Cod sursa(job #937740)

Utilizator GrandmasterSoucup Bogdan Grandmaster Data 10 aprilie 2013 22:48:48
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

int main ()
{
	unsigned long x, y , c = 1999999973, i, temp = 1, rez = 1;
	fin>>x>>y;
	temp = x;
	while(y!=0)
	{
		if(y % 2 != 0)
			rez = (rez * temp) % c;
		temp = (temp * temp) % c;
		y /= 2;
	}
	fout<<rez;
	return 0;
}