Cod sursa(job #1734180)

Utilizator dianamariaDiana Cataros dianamaria Data 26 iulie 2016 18:37:11
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <fstream>

using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int main()
{
    unsigned long long n,p,x=1999999973,s=1,i;
    in>>n>>p;
    while (p)
    {
        if (p%2==0)
        {
            p=p/2;
            s=(n*n*2)%x;
        }
        else
        {
            p--;
            s=(s*n)%x;
        }
    }
    out<<s;
    return 0;
}