Cod sursa(job #1837039)

Utilizator medicinedoctoralexandru medicinedoctor Data 28 decembrie 2016 22:49:36
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;

ifstream cin("lgput.in");
ofstream cout("lgput.out");

main()
{
    int n,p,s=1;
    cin >> n >> p;
    for (int i=0; (1<<i)<=p; i++)
    {
        if (((1<<i)&p)>0) s=(s*n) % 1999999973;
        n=(n*n) % 1999999973;
    }
    cout << s;
}