Cod sursa(job #1257924)
Utilizator | Tudor Coman tudorcoman | Data | 8 noiembrie 2014 12:20:40 |
---|---|---|---|
Problema | Invers modular | Scor | 0 |
Compilator | cpp | Status | done |
Runda | cls6ichbsim1 | Marime | 0.44 kb |
#include <cstdio>
using namespace std;
long long putere(long long x, long long y) {
if(y == 0)
return 1;
long long d = putere(x, y/2);
if(y%2 == 0)
return d*d;
else
return x*d*d;
}
int main()
{
freopen("inversmodular.in","r",stdin);
freopen("inversmodular.out","w",stdout);
long long n,p;
scanf("%lld%lld",&n,&p);
printf("%lld\n",putere(n,p-2)%p);
return 0;
}