《剑指offer》-二叉树的镜像

题目描述

操作给定的二叉树，将其变换为源二叉树的镜像。 
输入描述:

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
/*
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 || (pRoot->left == NULL && pRoot->right == NULL)) return;
TreeNode *temp;
temp = pRoot->left;
pRoot->left = pRoot->right;
pRoot->right = temp;
Mirror(pRoot->left);
Mirror(pRoot->right);
}
};