Cod sursa(job #494419)

Utilizator ladybalexandra dinculescu ladyb Data 21 octombrie 2010 17:27:52
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include<cstdio>
const int M=1999999973;
int main()
{
	int a,n;
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	scanf("%d%d",&a,&n);
	if (n==0)
		return 1;
	int p=1;
	while(n!=0)
	{
		if (n%2==1)
			p=(long long)p*a%M;
		a=(long long)a*a%M;
		n/=2;;
	}
	printf("%d",p);
	return 0;
}