Cod sursa(job #3047800)
Utilizator | Data | 6 aprilie 2023 10:20:50 | |
---|---|---|---|
Problema | Invers modular | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.24 kb |
#include<fstream>
using namespace std;
ifstream F("inversmodular.in");
ofstream G("inversmodular.out");
int a,b,x,y,z=1,r,c,d;
int main()
{
for(F>>a>>b,d=b;a;r=b%a,c=b/a,b=a,a=r,x=y-c*z,y=z,z=x);
return G<<(y<0?d+y%d:y),0;
}