Cod sursa(job #1350268)

Utilizator mateidanutDanut Gabriel Matei mateidanut Data 20 februarie 2015 18:49:55
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.28 kb
Raporteaza aceasta sursa 
#include <fstream>
#define MOD 1999999973
using namespace std;

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

long long x, p, nr, i;

int main()
{	f>>x>>p;
	nr=1;
	for (i=0; (1<<i)<=p; ++i)
	{	if ((1<<i) & p) nr=(nr*x)%MOD;
		x=(x*x)%MOD;
	}
	g<<nr;
    return 0;
}