| UTF-8 Validation |
Medium
|
amazon
apple
facebook
google
palantir-technologies
|
|
| Construct String from Binary Tree Problem |
Medium
|
amazon
|
|
| Reordered Power of 2 Problem |
Medium
|
|
|
| Max Number of K-Sum Pairs |
Medium
|
|
|
| Binary Search Tree BST Inorder Iterator |
Medium
|
alibaba
amazon
apple
atlassian
bloomberg
bytedance
cisco
cloudera
ebay
facebook
google
linkedin
microsoft
oracle
qualtrics
redfin
splunk
uber
|
|
| Number of Subsequences That Satisfy the Given Sum Condition |
Medium
|
facebook
google
|
|
| Word Pattern 2 Problem |
Medium
|
dropbox
facebook
pony-ai
ponyai
uber
|
|
| Single Number 3 - All elements except two occur twice |
Medium
|
amazon
apple
facebook
yahoo
|
|
| Remove duplicates from Sorted List 2 |
Medium
|
adobe
amazon
apple
bloomberg
google
microsoft
paypal
salesforce
|
|
| Min Stack |
Medium
|
adobe
amazon
apple
bloomberg
ebay
facebook
flipkart
goldman-sachs
google
groupon
intuit
linkedin
lyft
microsoft
morgan-stanley
netflix
oracle
pure-storage
servicenow
snapchat
uber
visa
wish
zenefits
|
|
| Lowest Common Ancestor of a Binary Tree 4 - for array of nodes |
Medium
|
|
|
| Lowest Common Ancestor of a Binary Tree 3 - Given Parent Pointer |
Medium
|
facebook
twitter
|
|
| Lowest Common Ancestor for a n-ary Tree |
Medium
|
amazon
|
|
| Lowest Common Ancestor of a Binary Tree 2 - Nodes may not exist in Tree |
Medium
|
|
|
| Swap Kth node from beginning with Kth node from end in a Linked List |
Medium
|
|
|
| Number of elements less than or equal to a given number in a given subarray |
Medium
|
|
|
| Merge a Linked list into another at Alternate Positions |
Medium
|
|
|
| Snakes and Ladders Problem |
Medium
|
amazon
apple
cisco
facebook
google
hulu
microsoft
uber
|
|
| Count and Say Sequence Problem |
Medium
|
adobe
amazon
apple
bloomberg
epic-systems
facebook
google
microsoft
oracle
|
|
| Compare Version Numbers Problem |
Medium
|
amazon
apple
arista-networks
google
microsoft
square
|
|
| ZigZag Conversion |
Medium
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
paypal
uber
wish
|
|
| Sentence Screen Fitting Problem |
Medium
|
google
robinhood
|
|
| Next Greater Element 3 - Find smallest number larger than given number using same digits |
Medium
|
amazon
bloomberg
facebook
houzz
microsoft
vmware
|
|
| Largest Number From Given Numbers |
Medium
|
amazon
apple
bytedance
facebook
google
microsoft
oracle
salesforce
uber
works-applications
|
|
| My Calendar 1 Problem |
Medium
|
amazon
apple
google
intuit
microsoft
qualtrics
uber
|
|
| Maximum Number of Groups Entering a Competition |
Medium
|
|
|
| Paint House 1 - N houses with 3 colors with no two adjacent houses with same color |
Medium
|
apple
linkedin
microsoft
tencent
twitter
|
|
| Short Encoding of Words Problem |
Medium
|
|
|
| Maximum Points You Can Obtain from Cards Problem |
Medium
|
flipkart
google
|
|
| Super Ugly Number Problem |
Medium
|
google
|
|
| Rearrange Array Elements by Sign Problem |
Medium
|
|
|
| Basic Calculator 2 Problem |
Medium
|
airbnb
amazon
apple
atlassian
doordash
ebay
facebook
google
houzz
indeed
intuit
ixl
microsoft
oracle
paypal
postmates
reddit
snapchat
tableau
tencent
uber
|
|
| Random Flip Matrix Problem |
Medium
|
google
|
|
| Random Pick Index Problem |
Medium
|
facebook
google
uber
|
|
| Blum Floyd Pratt Rivest Tarjan Algorithm |
Medium
|
|
|
| Reverse Linked List 2 - between m and n |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
docusign
facebook
google
microsoft
oracle
|
|
| Equal Average Partition |
Medium
|
amazon
|
|
| Longest String Chain Problem |
Medium
|
akuna-capital
amazon
citadel
google
sap
two-sigma
vmware
|
|
| Delete Operation for Two Strings Problem |
Medium
|
google
|
|
| Minimum Triangle path sum from top to bottom |
Medium
|
amazon
apple
bloomberg
goldman-sachs
google
houzz
microsoft
|
|
| Word Search 1 - Find if word exists |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
coupang
coursera
cruise-automation
docusign
facebook
google
intuit
jpmorgan
linkedin
lyft
microsoft
oracle
pinterest
quantcast
snapchat
uber
vmware
yahoo
zillow
|
|
| Longest Substring Without Repeating Characters |
Medium
|
adobe
alation
alibaba
amazon
apple
atlassian
baidu
bloomberg
bytedance
cisco
coupang
ebay
expedia
facebook
goldman-sachs
google
huawei
microsoft
oracle
paypal
salesforce
samsung
sap
snapchat
spotify
twitch
uber
vmware
yahoo
yandex
yelp
zillow
zoho
|
|
| Sum Root to Leaf Numbers |
Medium
|
amazon
bloomberg
ebay
facebook
google
microsoft
|
|
| All Possible Full Binary Trees Problem |
Medium
|
google
oracle
|
|
| Maximum Sum Circular Subarray |
Medium
|
amazon
facebook
two-sigma
uber
|
|
| Top K Frequent Words Problem |
Medium
|
adobe
amazon
apple
atlassian
bloomberg
expedia
facebook
google
linkedin
microsoft
oracle
pocket-gems
salesforce
tripadvisor
uber
vmware
yelp
|
|
| H-Index 2 Problem |
Medium
|
facebook
|
|
| Delete non-tail Node in linked list, Given only access to that Node |
Medium
|
adobe
amazon
apple
bloomberg
cisco
facebook
goldman-sachs
google
microsoft
qualcomm
yahoo
|
|
| H-Index Problem |
Medium
|
adobe
bloomberg
facebook
google
tripadvisor
yahoo
|
|
| Binary Tree Traversal - Vertical Order Traversal |
Medium
|
adobe
amazon
bloomberg
bytedance
databricks
expedia
facebook
google
mathworks
microsoft
oracle
reddit
salesforce
snapchat
wish
|
|