Cod sursa(job #655181)
Utilizator | Data | 1 ianuarie 2012 17:44:48 | |
---|---|---|---|
Problema | Invers modular | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <fstream>
using namespace std;
ifstream in;
ofstream out;
inline void euclid_extins(int a,int b,int &x,int &y)
{
if(b==0)
{
x=1;
y=0;
return;
}
int x0,y0;
euclid_extins(b,a%b,x0,y0);
x=y0;
y=x0-(a/b)*y0;
}
int main()
{
int A,N,x,y;
in.open("inversmodular.in");
in>>A>>N;
in.close();
eucild_extins(A,N,x,y);
out.open("inversmodular.out");
out<<x<<'\n';
out.close();
return 0;
}