Update 18.2 删除链表中重复的结点.md

题目链接改为力扣中的对应题目，题目描述和代码按该题的接口调整。

notes/18.2 删除链表中重复的结点.md

@@ -1,6 +1,6 @@
 # 18.2 删除链表中重复的结点
 
-[牛客网](https://www.nowcoder.com/practice/fc533c45b73a41b0b44ccba763f866ef?tpId=13&tqId=11209&tPage=1&rp=1&ru=/ta/coding-interviews&qru=/ta/coding-interviews/question-ranking&from=cyc_github)
+[Leetcode](https://leetcode.cn/problems/remove-duplicates-from-sorted-list-ii/)
 
 ## 题目描述
 
@@ -9,17 +9,17 @@
 ## 解题描述
 
 ```java
-public ListNode deleteDuplication(ListNode pHead) {
-    if (pHead == null || pHead.next == null)
-        return pHead;
-    ListNode next = pHead.next;
-    if (pHead.val == next.val) {
-        while (next != null && pHead.val == next.val)
+public ListNode deleteDuplicates(ListNode head) {
+    if (head == null || head.next == null)
+        return head;
+    ListNode next = head.next;
+    if (head.val == next.val) {
+        while (next != null && head.val == next.val)
             next = next.next;
-        return deleteDuplication(next);
+        return deleteDuplicates(next);
     } else {
-        pHead.next = deleteDuplication(pHead.next);
-        return pHead;
+        head.next = deleteDuplicates(head.next);
+        return head;
     }
 }
 ```