Cod sursa(job #1291968)

Utilizator VladyyVlad Velicu Vladyy Data 13 decembrie 2014 15:35:47
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>
#include <cmath>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");


int main()
{
    long long rez=1,m=1999999973,n,p;
    in >>n >>p;
    for(int i=0;(1<<i)<=p;i++)
    {
        if((p>>i)&1)
            rez=(rez*n)%m;
        n=(n*n)%m;
    }

    out<<rez;

    return 0;
}