Cod sursa(job #558186)

Utilizator alexrusuRusu Alexandru alexrusu Data 17 martie 2011 09:41:41
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
long long n,p,px,r,rez;
int main()
{
	ifstream f("lgput.in");
	ofstream g("lgput.out");
	f>>n>>p;
	px=n;
	rez=1;
	while (n)
	{
		r=n%2;
		if (r)
			rez*=px;
		px*=px;
		n/=2;
	}
	
	g<<rez<<'\n';
	f.close();
	g.close();
	return 0;
}