leetcode 100. Same Tree
2016-07-01 12:44
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Given two binary trees, write a function to check if they are equal or not.
Two binary trees are considered equal if they are structurally identical and the nodes have the same value.
Two binary trees are considered equal if they are structurally identical and the nodes have the same value.
# Definition for a binary tree node. # class TreeNode(object): # def __init__(self, x): # self.val = x # self.left = None # self.right = None class Solution(object): def isSameTree(self, p, q): """ :type p: TreeNode :type q: TreeNode :rtype: bool """ if p is None and q is None: return True elif p is None or q is None: return False else: if p.val==q.val: if self.isSameTree(q.left,p.left): return self.isSameTree(p.right,q.right) return False
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