| Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed |
Medium
|
adobe
affirm
amazon
appdynamics
apple
bloomberg
databricks
facebook
flipkart
goldman-sachs
google
indeed
linkedin
microsoft
oracle
pinterest
pocket-gems
pure-storage
quora
salesforce
twilio
twitter
two-sigma
uber
visa
vmware
yandex
yelp
|
|
| Insert Delete Search and GetRandom in Constant Time 2 - Duplicates allowed |
Hard
|
affirm
amazon
apple
databricks
facebook
google
linkedin
microsoft
uber
yelp
|
|
| Closest Leaf in a Binary Tree |
Medium
|
amazon
databricks
facebook
google
|
|
| Remove Comments |
Medium
|
databricks
goldman-sachs
google
hbo
microsoft
oracle
qualtrics
uber
|
|
| Second Degree Follower |
Medium
|
databricks
facebook
|
|
| Web Crawler Multithreaded |
Medium
|
amazon
databricks
dropbox
facebook
oracle
|
|
| Time Based Key-Value Store |
Medium
|
amazon
apple
atlassian
databricks
facebook
flexport
google
linkedin
lyft
microsoft
netflix
oracle
square
stripe
sumologic
twitter
uber
vmware
zillow
|
|
| Convert Binary Search Tree to Sorted Doubly Linked List |
Medium
|
amazon
bloomberg
databricks
facebook
google
lyft
microsoft
oracle
uber
vmware
|
|
| Vertical Order Traversal of a Binary Tree |
Hard
|
adobe
amazon
bloomberg
databricks
facebook
google
linkedin
microsoft
reddit
samsung
|
|
| Intersection of Two Arrays 2 - Duplicates allowed |
Easy
|
amazon
apple
bloomberg
bytedance
databricks
facebook
google
linkedin
microsoft
oracle
salesforce
uber
yandex
|
|
| Sliding Window Maximum |
Hard
|
adobe
alibaba
amazon
apple
bloomberg
bytedance
citadel
coursera
databricks
facebook
google
lyft
microsoft
nutanix
oracle
pinterest
roblox
twitter
uber
vmware
wish
yelp
zenefits
|
|
| Skyline Problem |
Hard
|
adobe
amazon
apple
databricks
facebook
goldman-sachs
google
houzz
microsoft
salesforce
tableau
twitter
uber
yelp
vmware
|
|
| Decode Ways |
Medium
|
adobe
amazon
apple
baidu
barclays
bloomberg
cisco
databricks
expedia
facebook
goldman-sachs
google
huawei
lyft
microsoft
oracle
pinterest
snapchat
square
twitter
uber
|
|
| Trapping Rain Water |
Hard
|
adobe
affirm
airbnb
amazon
apple
audible
bloomberg
bytedance
citadel
databricks
dataminr
ebay
electronic-arts
facebook
flipkart
goldman-sachs
google
grab
huawei
lyft
microsoft
nvidia
oracle
palantir-technologies
qualtrics
salesforce
servicenow
snapchat
tableau
twitter
uber
visa
wish
yahoo
yandex
zenefits
|
|
| First Missing Positive |
Hard
|
adobe
amazon
apple
bloomberg
bytedance
databricks
ebay
facebook
google
grab
inmobi
microsoft
model-N
morgan-stanley
oracle
pocket-gems
salesforce
sap
stripe
tesla
twitch
uber
vmware
wayfair
wish
|
|
| Regular Expression Matching Problem |
Hard
|
adobe
airbnb
alibaba
amazon
apple
bloomberg
bytedance
coursera
databricks
ebay
facebook
flipkart
google
houzz
lyft
microsoft
oracle
palantir-technologies
pocket-gems
twitter
uber
zulily
|
|
| Binary Tree Traversal - Vertical Order Traversal |
Medium
|
adobe
amazon
bloomberg
bytedance
databricks
expedia
facebook
google
mathworks
microsoft
oracle
reddit
salesforce
snapchat
wish
|
|
| Flatten binary tree to linked list in order of preorder traversal |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
coupang
databricks
facebook
google
microsoft
nvidia
oracle
uber
yahoo
|
|