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leetcode-problemset/leetcode-cn/originData/palindrome-permutation-lcci.json
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{
"data": {
"question": {
"questionId": "100184",
"questionFrontendId": "面试题 01.04",
"categoryTitle": "LCCI",
"boundTopicId": 47062,
"title": "Palindrome Permutation LCCI",
"titleSlug": "palindrome-permutation-lcci",
"content": "<p>Given a string, write a function to check if it is a permutation of a palindrome. A palindrome is a word or phrase that is the same forwards and backwards. A permutation is a rearrangement of letters. The palindrome does not need to be limited to just dictionary words.</p>\r\n\r\n<p>&nbsp;</p>\r\n\r\n<p><strong>Example1: </strong></p>\r\n\r\n<pre>\r\n<strong>Input: &quot;</strong>tactcoa&quot;\r\n<strong>Output: </strong>truepermutations: &quot;tacocat&quot;、&quot;atcocta&quot;, etc.\r\n</pre>\r\n\r\n<p>&nbsp;</p>\r\n",
"translatedTitle": "回文排列",
"translatedContent": "<p>给定一个字符串,编写一个函数判定其是否为某个回文串的排列之一。</p>\n\n<p>回文串是指正反两个方向都一样的单词或短语。排列是指字母的重新排列。</p>\n\n<p>回文串不一定是字典当中的单词。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例1</strong></p>\n\n<pre><strong>输入:&quot;</strong>tactcoa&quot;\n<strong>输出:</strong>true排列有&quot;tacocat&quot;、&quot;atcocta&quot;,等等)\n</pre>\n\n<p>&nbsp;</p>\n",
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"name": "Bit Manipulation",
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"hints": [
"你不必且也不应该生成所有的排列。这将极为低效。",
"作为回文排列的字符串有什么特征?",
"你试过散列表吗你应该能把它降到O(N)的时间。",
"使用位向量可以减少空间使用吗?"
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