0001年1月1日

Ŀ

Ķ任ΪԴľ

##

ľ壺

Դ 

        8
       /  \
      6   10
     / \  / \
    5  7 9  11


        8
       /  \
      10   6
     / \  / \
    11 9 7  5

##

Դľ

##Ŀ

ڵ

public class TreeNode {
    int val = 0;
    TreeNode left = null;
    TreeNode right = null;

    public TreeNode(int val) {
        this.val = val;
    }
}

ⷨʱ䣺38ms ռڴ棺688k

public class Solution {
    public void Mirror(TreeNode root) {        
        if(root==null) return;

        //ӽڵ
        TreeNode tempNode;
        tempNode = root.left;
        root.left = root.right;
        root.right = tempNode;
        
        Mirror(root.left);
        Mirror(root.right);
    }
}

˼·Ӹڵ㿪ʼεݹڵ㲻Ϊգͽӽڵ㣨ĸֵӦָҲı䣩