Cod sursa(job #669707)

Utilizator raduiris94Alexa Radu raduiris94 Data 27 ianuarie 2012 16:29:30
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <cstdio>
#include <string.h>
#define mod 1999999973;
int main()
{
	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)%mod;
		a=(a * a)%mod;
	}
	printf("%lld\n", sol);
}