2019年9月11日
A - Period（kmp的next数组的应用）
摘要： 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 the pr 阅读全文
posted @ 2019-09-11 19:44 liyexin 阅读(233) 评论(0) 推荐(1)