Cod sursa(job #277886)

Utilizator cotofanaCotofana Cristian cotofana Data 11 martie 2009 22:55:31
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <stdio.h>
#define nr 1999999973

long long n, p, sol;

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