Cod sursa(job #2037764)
Utilizator | Data | 12 octombrie 2017 19:08:00 | |
---|---|---|---|
Problema | Invers modular | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.32 kb |
#include <fstream>
using namespace std;
ifstream in("inversmodular.in");
ofstream out("inversmodular.out");
int i , a , n ;
int mod(int a, int n)
{
a = a%n;
for (int i=1; i<n; i++)
if ((a*i) % n == 1)
return i;
}
int main()
{
in>>a>>n;
out<<mod (a , n );
return 0;
}