摘要: B.矩阵快速幂 等比数列二分求和 #include <iostream> #include<cstdio> #include<cstring> using namespace std; int n,k,mod; const int MAXN=35; struct Mat{ int n,m; int 阅读全文
posted @ 2019-01-20 14:36 l..q 阅读(172) 评论(0) 推荐(0)