Cod sursa(job #546375)

Utilizator daniel.florinPitis Daniel-Florin daniel.florin Data 4 martie 2011 20:50:11
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <cstdio>
#include <cstring>

const int m = 1999999973;

int main()
{
	int i,n,p;
	long long a,sol=1;
	freopen("putere.in","r",stdin);
	freopen("putere.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)%m;
			a=(a*a)%m;
	}
	printf("%lld",sol);
	return 0;
}