摘要: 题目链接:http://codeforces.com/problemset/problem/669/D Little Artem is fond of dancing. Most of all dances Artem likes rueda — Cuban dance that is danced 阅读全文
posted @ 2018-07-22 15:14 两点够吗 阅读(179) 评论(0) 推荐(0) 编辑