Cod sursa(job #416485)

Utilizator andreea1coolBobu Andreea andreea1cool Data 12 martie 2010 20:43:12
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.28 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int main()
{
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	int x,n,pf=1,xp,i;
	scanf("%d%d",&x,&n);
	xp=x;
	for(i=0;(1<<i)<=n;i++){
		if(((1<<i)&n)>0){
			pf=pf*xp;
		}
		xp=(xp*xp)%1999999973;
	}
	printf("%d",pf);
	return 0;
}