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/*******************************************************

* Copyright (C) 2018 KEEP.COM - All Rights Reserved

*

* @Date: 2018/11/13

* @Author: fangmingfu <fangmingfu@keep.com>

* ******************************************************/

public class code100 {

/**

* Definition for a binary tree node.

*/

public class TreeNode {

int val;

TreeNode left;

TreeNode right;

TreeNode(int x) { val = x; }

}

class Solution {

public boolean isSameTree(TreeNode p, TreeNode q) {

if(p == null && q == null){

return true;

}

if(p == null || q == null){

return false;

}

return p.val == q.val && isSameTree(p.left,q.left) && isSameTree(p.right,q.right);

}

}

}