Students With Invalid Departments |
Easy
|
amazon
|
|
Tree Diameter |
Medium
|
amazon
facebook
google
|
|
Two Sum BSTs |
Medium
|
amazon
|
|
Analyze User Website Visit Pattern |
Medium
|
amazon
|
|
Armstrong Number |
Easy
|
amazon
|
|
Connecting Cities With Minimum Cost |
Medium
|
amazon
uber
|
|
Design Bounded Blocking Queue |
Medium
|
amazon
bloomberg
cloudera
google
linkedin
microsoft
oracle
uber
|
|
Design File System |
Medium
|
airbnb
amazon
|
|
Diet Plan Performance |
Easy
|
amazon
|
|
Find Smallest Common Element in All Rows |
Medium
|
amazon
microsoft
|
|
String Transforms Into Another String |
Hard
|
amazon
google
|
|
All Paths from Source Lead to Destination |
Medium
|
amazon
google
|
|
Campus Bikes |
Medium
|
amazon
bytedance
facebook
google
|
|
Digit Count in Range |
Hard
|
amazon
|
|
Find K-Length Substrings With No Repeated Characters |
Medium
|
amazon
|
|
K Empty Slots |
Hard
|
amazon
google
microsoft
|
|
Students Report By Geography |
Hard
|
amazon
|
|
Design Compressed String Iterator |
Easy
|
amazon
google
|
|
Find Cumulative Salary of an Employee |
Hard
|
amazon
|
|
Binary Tree Longest Consecutive Sequence II |
Medium
|
amazon
apple
facebook
google
|
|
Construct Binary Tree from String |
Medium
|
amazon
facebook
|
|
Distance between two nodes in binary tree |
Medium
|
amazon
|
|
Is Graph Bipartite |
Medium
|
amazon
dropbox
ebay
facebook
google
linkedin
liveramp
microsoft
uber
|
|
Range Module |
Hard
|
amazon
coupang
google
linkedin
machine-zone
oracle
|
|
Rectangle Overlap |
Easy
|
adobe
amazon
apple
bloomberg
goldman-sachs
google
mathworks
microsoft
oracle
|
|
Reverse Pairs |
Hard
|
amazon
bytedance
google
microsoft
uber
|
|
Robot Room Cleaner |
Hard
|
amazon
facebook
google
microsoft
|
|
Binary Tree Path - All root to leaf paths |
Easy
|
adobe
amazon
apple
facebook
google
microsoft
|
|
Closest Binary Search Tree Value |
Easy
|
amazon
bloomberg
facebook
google
linkedin
microsoft
snapchat
|
|
Closest Binary Search Tree Value II |
Hard
|
amazon
facebook
forusall
google
linkedin
|
|
Sliding Puzzle Problem |
Hard
|
airbnb
amazon
facebook
google
microsoft
uber
|
|
Shortest Subarray with Sum at Least K Problem |
Hard
|
amazon
facebook
goldman-sachs
google
|
|
Remove Sub-Folders from the Filesystem Problem |
Medium
|
amazon
facebook
google
|
|
Diagonal Traverse Problem |
Medium
|
amazon
apple
ebay
facebook
google
microsoft
quora
splunk
|
|
Maximum Swap Problem |
Medium
|
amazon
apple
bytedance
facebook
microsoft
uber
|
|
Smallest Range Covering Elements from K Lists Problem |
Hard
|
amazon
apple
facebook
google
lyft
microsoft
pinterest
snapchat
|
|
Minimum Add to Make Parentheses Valid Problem |
Medium
|
amazon
facebook
servicenow
|
|
Sentence Similarity 2 - with transitive word pairs |
Medium
|
amazon
bloomberg
google
|
|
Uncommon Words from Two Sentences Problem |
Easy
|
amazon
expedia
facebook
microsoft
|
|
Random Pick with Blacklist Problem |
Hard
|
amazon
google
two-sigma
uber
|
|
Lemonade Change Problem |
Easy
|
amazon
atlassian
|
|
Find K-th Smallest Pair Distance Problem |
Hard
|
amazon
google
|
|
Count Number of Teams Problem |
Medium
|
amazon
goldman-sachs
|
|
Delete Nodes And Return Forest Problem |
Medium
|
amazon
google
|
|
Number of Atoms Problem |
Hard
|
adobe
amazon
bytedance
facebook
google
pinterest
|
|
Accounts Merge |
Medium
|
amazon
apple
bloomberg
facebook
google
houzz
linkedin
microsoft
oracle
|
|
Split Linked List in Parts Problem |
Medium
|
adobe
amazon
|
|
Balance a Binary Search Tree Problem |
Medium
|
amazon
|
|
Count Number of Nice Subarrays |
Medium
|
amazon
roblox
|
|
Most Profit Assigning Work Problem |
Medium
|
amazon
netease
nutanix
uber
|
|