leetcode-problemset/leetcode-cn/originData/Ygoe9J.json

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            "questionId": "1000229",
            "questionFrontendId": "剑指 Offer II 081",
            "categoryTitle": "LCOF2",
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            "title": "允许重复选择元素的组合",
            "titleSlug": "Ygoe9J",
            "content": "<p>English description is not available for the problem. Please switch to Chinese.</p>\n",
            "translatedTitle": "允许重复选择元素的组合",
            "translatedContent": "<p>给定一个<strong>无重复元素</strong>的正整数数组&nbsp;<code>candidates</code>&nbsp;和一个正整数&nbsp;<code>target</code>&nbsp;，找出&nbsp;<code>candidates</code>&nbsp;中所有可以使数字和为目标数&nbsp;<code>target</code>&nbsp;的唯一组合。</p>\n\n<p><code>candidates</code>&nbsp;中的数字可以无限制重复被选取。如果至少一个所选数字数量不同，则两种组合是不同的。&nbsp;</p>\n\n<p>对于给定的输入，保证和为&nbsp;<code>target</code> 的唯一组合数少于 <code>150</code> 个。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例&nbsp;1：</strong></p>\n\n<pre>\n<strong>输入: </strong>candidates = <code>[2,3,6,7], </code>target = <code>7</code>\n<strong>输出: </strong>[[7],[2,2,3]]\n</pre>\n\n<p><strong>示例&nbsp;2：</strong></p>\n\n<pre>\n<strong>输入: </strong>candidates = [2,3,5]<code>, </code>target = 8\n<strong>输出: </strong>[[2,2,2,2],[2,3,3],[3,5]]</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入: </strong>candidates = <code>[2], </code>target = <span style=\"white-space: pre-wrap;\">1</span>\n<strong>输出: </strong>[]\n</pre>\n\n<p><strong>示例 4：</strong></p>\n\n<pre>\n<strong>输入: </strong>candidates = <code>[1], </code>target = <code>1</code>\n<strong>输出: </strong>[[1]]\n</pre>\n\n<p><strong>示例 5：</strong></p>\n\n<pre>\n<strong>输入: </strong>candidates = <code>[1], </code>target = <code>2</code>\n<strong>输出: </strong>[[1,1]]\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= candidates.length &lt;= 30</code></li>\n\t<li><code>1 &lt;= candidates[i] &lt;= 200</code></li>\n\t<li><code>candidate</code> 中的每个元素都是独一无二的。</li>\n\t<li><code>1 &lt;= target &lt;= 500</code></li>\n</ul>\n\n<p>&nbsp;</p>\n\n<p><meta charset=\"UTF-8\" />注意：本题与主站 39&nbsp;题相同：&nbsp;<a href=\"https://leetcode-cn.com/problems/combination-sum/\">https://leetcode-cn.com/problems/combination-sum/</a></p>\n",
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