carloscn / carloscn/structstudy

leetcode876:链表的中间结点(middle-of-the-linked-list)

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Lang-rust Level-easy 一般问题 查找 链表
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Description

### 问题描述

给你单链表的头结点 head ,请你找出并返回链表的中间结点。

如果有两个中间结点,则返回第二个中间结点。

示例 1:

![image](https://user-images.githubusercontent.com/16836611/226219397-79445689-e5bc-401e-bf74-4b242f7d1939.png)

输入:head = [1,2,3,4,5]
输出:[3,4,5]
解释:链表只有一个中间结点,值为 3 。

示例 2:

![image](https://user-images.githubusercontent.com/16836611/226219424-97313da0-7d11-44ae-a94d-02aa6056a2a2.png)

输入:head = [1,2,3,4,5,6]
输出:[4,5,6]
解释:该链表有两个中间结点,值分别为 3 和 4 ,返回第二个结点。

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