题解 | 回文字符串
回文字符串
https://www.nowcoder.com/practice/84424799af474ba093b06c29a1f12dfb
{"html":"<!DOCTYPE html>\r\n<html>\r\n <head>\r\n <meta charset=utf-8>\r\n </head>\r\n <body>\r\n \t\r\n <script type=\"text/javascript\">\r\n const _isPalindrome = string => {\r\n // 补全代码\r\n let l = 0\r\n let r = string.length-1\r\n while(l<r){\r\n if(string[l]!==string[r]){\r\n return false\r\n }\r\n l++\r\n r--\r\n }\r\n return true\r\n \r\n }\r\n </script>\r\n </body>\r\n</html>","css":"/* html, body {\\n\\twidth: 100%;\\n\\theight: 100%;\\n\\tmargin: 0;\\n\\tpadding: 0;\\n} */","js":"// 请在这里输入代码"}
双指针
