CS-Notes/docs/notes/18.2 删除链表中重复的结点.md

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2019-11-02 12:07:41 +08:00
# 18.2 删除链表中重复的结点
[NowCoder](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
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<div align="center"> <img src="pics/17e301df-52e8-4886-b593-841a16d13e44.png" width="450"/> </div><br>
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## 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;
}
}
```
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