摘要: ```cpp include using namespace std; typedef long long LL; const int maxn = 3e6 + 3; int t, n, cnt; bool v[maxn]; short mu[maxn]; int isp[maxn], phi[ma 阅读全文
posted @ 2019-05-30 17:41 Dillonh 阅读(232) 评论(0) 推荐(0) 编辑