题目链接:
https://leetcode.cn/problems/er-cha-shu-de-jing-xiang-lcof/description/?favorite=xb9nqhhg
题目:
代码:
class Solution {
public:
TreeNode* mirrorTree(TreeNode* root) {
TreeNode *ans;
if(root==NULL) return root;
TreeNode *tmp ;
tmp=root->left;
root->left=mirrorTree(root->right);
root->right=mirrorTree(tmp);
return root;
}
};