'''
Description: 
Version: 1.0
Author: Vicro
Date: 2020-11-26 21:55:06
LastEditTime: 2020-11-26 22:01:29
FilePath: \Leetcode\100.相同的树.py
'''
#
# @lc app=leetcode.cn id=100 lang=python3
#
# [100] 相同的树
#

# @lc code=start
# Definition for a binary tree node.
# class TreeNode:
#     def __init__(self, val=0, left=None, right=None):
#         self.val = val
#         self.left = left
#         self.right = right
class Solution:
    def isSameTree(self, p, q):
        if not p and not q:
            return True
        elif not p or not q:
            return False
        elif p.val != q.val:
            return False
        else:
            return self.isSameTree(p.left, q.left) and self.isSameTree(p.right, q.right)

        
# @lc code=end