Cod sursa(job #386806)

Utilizator cameleonGeorgescu Dan cameleon Data 26 ianuarie 2010 04:37:43
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include<stdio.h>
#define modulo 1999999973
int n,p,x[100],k,put;
void baza(int a)
{
	while(a)
	{
		k++;
		x[k]=a%2;
		a/=2;
	}
}
int main()
{
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	scanf("%d%d",&n,&p);
	baza(p);
	put=1;
	while(k)
	{
		put=(put*put)%modulo;
		if(x[k])put=(put*n)%modulo;
		k--;
	}
	printf("%d",put);
	return 0;
}