Cod sursa(job #679948)

Utilizator RaduDoStochitoiu Radu RaduDo Data 13 februarie 2012 21:10:32
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<cstdio>
int x=1,a,b;
void lgput(int a,int b)
{
	while(b>0)
	if(b%2==1)
	{
		x=x*a;b--;
		x%=1999999973;
	}
	else
	{
		a=a*a;a%=1999999973;
		b/=2;
	}
}
int main()
{
	freopen("lgput.in","r",stdin);
	freopen("lgput.out","w",stdout);
	scanf("%d%d",&a,&b);
	lgput(a,b);
	printf("%d\n",x%1999999973);
	return 0;
}