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            "questionId": "2107",
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            "categoryTitle": "Algorithms",
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            "title": "Find Unique Binary String",
            "titleSlug": "find-unique-binary-string",
            "content": "<p>Given an array of strings <code>nums</code> containing <code>n</code> <strong>unique</strong> binary strings each of length <code>n</code>, return <em>a binary string of length </em><code>n</code><em> that <strong>does not appear</strong> in </em><code>nums</code><em>. If there are multiple answers, you may return <strong>any</strong> of them</em>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [&quot;01&quot;,&quot;10&quot;]\n<strong>Output:</strong> &quot;11&quot;\n<strong>Explanation:</strong> &quot;11&quot; does not appear in nums. &quot;00&quot; would also be correct.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [&quot;00&quot;,&quot;01&quot;]\n<strong>Output:</strong> &quot;11&quot;\n<strong>Explanation:</strong> &quot;11&quot; does not appear in nums. &quot;10&quot; would also be correct.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [&quot;111&quot;,&quot;011&quot;,&quot;001&quot;]\n<strong>Output:</strong> &quot;101&quot;\n<strong>Explanation:</strong> &quot;101&quot; does not appear in nums. &quot;000&quot;, &quot;010&quot;, &quot;100&quot;, and &quot;110&quot; would also be correct.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == nums.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 16</code></li>\n\t<li><code>nums[i].length == n</code></li>\n\t<li><code>nums[i] </code>is either <code>&#39;0&#39;</code> or <code>&#39;1&#39;</code>.</li>\n\t<li>All the strings of <code>nums</code> are <strong>unique</strong>.</li>\n</ul>\n",
            "translatedTitle": "找出不同的二进制字符串",
            "translatedContent": "<p>给你一个字符串数组 <code>nums</code> ,该数组由 <code>n</code> 个 <strong>互不相同</strong> 的二进制字符串组成,且每个字符串长度都是 <code>n</code> 。请你找出并返回一个长度为&nbsp;<code>n</code>&nbsp;且&nbsp;<strong>没有出现</strong> 在 <code>nums</code> 中的二进制字符串<em>。</em>如果存在多种答案,只需返回 <strong>任意一个</strong> 即可。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [\"01\",\"10\"]\n<strong>输出:</strong>\"11\"\n<strong>解释:</strong>\"11\" 没有出现在 nums 中。\"00\" 也是正确答案。\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [\"00\",\"01\"]\n<strong>输出:</strong>\"11\"\n<strong>解释:</strong>\"11\" 没有出现在 nums 中。\"10\" 也是正确答案。\n</pre>\n\n<p><strong>示例 3:</strong></p>\n\n<pre>\n<strong>输入:</strong>nums = [\"111\",\"011\",\"001\"]\n<strong>输出:</strong>\"101\"\n<strong>解释:</strong>\"101\" 没有出现在 nums 中。\"000\"、\"010\"、\"100\"、\"110\" 也是正确答案。</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>n == nums.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 16</code></li>\n\t<li><code>nums[i].length == n</code></li>\n\t<li><code>nums[i] </code>为 <code>'0'</code> 或 <code>'1'</code></li>\n\t<li><code>nums</code> 中的所有字符串 <strong>互不相同</strong></li>\n</ul>\n",
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            "hints": [
                "We can convert the given strings into base 10 integers.",
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