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Title: leetcode24-两两交换链表中的节点 | snmlm

Open Graph Title: leetcode24-两两交换链表中的节点

Description: 题目描述给你一个链表,两两交换其中相邻的节点,并返回交换后链表的头节点。你必须在不修改节点内部的值的情况下完成本题(即,只能进行节点交换)。 示例 1: 12输入:head = [1,2,3,4]输出:[2,1,4,3] 示例 2: 12输入:head = []输出:[] 示例 3: 12输入:head = [1]输出:[1] 提示: 链表中节点的数目在范围 [0, 100] 内 0

Open Graph Description: 题目描述给你一个链表,两两交换其中相邻的节点,并返回交换后链表的头节点。你必须在不修改节点内部的值的情况下完成本题(即,只能进行节点交换)。 示例 1: 12输入:head = [1,2,3,4]输出:[2,1,4,3] 示例 2: 12输入:head = []输出:[] 示例 3: 12输入:head = [1]输出:[1] 提示: 链表中节点的数目在范围 [0, 100] 内 0

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1. 题目描述https://snmlm.github.io/algorithm/leetcode/leetcode_24/#%E9%A2%98%E7%9B%AE%E6%8F%8F%E8%BF%B0
2. 题目思路https://snmlm.github.io/algorithm/leetcode/leetcode_24/#%E9%A2%98%E7%9B%AE%E6%80%9D%E8%B7%AF
3. Javahttps://snmlm.github.io/algorithm/leetcode/leetcode_24/#Java
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https://snmlm.github.io/algorithm/leetcode/leetcode_24/#题目描述
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上一篇leetcode23-合并K个升序链表https://snmlm.github.io/algorithm/leetcode/leetcode_23/
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