Cod sursa(job #495621)

Utilizator freakingVlad Eu freaking Data 26 octombrie 2010 09:45:36
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 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;
		else
			a=(a * a) % m; 
	}
	printf("%lld\n", sol);	
}