Cod sursa(job #1394459)
Utilizator | Data | 20 martie 2015 12:32:14 | |
---|---|---|---|
Problema | Invers modular | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.26 kb |
#include <fstream>
//a*x=n*c+1 <==> x= (n*c+1)/a
using namespace std;
ifstream f("inversmodular.in");
ofstream g("inversmodular.out");
int a,n,c;
int main()
{
f>>a>>n;
c=1;
while((n*c+1)%a!=0)
c++;
g<<(n*c+1)/a;
return 0;
}