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
/**
public class TreeNode {
int val = 0;
TreeNode left = null;
TreeNode right = null;
public TreeNode(int val) {
this.val = val;
}
}
*/
public class Solution {
public void Mirror(TreeNode root) {
if (root == null){
return;
}
if (root != null){
TreeNode temp = root.right;
root.right = root.left;
root.left = temp;
}
if (root.left!=null){
Mirror(root.left);
}
if(root.right!=null){
Mirror(root.right);
}
}
}
原文:https://www.cnblogs.com/xxc-Blog/p/12530369.html