Cod sursa(job #1939905)

Utilizator Codrin2004Codrin George Nichifor Codrin2004 Data 26 martie 2017 10:00:40
Problema Ridicare la putere in timp logaritmic Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>
#define m 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n,p,r;
int main()
{
    fin>>n>>p;
    n=2;
    r=1;
    while(p>=1)
    {
        if(p%2!=0)
            r=(r*n)%m;
        n=(n*n)%m;
        p=p/2;

    }
    fout<<r;
    return 0;
}