Find the Maximum Depth OR Height of a Binary Tree

Objective: Given a binary tree, find the height of it

Input: A Binary Tree

Output: Height of a binary tree

Example:

Tree Height - Example

Approach:

       Recursion:

  • Get the height of left sub tree, say leftHeight
  • Get the height of right sub tree, say rightHeight
  • Take the Max(leftHeight, rightHeight) and add 1 for the root and return
  • Call recursively.

Time Complexity : O(n)

get Height of a tree - Recursion

Complete Code:

Output:

Height of the Tree is 7

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If you find anything incorrect or you feel that there is any better approach to solve the above problem, please write comment.
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