Cod sursa(job #732465)

Utilizator predatorGigi Valoare predator Data 10 aprilie 2012 15:01:39
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.28 kb
Raporteaza aceasta sursa 
#include <stdio.h>
int i,n,p;
int m=1999999973;
long long a,sol;
int main()
{
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	scanf("%d %d", &n, &p);
	sol=1;
	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);
}