Cod sursa(job #1438687)

Utilizator FlorinHajaFlorin Gabriel Haja FlorinHaja Data 20 mai 2015 16:29:46
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
#define mod 1999999973
using namespace std;

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

long long a, sol, n, p, i;

int main()
{
    f >> n >> p;
    a = n, sol = 1;
    for (; p; p /= 2)
    {
        if (p%2 == 1)
            sol = (sol*a)%mod;
        a = (a*a)%mod;
    }
    g << sol;
    return 0;
}