Cod sursa(job #872799)
Utilizator | Data | 6 februarie 2013 16:45:43 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include<fstream>
using namespace std;
ifstream d("lgput.in");
ofstream o("lgput.out");
long long a,p,aux;
int main()
{
aux=1;
d>>a>>p;
while (p!=1)
if (p%2==0)
{
a=(a*a)%1999999973;
p/=2;
}
else
{
aux=(aux*a)%1999999973;
p--;
};
o<<(p*a)%1999999973;
}