题目:Same Tree
/**
* LeetCode Same Tree
* 题目:判断两棵树是否是完全相同的
* 思路:完全相同:1、结构相同;
* 2、值相同。
* Definition for binary tree
* public class TreeNode {
* int val;
* TreeNode left;
* TreeNode right;
* TreeNode(int x) { val = x; }
* }
*/
package javaTrain;
public class Train7 {
public boolean isSameTree(TreeNode p, TreeNode q) {
if(p == null && q == null)
return true;
else if(p == null || q == null) return false;
if(p.val == q.val){
return isSameTree(p.left,q.left) && isSameTree(p.right,q.right);
}
else return false;
}
}
原文地址:http://blog.csdn.net/ymzmdx/article/details/44346431