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@@ -12,7 +12,7 @@
"translatedContent": "<p>给定一个已排序的正整数数组 <code>nums</code>&nbsp;<em></em>和一个正整数&nbsp;<code>n</code><em> 。</em>从&nbsp;<code>[1, n]</code>&nbsp;区间内选取任意个数字补充到&nbsp;nums&nbsp;中,使得&nbsp;<code>[1, n]</code>&nbsp;区间内的任何数字都可以用&nbsp;nums&nbsp;中某几个数字的和来表示。</p>\n\n<p>请返回 <em>满足上述要求的最少需要补充的数字个数</em>&nbsp;。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例&nbsp;1:</strong></p>\n\n<pre>\n<strong>输入: </strong>nums = <code>[1,3]</code>, n = <code>6</code>\n<strong>输出: </strong>1 \n<strong>解释:</strong>\n根据 nums&nbsp;里现有的组合&nbsp;<code>[1], [3], [1,3]</code>,可以得出&nbsp;<code>1, 3, 4</code>。\n现在如果我们将&nbsp;<code>2</code>&nbsp;添加到&nbsp;nums 中,&nbsp;组合变为: <code>[1], [2], [3], [1,3], [2,3], [1,2,3]</code>。\n其和可以表示数字&nbsp;<code>1, 2, 3, 4, 5, 6</code>,能够覆盖&nbsp;<code>[1, 6]</code>&nbsp;区间里所有的数。\n所以我们最少需要添加一个数字。</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入: </strong>nums = <code>[1,5,10]</code>, n = <code>20</code>\n<strong>输出:</strong> 2\n<strong>解释: </strong>我们需要添加&nbsp;<code>[2,4]</code>。\n</pre>\n\n<p><strong>示例&nbsp;3:</strong></p>\n\n<pre>\n<strong>输入: </strong>nums = <code>[1,2,2]</code>, n = <code>5</code>\n<strong>输出:</strong> 0\n</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;= 1000</code></li>\n\t<li><code>1 &lt;= nums[i] &lt;= 10<sup>4</sup></code></li>\n\t<li><code>nums</code>&nbsp;按 <strong>升序排列</strong></li>\n\t<li><code>1 &lt;= n &lt;= 2<sup>31</sup>&nbsp;- 1</code></li>\n</ul>\n",
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"difficulty": "Hard",
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