leetcode-problemset/leetcode-cn/originData/kth-missing-positive-number.json

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            "questionId": "1646",
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            "title": "Kth Missing Positive Number",
            "titleSlug": "kth-missing-positive-number",
            "content": "<p>Given an array <code>arr</code> of positive integers sorted in a <strong>strictly increasing order</strong>, and an integer <code>k</code>.</p>\n\n<p>Return <em>the</em> <code>k<sup>th</sup></code> <em><strong>positive</strong> integer that is <strong>missing</strong> from this array.</em></p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [2,3,4,7,11], k = 5\n<strong>Output:</strong> 9\n<strong>Explanation: </strong>The missing positive integers are [1,5,6,8,9,10,12,13,...]. The 5<sup>th</sup>&nbsp;missing positive integer is 9.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> arr = [1,2,3,4], k = 2\n<strong>Output:</strong> 6\n<strong>Explanation: </strong>The missing positive integers are [5,6,7,...]. The 2<sup>nd</sup> missing positive integer is 6.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= arr.length &lt;= 1000</code></li>\n\t<li><code>1 &lt;= arr[i] &lt;= 1000</code></li>\n\t<li><code>1 &lt;= k &lt;= 1000</code></li>\n\t<li><code>arr[i] &lt; arr[j]</code> for <code>1 &lt;= i &lt; j &lt;= arr.length</code></li>\n</ul>\n\n<p>&nbsp;</p>\n<p><strong>Follow up:</strong></p>\n\n<p>Could you solve this problem in less than O(n) complexity?</p>\n",
            "translatedTitle": "第 k 个缺失的正整数",
            "translatedContent": "<p>给你一个 <strong>严格升序排列</strong>&nbsp;的正整数数组 <code>arr</code>&nbsp;和一个整数&nbsp;<code>k</code>&nbsp;。</p>\n\n<p>请你找到这个数组里第&nbsp;<code>k</code>&nbsp;个缺失的正整数。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = [2,3,4,7,11], k = 5\n<strong>输出：</strong>9\n<strong>解释：</strong>缺失的正整数包括 [1,5,6,8,9,10,12,13,...] 。第 5 个缺失的正整数为 9 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = [1,2,3,4], k = 2\n<strong>输出：</strong>6\n<strong>解释：</strong>缺失的正整数包括 [5,6,7,...] 。第 2 个缺失的正整数为 6 。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= arr.length &lt;= 1000</code></li>\n\t<li><code>1 &lt;= arr[i] &lt;= 1000</code></li>\n\t<li><code>1 &lt;= k &lt;= 1000</code></li>\n\t<li>对于所有&nbsp;<code>1 &lt;= i &lt; j &lt;= arr.length</code>&nbsp;的 <code>i</code>&nbsp;和 <code>j</code> 满足&nbsp;<code>arr[i] &lt; arr[j]</code>&nbsp;</li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><strong>进阶：</strong></p>\n\n<p>你可以设计一个时间复杂度小于 O(n) 的算法解决此问题吗？</p>\n",
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