摘要:
#include<cstdio>#include<cstdlib>#include<cstring>#include<iostream>#include<algorithm>using namespace std; const int maxn=3000005;long long oula[maxn 阅读全文
posted @ 2018-07-18 11:22
窗子外和窗子里
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摘要:
//矩阵快速幂,本题二阶矩阵#include<cstdio>#include<cstring>#include<cstdlib>#include<iostream>#include<algorithm>using namespace std; const int mod = 1e9+7;struct 阅读全文
posted @ 2018-07-18 11:19
窗子外和窗子里
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