【剑指offer】二叉树的镜像(树)

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题目描述

操作给定的二叉树,将其变换为源二叉树的镜像。
二叉树的镜像定义:
源二叉树
8
/
6 10
/ \ /
5 7 9 11
镜像二叉树
8
/
10 6
/ \ /
11 9 7 5

链接

https://www.nowcoder.com/practice/564f4c26aa584921bc75623e48ca3011?tpId=13&tqId=11171&rp=1&ru=/ta/coding-interviews&qru=/ta/coding-interviews/question-ranking

代码

/*
struct TreeNode {
	int val;
	struct TreeNode *left;
	struct TreeNode *right;
	TreeNode(int x) :
			val(x), left(NULL), right(NULL) {
	}
};*/
class Solution {
public:
    void Mirror(TreeNode *pRoot) {
        if(pRoot == NULL){
            return;
        }
        swap(pRoot->left, pRoot->right);
        Mirror(pRoot->left);
        Mirror(pRoot->right);
    }
};

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