carloscn / carloscn/structstudy

leetcode83:删除排序链表中的重复元素(remove-duplicates-from-sorted-list)

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Level-easy 一般问题 链表
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Description

### 问题描述:

给定一个已排序的链表的头 head , 删除所有重复的元素,使每个元素只出现一次 。返回 已排序的链表 。

示例 1:

![image](https://user-images.githubusercontent.com/16836611/198857417-ca9ec612-d28a-49d9-ac88-d2b103e872e0.png)

输入:head = [1,1,2]
输出:[1,2]

示例 2:

![image](https://user-images.githubusercontent.com/16836611/198857426-f7fdddc8-72a7-4414-b9ca-7ceb08414e3a.png)

输入:head = [1,1,2,3,3]
输出:[1,2,3]

来源:https://leetcode.cn/problems/remove-duplicates-from-sorted-list/

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