Cod sursa(job #987957)
Utilizator | Data | 21 august 2013 18:07:09 | |
---|---|---|---|
Problema | Invers modular | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
using namespace std;
ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
int Pow(int N, int P)
{
int Sol=1;
while(P)
{
if(P&1)
{
Sol=(Sol*N)%MOD;
}
N=(N*N)%MOD;
P=P>>1;
}
return Sol;
}
int main()
{
int A, B;
fin>>A>>B;
fout<<Pow(A,B-2)<<"\n";
return 0;
}