Cod sursa(job #582381)

Utilizator SadmannCornigeanu Calin Sadmann Data 15 aprilie 2011 12:04:36
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
#include<fstream>
#define MOD 1999999973
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int n,p;
int main()
{
    in>>n>>p;
    int sol=1,a=n;
    for(int i=0;1<<i<=p;i++)
    {
        if((1<<i) & p)
            sol=(sol*a)%MOD;
        a=(a*a)%MOD;
    }
    out<<sol;

    return 0;
}