Cod sursa(job #2796646)
Utilizator | Data | 8 noiembrie 2021 16:48:20 | |
---|---|---|---|
Problema | Invers modular | Scor | 50 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.6 kb |
#include <fstream>
using namespace std;
void euclid(int a, int b, int* d, int* x, int* y) {
if (b==0) {
*d=a;
*x=1;
*y=0;
}
else {
int x0, y0;
euclid(b, a%b, d, &x0, &y0);
*x = y0;
*y = x0 - (a/b)*y0;
}
}
int main()
{
ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
int A,N;
fin>>A>>N;
int* d=new int;
int* x=new int;
int* y=new int;
euclid(A, N, d, x, y);
fout<<*x;
delete d,x,y;
fin.close();
fout.close();
return 0;
}