master-algorithms-py/trees/bt_find_max_depth.py

11 lines
245 B
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# author: bt3gl
def max_depth(root: Optional[Node]) -> int:
if root is None:
return 0
return max(max_depth(root.left) + 1, max_depth(root.right) + 1)