摘要: It is Professor R's last class of his teaching career. Every time Professor R taught a class, he gave a special problem for the students to solve. You 阅读全文
posted @ 2020-04-23 23:34 DeaL57 阅读(156) 评论(0) 推荐(0)
摘要: You are given a string ss consisting of lowercase Latin letters. Let the length of ss be |s||s|. You may perform several operations on this string. In 阅读全文
posted @ 2020-04-23 22:07 DeaL57 阅读(176) 评论(0) 推荐(0)
摘要: Eugene likes working with arrays. And today he needs your help in solving one challenging task. An array cc is a subarray of an array bb if cc can be 阅读全文
posted @ 2020-04-23 21:05 DeaL57 阅读(253) 评论(0) 推荐(0)