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Grokking the Coding Interview Patterns in C++

Diameter of Binary Tree

Understand how to determine the diameter of a binary tree, which is the longest path between any two nodes. This lesson helps you master DFS traversal and apply it to solve this common coding interview problem in C++, improving your problem-solving skills.

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Statement

Given a binary tree, you need to compute the length of the tree’s diameter. The diameter of a binary tree is the length of the longest path between any two nodes in a tree. This path may or may not pass through the root.

Note: The length of the path between two nodes is represented by the number of edges between them.

Constraints:

  • The number of nodes in the tree is in the range
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