100. Same Tree

作者: oo上海 | 来源:发表于2016-08-02 09:09 被阅读6次

100. Same Tree

题目:

https://leetcode.com/problems/same-tree/

难度:

Easy

递归

class Solution(object):
    def isSameTree(self, p, q):
        """
        :type p: TreeNode
        :type q: TreeNode
        :rtype: bool
        """
        if p == None or q == None:
            if p == None and q == None:
                return True
            else:
                return False
        else:
            return p.val == q.val and self.isSameTree(p.left, q.left) and self.isSameTree(p.right, q.right)

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