From 87c505371df01e7d62e422b796de66d92754fced Mon Sep 17 00:00:00 2001
From: Flow-sandyu <72751523+Flow-sandyu@users.noreply.github.com>
Date: Tue, 27 Sep 2022 21:01:31 +0800
Subject: [PATCH] =?UTF-8?q?Update=200019.=E5=88=A0=E9=99=A4=E9=93=BE?=
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---
 problems/0019.删除链表的倒数第N个节点.md | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/problems/0019.删除链表的倒数第N个节点.md b/problems/0019.删除链表的倒数第N个节点.md
index c7f79b8d..a84c0b29 100644
--- a/problems/0019.删除链表的倒数第N个节点.md
+++ b/problems/0019.删除链表的倒数第N个节点.md
@@ -91,10 +91,6 @@ public ListNode removeNthFromEnd(ListNode head, int n){
     ListNode dummyNode = new ListNode(0);
     dummyNode.next = head;
 
-    //排除示例 2 的情况：head = [1], n = 1
-    if (head == null)
-        return null;
-
     ListNode fastIndex = dummyNode;
     ListNode slowIndex = dummyNode;