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XltzEq.json
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{
"data": {
"question": {
"questionId": "1000254",
"questionFrontendId": "剑指 Offer II 018",
"categoryTitle": "LCOF2",
"boundTopicId": 910257,
"title": "有效的回文",
"titleSlug": "XltzEq",
"content": "<p>English description is not available for the problem. Please switch to Chinese.</p>\n",
"translatedTitle": "有效的回文",
"translatedContent": "<p>给定一个字符串 <code>s</code> ，验证 <code>s</code> 是否是 <strong>回文串 </strong>，只考虑字母和数字字符，可以忽略字母的大小写。</p>\n\n<p>本题中，将空字符串定义为有效的 <strong>回文串 </strong>。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入: </strong>s =<strong> </strong>"A man, a plan, a canal: Panama"\n<strong>输出:</strong> true\n<strong>解释：</strong>"amanaplanacanalpanama" 是回文串</pre>\n\n<p><strong>示例 2:</strong></p>\n\n<pre>\n<strong>输入:</strong> s = "race a car"\n<strong>输出:</strong> false\n解释："raceacar" 不是回文串</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 <= s.length <= 2 * 10<sup>5</sup></code></li>\n\t<li>字符串 <code>s</code> 由 ASCII 字符组成</li>\n</ul>\n\n<p> </p>\n\n<p><meta charset=\"UTF-8\" />注意：本题与主站 125 题相同： <a href=\"https://leetcode-cn.com/problems/valid-palindrome/\">https://leetcode-cn.com/problems/valid-palindrome/</a></p>\n",
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"difficulty": "Easy",
"likes": 17,
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"similarQuestions": "[]",
"contributors": [
{
"username": "LeetCode",
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"avatarUrl": "https://assets.leetcode-cn.com/aliyun-lc-upload/uploaded_files/2021/03/73c9f099-abbe-4d94-853f-f8abffd459cd/leetcode.png",
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{
"name": "Two Pointers",
"slug": "two-pointers",
"translatedName": "双指针",
"__typename": "TopicTagNode"
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{
"name": "String",
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{
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"code": "class Solution {\npublic:\n bool isPalindrome(string s) {\n\n }\n};",
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"code": "class Solution {\n public boolean isPalindrome(String s) {\n\n }\n}",
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{
"lang": "Python",
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"code": "class Solution(object):\n def isPalindrome(self, s):\n \"\"\"\n :type s: str\n :rtype: bool\n \"\"\"",
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{
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{
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"code": "public class Solution {\n public bool IsPalindrome(string s) {\n\n }\n}",
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{
"lang": "JavaScript",
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"code": "/**\n * @param {string} s\n * @return {boolean}\n */\nvar isPalindrome = function(s) {\n\n};",
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{
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"code": "object Solution {\n def isPalindrome(s: String): Boolean = {\n\n }\n}",
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{
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"code": "(define/contract (is-palindrome s)\n (-> string? boolean?)\n\n )",
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"hints": [],
"solution": null,
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"sampleTestCase": "\"A man, a plan, a canal: Panama\"",
"metaData": "{\"name\": \"isPalindrome\", \"params\": [{\"name\": \"s\", \"type\": \"string\"}], \"return\": {\"type\": \"boolean\"}}",
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