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
知识点
递归
代码
# -*- coding:utf-8 -*- # class TreeNode: # def __init__(self, x): # self.val = x # self.left = None # self.right = None class Solution: def TreeDepth(self, pRoot): # write code here if pRoot is None: return 0 left=self.TreeDepth(pRoot.left)+1 right=self.TreeDepth(pRoot.right)+1 return max(left,right)