Cod sursa(job #1188228)

Utilizator mateidanutDanut Gabriel Matei mateidanut Data 19 mai 2014 08:07:34
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>
using namespace std;

const long long mod=1999999973;
long long n, p;

ifstream f("lgput.in");
ofstream g("lgput.out");

long long Exp(int x, int p)
{
    if (p!=1) {
        if (p%2==0)
            return Exp(x*x, p/2)%mod;
        else
            return (n*Exp(x*x, p/2)%mod)%mod;
    }
    else
        return x;
}

int main()
{
    f>>n>>p;
    g<<Exp(n, p);
    return 0;
}