2021-12-03（JZ78 把二叉树打印成多行）

import java.util.*;

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

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

}

}
*/
public class Solution {
ArrayList > Print(TreeNode pRoot) {
Queue queue=new LinkedList<>();
ArrayList> result=new ArrayList>();
i

2021-12-03（JZ78 把二叉树打印成多行）最先出现在Python成神之路。