Your Dashboard
Interview Coaching
Learn
System Design
ML System Design
Code
Behavioral
Salary Negotiation
Interview Guides
Search
⌘K
Get Premium
Leetcode 1372. Longest ZigZag Path in a Binary Tree
Given a binary tree, return the length (number of edges) of the longest path that alternates left and right at each step (a ZigZag), starting from any node. The challenge is to consider both starting directions at each node and compute this efficiently for trees up to ~5×10^4 nodes.
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.