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"translatedContent": "<p>给出集合 <code>[1,2,3,...,n]</code>,其所有元素共有 <code>n!</code> 种排列。</p>\n\n<p>按大小顺序列出所有排列情况,并一一标记,当 <code>n = 3</code> 时, 所有排列如下:</p>\n\n<ol>\n\t<li><code>\"123\"</code></li>\n\t<li><code>\"132\"</code></li>\n\t<li><code>\"213\"</code></li>\n\t<li><code>\"231\"</code></li>\n\t<li><code>\"312\"</code></li>\n\t<li><code>\"321\"</code></li>\n</ol>\n\n<p>给定 <code>n</code> 和 <code>k</code>,返回第 <code>k</code> 个排列。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong>n = 3, k = 3\n<strong>输出:</strong>\"213\"\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong>n = 4, k = 9\n<strong>输出:</strong>\"2314\"\n</pre>\n\n<p><strong>示例 3:</strong></p>\n\n<pre>\n<strong>输入:</strong>n = 3, k = 1\n<strong>输出:</strong>\"123\"\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= n <= 9</code></li>\n\t<li><code>1 <= k <= n!</code></li>\n</ul>\n",
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