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leetcode-problemset/leetcode-cn/originData/find-common-characters.json
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{
"data": {
"question": {
"questionId": "1044",
"questionFrontendId": "1002",
"categoryTitle": "Algorithms",
"boundTopicId": 3099,
"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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"difficulty": "Easy",
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"name": "Array",
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"translatedName": "数组",
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"code": "class Solution {\npublic:\n vector<string> commonChars(vector<string>& words) {\n\n }\n};",
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"code": "class Solution(object):\n def commonChars(self, words):\n \"\"\"\n :type words: List[str]\n :rtype: List[str]\n \"\"\"",
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"code": "\n\n/**\n * Note: The returned array must be malloced, assume caller calls free().\n */\nchar ** commonChars(char ** words, int wordsSize, int* returnSize){\n\n}",
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