Cod sursa(job #157294)

Utilizator M@2Te4iMatei Misarca M@2Te4i Data 12 martie 2008 22:37:01
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <ctdio>
#include <cstring>

const int m=1999999973;

int main()
{
	unsigned int i, n, p;
	long long a, sol=1;
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	scanf("%d%d", &n, &p);
	a=n;
	for (i=0; (1<<i)<=p; ++i)
	{
		if (((1<<i)&p)>0)
			sol=(sol*a)%m;
        a=(a*a)%m;
	}
	printf("%lld\n", sol);
}