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leetcode-problemset/leetcode-cn/originData/di-yi-ge-zhi-chu-xian-yi-ci-de-zi-fu-lcof.json
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{
"data": {
"question": {
"questionId": "100316",
"questionFrontendId": "剑指 Offer 50",
"categoryTitle": "LCOF",
"boundTopicId": 87242,
"title": "第一个只出现一次的字符 LCOF",
"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": "第一个只出现一次的字符",
"translatedContent": "<p>在字符串 s 中找出第一个只出现一次的字符。如果没有,返回一个单空格。 s 只包含小写字母。</p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n输入s = \"abaccdeff\"\n输出'b'\n</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n输入s = \"\" \n输出' '\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>限制:</strong></p>\n\n<p><code>0 &lt;= s 的长度 &lt;= 50000</code></p>\n",
"isPaidOnly": false,
"difficulty": "Easy",
"likes": 215,
"dislikes": 0,
"isLiked": null,
"similarQuestions": "[]",
"contributors": [],
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"name": "Queue",
"slug": "queue",
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"translatedName": "哈希表",
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{
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"translatedName": "字符串",
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"code": "class Solution {\npublic:\n char firstUniqChar(string s) {\n\n }\n};",
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"lang": "Python",
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"code": "class Solution(object):\n def firstUniqChar(self, s):\n \"\"\"\n :type s: str\n :rtype: str\n \"\"\"",
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