From 0f4c80a935bdbc64bbcc594f5507ce5aa5da9e53 Mon Sep 17 00:00:00 2001
From: wz-mibookwindows <wzlylv@163.com>
Date: Sat, 7 Aug 2021 12:11:40 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=2019=E5=88=A0=E9=99=A4?=
 =?UTF-8?q?=E9=93=BE=E8=A1=A8=E7=9A=84=E5=80=92=E6=95=B0=E7=AC=ACN?=
 =?UTF-8?q?=E4=B8=AA=E8=8A=82=E7=82=B9=20Kotlin=E5=AE=9E=E7=8E=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ...0019.删除链表的倒数第N个节点.md | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

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 52735794..4b17c972 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
@@ -184,6 +184,25 @@ var removeNthFromEnd = function(head, n) {
     return ret.next;
 };
 ```
+Kotlin:
+```Kotlin
+fun removeNthFromEnd(head: ListNode?, n: Int): ListNode? {
+    val pre = ListNode(0).apply {
+        this.next = head
+    }
+    var fastNode: ListNode? = pre
+    var slowNode: ListNode? = pre
+    for (i in 0..n) {
+        fastNode = fastNode?.next
+    }
+    while (fastNode != null) {
+        slowNode = slowNode?.next
+        fastNode = fastNode.next
+    }
+    slowNode?.next = slowNode?.next?.next
+    return pre.next
+}
+```
 
 -----------------------
 * 作者微信：[程序员Carl](https://mp.weixin.qq.com/s/b66DFkOp8OOxdZC_xLZxfw)