leetcode-problemset/leetcode-cn/originData/di-yi-ge-zhi-chu-xian-yi-ci-de-zi-fu-lcof.json

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        "question": {
            "questionId": "100316",
            "questionFrontendId": "LCR 169",
            "categoryTitle": "Algorithms",
            "boundTopicId": 87242,
            "title": "招式拆解 II",
            "titleSlug": "di-yi-ge-zhi-chu-xian-yi-ci-de-zi-fu-lcof",
            "content": "English description is not available for the problem. Please switch to Chinese.",
            "translatedTitle": "招式拆解 II",
            "translatedContent": "<p>某套连招动作记作仅由小写字母组成的序列 <code>arr</code>，其中 <code>arr[i]</code> 第 <code>i</code> 个招式的名字。请返回第一个只出现一次的招式名称，如不存在请返回空格。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = \"abbccdeff\"\n<strong>输出：</strong>'a'\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>arr = \"ccdd\"\n<strong>输出：</strong>' '\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>限制：</strong></p>\n\n<p><code>0 &lt;= arr.length&nbsp;&lt;= 50000</code></p>\n",
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            "difficulty": "Easy",
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                    "langSlug": "cpp",
                    "code": "class Solution {\npublic:\n    char dismantlingAction(string arr) {\n\n    }\n};",
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                    "lang": "Python",
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                    "code": "class Solution(object):\n    def dismantlingAction(self, arr):\n        \"\"\"\n        :type arr: str\n        :rtype: str\n        \"\"\"",
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            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "\"abbccdeff\"\n\"ccdd\"",
            "__typename": "QuestionNode"
        }
    }
}