Cod sursa(job #670711)

Utilizator dragangabrielDragan Andrei Gabriel dragangabriel Data 29 ianuarie 2012 20:52:20
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.28 kb
Raporteaza aceasta sursa 
#include<cstdio>
#define c 1999999973;

int main()
{
	long long a,b,p=1;
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	scanf("%lld %lld",&a,&b);
	a=a%c;
	while (b) 
	{
		if (b%2==1) p=(p*a)%c;
		a=(a*a)%c;
		b/=2;
	}
	printf("%lld\n",p);
	return 0;
}