Cod sursa(job #558153)

Utilizator andonemadalin andone Data 17 martie 2011 09:31:41
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.28 kb
#include<fstream>
using namespace std;
ifstream intrare("logput.in");
ofstream iesire("logput.out");
int n,r,x,rez,px;
int main()
{	
	intrare>>x;
	rez=1;
	px=x;
	intrare>>n;
	while(n>0)
	{
		r=n%2;
		if(r==1)
			rez=rez*px;
		n=n/2;
		px=px*px;
	}
	iesire<<rez;
}