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Solution: Diameter of Binary Tree

Understand how to compute the diameter of a binary tree by exploring both naive and optimized methods. Learn to use depth-first search to calculate the longest path between any two nodes, including paths that pass or do not pass through the root. Gain insight into time and space complexities associated with this problem-solving approach.

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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 [1,500][1, 500].
  • −100≤-100 \leq Node.value ≤100\leq 100
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