| Custom Interval |
Medium
|
|
|
| Deep Merge of Two Objects |
Medium
|
|
|
| Deep Object Filter |
Medium
|
|
|
| Differences Between Two Objects |
Medium
|
|
|
| JSON Deep Equal |
Medium
|
|
|
| Maximum Number of Integers to Choose From a Range II |
Medium
|
|
|
| Account Balance |
Medium
|
|
|
| Choose Edges to Maximize Score in a Tree |
Medium
|
|
|
| Count Positions on Street With Required Brightness |
Medium
|
|
|
| Count Strictly Increasing Subarrays |
Medium
|
|
|
| Design SQL |
Medium
|
|
|
| Drop Type 1 Orders for Customers With Type 0 Orders |
Medium
|
|
|
| Valid Palindrome 4 - is string palindrome after at most 2 char replacement |
Medium
|
|
|
| Active Users |
Medium
|
|
|
| All the Pairs With the Maximum Number of Common Followers |
Medium
|
|
|
| Bank Account Summary |
Medium
|
|
|
| Binary Searchable Numbers in an Unsorted Array |
Medium
|
|
|
| Change the Root of a Binary Tree |
Medium
|
|
|
| Clone N-ary Tree |
Medium
|
amazon
|
|
| Count Apples and Oranges |
Medium
|
|
|
| Count Pairs of Equal Substrings With Minimum Difference |
Medium
|
|
|
| Countries You Can Safely Invest In |
Medium
|
|
|
| Cutting Ribbons |
Medium
|
|
|
| Design an Expression Tree With Evaluate Function |
Medium
|
|
|
| Design Most Recently Used Queue |
Medium
|
|
|
| Dot Product of Two Sparse Vectors |
Medium
|
|
|
| Capital Gain-Loss |
Medium
|
robinhood
|
|
| Activity Participants |
Medium
|
ibm
|
|
| Design A Leaderboard |
Medium
|
amazon
bloomberg
google
wayfair
|
|
| Analyze User Website Visit Pattern |
Medium
|
amazon
|
|
| Article Views II |
Medium
|
linkedin
|
|
| 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
|
|
| All Paths from Source Lead to Destination |
Medium
|
amazon
google
|
|
| Campus Bikes |
Medium
|
amazon
bytedance
facebook
google
|
|
| Shortest Distance After Road Addition Queries I |
Medium
|
|
|
| Candy Crush |
Medium
|
bloomberg
facebook
google
rubrik
twitch
|
|
| Path Sum IV |
Medium
|
alibaba
|
|
| Binary Tree Longest Consecutive Sequence II |
Medium
|
amazon
apple
facebook
google
|
|
| Construct Binary Tree from String |
Medium
|
amazon
facebook
|
|
| Binary Tree Path Sum 5 - Print all paths in a binary tree which sum up to a value |
Medium
|
|
|
| Diameter Of a N-Ary Tree |
Medium
|
facebook
google
|
|
| Distance between two nodes in binary tree |
Medium
|
amazon
|
|
| Improve search in BST with sentinel |
Medium
|
|
|
| Is Graph Bipartite |
Medium
|
amazon
dropbox
ebay
facebook
google
linkedin
liveramp
microsoft
uber
|
|
| Range Max Query |
Medium
|
|
|
| Shortest Unique Prefix |
Medium
|
google
square
|
|
| Subarray Product Less Than K |
Medium
|
akuna-capital
atlassian
coursera
expedia
google
yatra
|
|
| Target Sum |
Medium
|
facebook
google
microsoft
|
|