Cod sursa(job #1172327)

Utilizator tziplea_stefanTiplea Stefan tziplea_stefan Data 17 aprilie 2014 12:31:40
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.45 kb
#include <fstream>

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

long long n,putere,p,i;

int main()
{
    fin >> n >> p;
    putere=1;
    while (p!=0)
    {
        if (p % 2==1)
        {
            putere*=n;
            putere%=1999999973;
            p--;
        }
        n*=n;
        n%=1999999973;
        p/=2;
    }
    fout << putere;
    fin.close();
    fout.close();
    return 0;
}