diff --git a/notes/32.2 把二叉树打印成多行.md b/notes/32.2 把二叉树打印成多行.md index 2366963c..ca851a1e 100644 --- a/notes/32.2 把二叉树打印成多行.md +++ b/notes/32.2 把二叉树打印成多行.md @@ -1,6 +1,6 @@ # 32.2 把二叉树打印成多行 -[NowCoder](https://www.nowcoder.com/practice/445c44d982d04483b04a54f298796288?tpId=13&tqId=11213&tPage=1&rp=1&ru=/ta/coding-interviews&qru=/ta/coding-interviews/question-ranking&from=cyc_github) +[Leetcode](https://leetcode.cn/problems/cong-shang-dao-xia-da-yin-er-cha-shu-ii-lcof/) ## 题目描述 @@ -9,12 +9,12 @@ ## 解题思路 ```java -ArrayList> Print(TreeNode pRoot) { - ArrayList> ret = new ArrayList<>(); +public List> decorateRecord(TreeNode root) { + List> ret = new ArrayList<>(); Queue queue = new LinkedList<>(); - queue.add(pRoot); + queue.add(root); while (!queue.isEmpty()) { - ArrayList list = new ArrayList<>(); + List list = new ArrayList<>(); int cnt = queue.size(); while (cnt-- > 0) { TreeNode node = queue.poll();