Cod sursa(job #1318970)

Utilizator AhabyIloaia Pirvulescu Andreea Ahaby Data 16 ianuarie 2015 15:29:36
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int main()
{
    long long N,P,M,x,y;
    fin>>N>>P;
    M=1999999973;
    y=1;
    x=N%M;
    while(P!=0)
    {
        if(P%2==1)
        {
            y=(y*x)%M;
        }
        x=(x*x)%M;
        P=P/2;
    }
    fout<<y;
    return 0;
}