Cod sursa(job #381585)

Utilizator andreii_93andrei ion andreii_93 Data 11 ianuarie 2010 08:35:37
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include<cstdio>

const int m = 1999999973;

long long put(int a,int n)
{
	if(n==1) return a;
	if(n%2==0) return put(a*a%m,n/2);
	return a*put(a*a%m,n/2)%m;
}
int main()
{
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	long long p,a,n;
	scanf("%lld%lld",&a,&n);
	p=put(a,n);
	printf("%lld\n",p);
	return 0;
}