2019年9月5日
Tufurama CodeForces - 961E (cdq分治)
摘要： 题面 One day Polycarp decided to rewatch his absolute favourite episode of well known TV series "Tufurama". He was pretty surprised when he got results 阅读全文
posted @ 2019-09-05 14:31 断腿三郎 阅读(289) 评论(0) 推荐(0) 编辑