Cod sursa(job #613896)

Utilizator ibicecIT Zilla ibicec Data 4 octombrie 2011 23:57:21
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <cstdio>

long long pow(int a, int b)
{
	if ( !b ) return 1;
	return ( b%2 == 0 ) ? pow( (long long)a*a, b/2 ) : a*pow( (long long)a*a, (b-1)/2);
}

int main()
{
	int x, y;
	long long r;

	freopen("lgput.in", "r", stdin);
	freopen("lgput.out", "w", stdout);

	scanf("%d%d", &x, &y);
	r = pow(x, y);
	printf("%lld", r%31720000L);
}