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[Problem Link] https://leetcode.com/problems/diameter-of-binary-tree/ ยท class Solution { private int diameter = 0; //diameter is longest length...
![#543.Diameter of Binary Tree [LeetCode Grind 75 in Java]](https://cdn.hashnode.com/res/hashnode/image/upload/v1683525313231/RC4cg5koq.png?w=1600&h=840&fit=crop&crop=entropy&auto=format&auto=compress,format&format=webp)