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怎么老是超时呢?郁闷
附代码:
#include <iostream>
#include <cmath>
using namespace std;
void main()
{
int z,m,h;
cin>>z;
for(int i=0;i<z;i++)
{
int a,b;
__int64 ans=1,sum=0;
cin>>m>>h;
for(int j=0;j<h;j++)
{
scanf("%d%d",&a,&b);
ans=1;
for(int k=0;k<b;k++)
ans=ans*a%m;
sum=(sum+ans)%m;
}
printf("%d",sum);
cout<<endl;
}
}
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