leetcode-problemset/leetcode-cn/originData/first-missing-positive.json

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            "title": "First Missing Positive",
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            "content": "<p>Given an unsorted integer array <code>nums</code>. Return the <em>smallest positive integer</em> that is <em>not present</em> in <code>nums</code>.</p>\n\n<p>You must implement an algorithm that runs in <code>O(n)</code> time and uses <code>O(1)</code> auxiliary space.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [1,2,0]\n<strong>Output:</strong> 3\n<strong>Explanation:</strong> The numbers in the range [1,2] are all in the array.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [3,4,-1,1]\n<strong>Output:</strong> 2\n<strong>Explanation:</strong> 1 is in the array but 2 is missing.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [7,8,9,11,12]\n<strong>Output:</strong> 1\n<strong>Explanation:</strong> The smallest positive integer 1 is missing.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= nums.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>-2<sup>31</sup> &lt;= nums[i] &lt;= 2<sup>31</sup> - 1</code></li>\n</ul>\n",
            "translatedTitle": "缺失的第一个正数",
            "translatedContent": "<p>给你一个未排序的整数数组 <code>nums</code> ，请你找出其中没有出现的最小的正整数。</p>\n请你实现时间复杂度为 <code>O(n)</code> 并且只使用常数级别额外空间的解决方案。\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>nums = [1,2,0]\n<strong>输出：</strong>3\n<strong>解释：</strong>范围 [1,2] 中的数字都在数组中。</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>nums = [3,4,-1,1]\n<strong>输出：</strong>2\n<strong>解释：</strong>1 在数组中，但 2 没有。</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>nums = [7,8,9,11,12]\n<strong>输出：</strong>1\n<strong>解释：</strong>最小的正数 1 没有出现。</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= nums.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>-2<sup>31</sup> &lt;= nums[i] &lt;= 2<sup>31</sup> - 1</code></li>\n</ul>\n",
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