Cod sursa(job #1170814)

Utilizator pufoseniePufosenie pufosenie Data 14 aprilie 2014 17:17:36
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.49 kb
#include <fstream>
using namespace std;

ifstream is("lgput.in");
ofstream os("lgput.out");

#define MOD 1999999973
int n, p;
long long Pow( int x, int y );

int main()
{
    is >> n >> p;
    os << Pow( n, p );

    is.close();
    os.close();
    return 0;
}

long long Pow( int x, int y )
{
    if ( y == 0 ) return 1;
    if ( y == 1 ) return x;
    long long aux = Pow( x, y / 2 );
    aux = ( aux * aux ) % MOD;
    if ( y % 2 == 1 )
        aux *= x;
    return aux;
}