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leetcode-problemset/leetcode-cn/originData/is-unique-lcci.json
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{
"data": {
"question": {
"questionId": "100158",
"questionFrontendId": "面试题 01.01",
"categoryTitle": "LCCI",
"boundTopicId": 45524,
"title": "Is Unique LCCI",
"titleSlug": "is-unique-lcci",
"content": "<p>Implement an algorithm to determine if a string has all unique characters. What if you cannot use additional data structures?</p>\r\n\r\n<p><strong>Example 1:</strong></p>\r\n\r\n<pre>\r\n<strong>Input: </strong><code>s</code> = &quot;leetcode&quot;\r\n<strong>Output: </strong>false\r\n</pre>\r\n\r\n<p><strong>Example 2:</strong></p>\r\n\r\n<pre>\r\n<strong>Input: </strong><code>s</code> = &quot;abc&quot;\r\n<strong>Output: </strong>true\r\n</pre>\r\n\r\n<p>&nbsp;</p>\r\n\r\n<p><strong>Note:</strong></p>\r\n\r\n<ul>\r\n\t<li><code>0 &lt;= len(s) &lt;= 100 </code></li>\r\n</ul>\r\n",
"translatedTitle": "判定字符是否唯一",
"translatedContent": "<p>实现一个算法,确定一个字符串 <code>s</code> 的所有字符是否全都不同。</p>\n\n<p><strong>示例 1</strong></p>\n\n<pre><strong>输入:</strong> <code>s</code> = &quot;leetcode&quot;\n<strong>输出:</strong> false \n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre><strong>输入:</strong> <code>s</code> = &quot;abc&quot;\n<strong>输出:</strong> true\n</pre>\n\n<p><strong>限制:</strong></p>\n<ul>\n\t<li><code>0 <= len(s) <= 100 </code></li>\n\t<li>如果你不使用额外的数据结构,会很加分。</li>\n</ul>\n ",
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"hints": [
"试试散列表",
"位向量有用吗?",
"你能用O(NlogN)的时间复杂度解决它吗?这样的解法会是什么样呢?"
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