Your Dashboard
Interview Coaching
Learn
System Design
ML System Design
Code
Behavioral
Salary Negotiation
Interview Guides
Search
⌘K
Get Premium
Leetcode 1120. Maximum Average Subtree
Given a binary tree of numeric node values, find the subtree (a node plus all its descendants) with the maximum average value; solve by a post-order DFS that computes subtree sums and sizes and tracks the highest sum/size ratio in O(n) time.
Question Timeline
See when this question was last asked and where, including any notes left by other candidates.
All Regions
Comments
Hello Interview Premium
Your account is free and you can post anonymously if you choose.