随笔分类 -  数论

Codeforces Round #544 (Div. 3) Codeforces Round #544 (Div. 3)
摘要：International Women's Day is coming soon! Polycarp is preparing for the holiday. There are n n candy boxes in the shop for sale. The i i th box contai 阅读全文
posted @ 2019-03-09 22:17 _yjun 阅读(290) 评论(0) 推荐(0)