14-binary_tree_balance.c

#include "binary_trees.h"
/**
 * binary_tree_balance - a function that measures the balance factor of
 * a binary tree
 *
 * @tree: a pointer to the root node of the tree to measure the balance factor
 * Return: 0 if null
 */
size_t binary_tree_height(const binary_tree_t *tree);

int binary_tree_balance(const binary_tree_t *tree)
{
	int left_height, right_height;

	if (!tree)
	{
		return (0);
	}

	left_height = binary_tree_height(tree->left);
	right_height = binary_tree_height(tree->right);

	return (left_height - right_height);
}

/**
 * binary_tree_height - a function used to calculates the height of the tree
 *
 * @tree: pointer to the root
 * Return: 0 if null
 */
size_t binary_tree_height(const binary_tree_t *tree)
{
	size_t left_height, right_height;

	if (!tree)
	{
		return (0);
	}

	left_height = binary_tree_height(tree->left);
	right_height = binary_tree_height(tree->right);

	return ((left_height > right_height) ? left_height + 1 : right_height + 1);
}