100. 相同的树 

 1 /**
 2  * Definition for a binary tree node.
 3  * struct TreeNode {
 4  *     int val;
 5  *     TreeNode *left;
 6  *     TreeNode *right;
 7  *     TreeNode(int x) : val(x), left(NULL), right(NULL) {}
 8  * };
 9  */
10 class Solution 
11 {
12 public:
13     bool isSameTree(TreeNode* p, TreeNode* q) 
14     {
15         if(!p && !q) return true;
16         if(!p || !q) return false;
17         if(p->val != q->val) return false;
18         return isSameTree(p->left,q->left) && isSameTree(p->right,q->right);
19     }
20 };

 

posted @ 2020-04-01 12:56  Jinxiaobo0509  阅读(91)  评论(0)    收藏  举报