随笔分类 -  数论-杜教筛

摘要:题面:https://www.luogu.org/problem/P4213 cpp include include include include include include include include include using namespace std; const int mod= 阅读全文
posted @ 2019-08-06 19:27 prestige 阅读(118) 评论(0) 推荐(0)