Cod sursa(job #1509233)

Utilizator WladDalwMvladutu cristian vlad WladDalwM Data 23 octombrie 2015 16:34:36
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>

using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{

    long long n;
    int p,r=1;
    in>>n>>p;
    while(p!=1)
    {
        if(p%2==0)
        {
            p=p/2;
            n=n*n%1999999973;
        }
        else
        {
            p=p-1;
            r=n%1999999973;
        }

    }
    n=n*r;
    out<<n%1999999973;
    return 0;
}