Number of Levels that a Binary Tree Has Program Plan: 1. Construct a tree with a root node, and 4 leaf nodes 2. Find the depth of the left subtree in a recursive manner if the tree is not null 3. Find the depth of the right subtree in a recursive manner if the tree is not null 4. Determine the maximum value of the depths of both subtrees 5. Add 1 to the resulting value for the current node 6. Return depth of the root node to get the number of levels in the given binary tree.

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Chapter 19, Problem 19.19E

Program Plan Intro

Number of Levels that a Binary Tree Has

Program Plan:

1. Construct a tree with a root node, and 4 leaf nodes
2. Find the depth of the left subtree in a recursive manner if the tree is not null
3. Find the depth of the right subtree in a recursive manner if the tree is not null
4. Determine the maximum value of the depths of both subtrees
5. Add 1 to the resulting value for the current node
6. Return depth of the root node to get the number of levels in the given binary tree.

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