Cod sursa(job #676721)

Utilizator Alexandru13Dumitraiche Marius-Alexandru Alexandru13 Data 9 februarie 2012 15:49:39
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#define mod 1999999973
#include<stdio.h>

int putere(int a,  int b)
{
	 int rezultat=1;
	while(b)
	{
		if(b%2)
			rezultat=(a*a)%mod;
		a=(a*a)%mod;
		b/=2;
	}
	return rezultat;
}
int main()
{
	freopen("lgput.in","r",stdin);freopen("lgput.out","w",stdout);
	int a,b;
	scanf("%d %d", &a, &b);
	printf("%d", putere(a,b));
	return 0;
}