Cod sursa(job #1676342)

Utilizator MaraaMMihali Mara MaraaM Data 5 aprilie 2016 20:44:35
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>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
const int m=1999999973;
int n,p,i;
long long int a, sol=1;
int main()
{
    f>>n>>p;
    a=n;
    for(i=0;(1<<i)<=p;++i)
    {
        if(((1<<i)&p)>0)
            sol=(sol*a)%m;
      a=(a*a)%m;
    }
    g<<sol;

    return 0;
}