoft
oracle
uber
|
|
| Most Common Word |
Easy
|
amazon
apple
google
microsoft
oracle
|
|
| Max Area of Island |
Medium
|
adobe
affirm
amazon
apple
bloomberg
bytedance
cruise-automation
doordash
facebook
google
intuit
mathworks
microsoft
oracle
palantir-technologies
qualtrics
twitch
uber
wish
zillow
|
|
| Design Skiplist |
Hard
|
ebay
google
microsoft
pure-storage
twitter
|
|
| Count Odd Numbers in an Interval Range |
Easy
|
microsoft
|
|
| Sum of Subarray Minimums |
Medium
|
apple
hulu
microsoft
|
|
| Check Completeness of a Binary Tree |
Medium
|
amazon
bytedance
facebook
google
microsoft
oracle
|
|
| Kth Missing Positive Number |
Easy
|
microsoft
|
|
| Number of Provinces |
Medium
|
adobe
amazon
atlassian
bloomberg
drawbridge
ebay
facebook
goldman-sachs
google
linkedin
microsoft
pocket-gems
salesforce
twitter
two-sigma
uber
|
|
| Shortest Path in Binary Matrix |
Medium
|
amazon
facebook
google
microsoft
uber
|
|
| Subarray Sum Equals K |
Medium
|
adobe
amazon
apple
bloomberg
ebay
expedia
facebook
goldman-sachs
google
indeed
linkedin
microsoft
oracle
quora
snapchat
twilio
uber
wish
yahoo
yandex
|
|
| Possible Bipartition |
Medium
|
apple
facebook
google
microsoft
|
|
| Print Binary Tree |
Medium
|
facebook
linkedin
microsoft
poynt
uber
|
|
| Circular Array Loop |
Medium
|
google
microsoft
nutanix
|
|
| Island Perimeter |
Easy
|
amazon
apple
bloomberg
facebook
google
microsoft
|
|
| Minimum Number of Arrows to Burst Balloons |
Medium
|
amazon
facebook
google
microsoft
quora
|
|
| All O`one Data Structure |
Hard
|
amazon
bloomberg
facebook
google
linkedin
microsoft
uber
|
|
| Encode N-ary Tree to Binary Tree |
Hard
|
microsoft
|
|
| Find All Duplicates in an Array |
Medium
|
amazon
apple
bloomberg
facebook
google
lyft
microsoft
pocket-gems
|
|
| Flatten a Multilevel Doubly Linked List |
Medium
|
amazon
apple
bloomberg
facebook
google
microsoft
uber
|
|
| Add Strings |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
bytedance
facebook
google
microsoft
nvidia
oracle
snapchat
square
|
|
| Convert Number to Hexadecimal Number Problem |
Easy
|
facebook
microsoft
|
|
| Trapping Rain Water 2 |
Hard
|
amazon
apple
bytedance
facebook
google
microsoft
twitter
|
|
| Daily Temperatures |
Medium
|
adobe
amazon
apple
bloomberg
cisco
expedia
facebook
goldman-sachs
google
linkedin
microsoft
nvidia
uber
zillow
|
|
| Leaf-Similar Trees |
Easy
|
amazon
atlassian
facebook
google
microsoft
|
|
| Path Sum 3 - Count paths from parent to child |
Medium
|
amazon
bloomberg
facebook
microsoft
oracle
quora
uber
zillow
|
|
| Swap For Longest Repeated Character Substring |
Medium
|
microsoft
nutanix
|
|