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"translatedContent": "<p>给你链表的头节点 <code>head</code> 和一个整数 <code>k</code> 。</p>\n\n<p><strong>交换</strong> 链表正数第 <code>k</code> 个节点和倒数第 <code>k</code> 个节点的值后,返回链表的头节点(链表 <strong>从 1 开始索引</strong>)。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2021/01/10/linked1.jpg\" style=\"width: 722px; height: 202px;\" />\n<pre>\n<strong>输入:</strong>head = [1,2,3,4,5], k = 2\n<strong>输出:</strong>[1,4,3,2,5]\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong>head = [7,9,6,6,7,8,3,0,9,5], k = 5\n<strong>输出:</strong>[7,9,6,6,8,7,3,0,9,5]\n</pre>\n\n<p><strong>示例 3:</strong></p>\n\n<pre>\n<strong>输入:</strong>head = [1], k = 1\n<strong>输出:</strong>[1]\n</pre>\n\n<p><strong>示例 4:</strong></p>\n\n<pre>\n<strong>输入:</strong>head = [1,2], k = 1\n<strong>输出:</strong>[2,1]\n</pre>\n\n<p><strong>示例 5:</strong></p>\n\n<pre>\n<strong>输入:</strong>head = [1,2,3], k = 2\n<strong>输出:</strong>[1,2,3]\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li>链表中节点的数目是 <code>n</code></li>\n\t<li><code>1 <= k <= n <= 10<sup>5</sup></code></li>\n\t<li><code>0 <= Node.val <= 100</code></li>\n</ul>\n",
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"difficulty": "Medium",
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@@ -143,7 +143,7 @@
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"__typename": "CodeSnippetNode"
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"hints": [
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"We can transform the linked list to an array this should ease things up",
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"After transforming the linked list to an array it becomes as easy as swapping two integers in an array then rebuilding the linked list"
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