18.2 删除链表中重复的结点.md

# 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)

## 题目描述

<div align="center"> <img src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/17e301df-52e8-4886-b593-841a16d13e44.png" width="450"/> </div><br>

## 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)
            next = next.next;
        return deleteDuplication(next);
    } else {
        pHead.next = deleteDuplication(pHead.next);
        return pHead;
    }
}
```