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            "questionId": "1044",
            "questionFrontendId": "1002",
            "categoryTitle": "Algorithms",
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            "title": "Find Common Characters",
            "titleSlug": "find-common-characters",
            "content": "<p>Given a string array <code>words</code>, return <em>an array of all characters that show up in all strings within the </em><code>words</code><em> (including duplicates)</em>. You may return the answer in <strong>any order</strong>.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n<pre><strong>Input:</strong> words = [\"bella\",\"label\",\"roller\"]\n<strong>Output:</strong> [\"e\",\"l\",\"l\"]\n</pre><p><strong>Example 2:</strong></p>\n<pre><strong>Input:</strong> words = [\"cool\",\"lock\",\"cook\"]\n<strong>Output:</strong> [\"c\",\"o\"]\n</pre>\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= words.length &lt;= 100</code></li>\n\t<li><code>1 &lt;= words[i].length &lt;= 100</code></li>\n\t<li><code>words[i]</code> consists of lowercase English letters.</li>\n</ul>\n",
            "translatedTitle": "查找共用字符",
            "translatedContent": "给你一个字符串数组 <code>words</code> ，请你找出所有在 <code>words</code> 的每个字符串中都出现的共用字符（ <strong>包括重复字符</strong>），并以数组形式返回。你可以按 <strong>任意顺序</strong> 返回答案。\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>words = [\"bella\",\"label\",\"roller\"]\n<strong>输出：</strong>[\"e\",\"l\",\"l\"]\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>words = [\"cool\",\"lock\",\"cook\"]\n<strong>输出：</strong>[\"c\",\"o\"]\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= words.length &lt;= 100</code></li>\n\t<li><code>1 &lt;= words[i].length &lt;= 100</code></li>\n\t<li><code>words[i]</code> 由小写英文字母组成</li>\n</ul>\n",
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