摘要: #include #include #include #include #include #include using namespace std; typedef long long LL; const int maxn = 1e6+5; LL n; LL get_Euler(LL x){ LL res = x; ///初始值 for(LL i = 2LL; i ... 阅读全文
posted @ 2019-07-10 10:02 wuliking 阅读(147) 评论(0) 推荐(0)