2021年8月5日
Period [HDU 1358]
摘要： 题目： For each prefix of a given string S with N characters (each character has an ASCII code between 97 and 126, inclusive), we want to know whether th 阅读全文
posted @ 2021-08-05 12:22 GUO_dx 阅读(80) 评论(0) 推荐(0)