题目描述
输入一棵二叉树,求该树的深度。从根结点到叶结点依次经过的结点(含根、叶结点)形成树的一条路径,最长路径的长度为树的深度。
python solution:
# -*- coding:utf-8 -*-
class TreeNode:
def __init__(self, x):
self.val = x
self.left = None
self.right = None
class Solution:
def TreeDepth(self, pRoot):
return 0 if pRoot is None else 1+max(self.TreeDepth(pRoot.left),self.TreeDepth(pRoot.right))