Cod sursa(job #494446)

Utilizator stefaniaStefania Ciubuc stefania Data 21 octombrie 2010 17:52:32
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; 
ifstream f("lgput.in");
ofstream g("lgput.out");
int main()
{
	long long p=1,a,n;
	f>>n>>a;
	while (n)
	{
		if (n%2==1)
			p=(long long)p*a%1999999973;
		n/=2;
		a=(long long)a*a%1999999973;
	}
	g<<p;
	f.close();
	g.close();
	return 0;
}