From 0c77206ecae5acece7cc12572ed08682b3147c20 Mon Sep 17 00:00:00 2001
From: Zeeland <zeeland@foxmail.com>
Date: Thu, 5 Jan 2023 22:01:19 +0800
Subject: [PATCH] =?UTF-8?q?update:=20=200104.=E4=BA=8C=E5=8F=89=E6=A0=91?=
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---
 problems/0102.二叉树的层序遍历.md | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/problems/0102.二叉树的层序遍历.md b/problems/0102.二叉树的层序遍历.md
index 406242a7..3b68592f 100644
--- a/problems/0102.二叉树的层序遍历.md
+++ b/problems/0102.二叉树的层序遍历.md
@@ -2532,20 +2532,18 @@ class Solution:
             return 0
         
         queue_ = [root]
-        result = []
+        depth = 0
         while queue_:
             length = len(queue_)
-            sub = []
             for i in range(length):
                 cur = queue_.pop(0)
                 sub.append(cur.val)
                 #子节点入队列
                 if cur.left: queue_.append(cur.left)
                 if cur.right: queue_.append(cur.right)
-            result.append(sub)
+            depth += 1
             
-
-        return len(result)
+        return depth
 ```
 
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