From 2b56a2277f8f32ae5e4082a27edf8c5ac6c324df Mon Sep 17 00:00:00 2001
From: CyC2018 <zhengyc101@163.com>
Date: Fri, 23 Oct 2026 04:39:44 +0800
Subject: [PATCH] =?UTF-8?q?Update=2018.1=20=E5=9C=A8=20O(1)=20=E6=97=B6?=
 =?UTF-8?q?=E9=97=B4=E5=86=85=E5=88=A0=E9=99=A4=E9=93=BE=E8=A1=A8=E8=8A=82?=
 =?UTF-8?q?=E7=82=B9.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
---
 notes/18.1 在 O(1) 时间内删除链表节点.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notes/18.1 在 O(1) 时间内删除链表节点.md b/notes/18.1 在 O(1) 时间内删除链表节点.md
index 365e18d4..44c63e70 100644
--- a/notes/18.1 在 O(1) 时间内删除链表节点.md	
+++ b/notes/18.1 在 O(1) 时间内删除链表节点.md	
@@ -15,7 +15,7 @@
 ```java
 public ListNode deleteNode(ListNode head, ListNode tobeDelete) {
     if (head == null || tobeDelete == null)
-        return null;
+        return head;
     if (tobeDelete.next != null) {
         // 要删除的节点不是尾节点
         ListNode next = tobeDelete.next;