比赛 |
防止浮躁的小练习v0.4 |
评测结果 |
AAAAAAAAAA |
题目名称 |
eins |
最终得分 |
100 |
用户昵称 |
NVIDIA |
运行时间 |
1.879 s |
代码语言 |
C++ |
内存使用 |
0.32 MiB |
提交时间 |
2016-10-13 17:37:46 |
显示代码纯文本
#include<bits/stdc++.h>
using namespace std;
long long n,fn,p;
struct XTT
{
long long x1,x2,y1,y2;
};
XTT operator *(XTT const &a,XTT const &b)
{
XTT ans;
ans.x1=a.x1*b.x1+a.x2*b.y1,ans.x1%=p;
ans.x2=a.x1*b.x2+a.x2*b.y2,ans.x2%=p;
ans.y1=a.y1*b.x1+a.y2*b.y1,ans.y1%=p;
ans.y2=a.y1*b.x2+a.y2*b.y2,ans.y2%=p;
return ans;
}
XTT POW(XTT const &x,int const &y)
{
if(y<=1)
return x;
if(y%2==0)
return POW(x*x,y/2);
return POW(x*x,y/2)*x;
}
int main()
{
freopen("eins.in","r",stdin);
freopen("eins.out","w",stdout);
XTT b={1,0,0,0};
XTT f={1,1,1,0};
cin>>n;
for(int i=0;i<n;i++)
{
scanf("%d%d",&fn,&p);
if(fn==0)
cout<<0<<endl;
else
{
printf("%d\n",((b*POW(f,fn-1)).x1)%p);
}
}
return 0;
}