Cod sursa(job #295046)

Utilizator codrinCodrin LACHE codrin Data 2 aprilie 2009 22:22:59
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.4 kb
#include <stdio.h>
#include <string.h>

const int n_max = 10001;
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); 
}