Cod sursa(job #397314)
Utilizator | Data | 16 februarie 2010 19:51:34 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.26 kb |
#include<stdio.h>
int main()
{
int i,a,p,sol=1;
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%d %d",&a,&p);
for(i=0;(1<<i)<=p;i++)
{
if( (1<<i)&p>0)
sol*=a;
a=a*a;
}
printf("%d\n",sol);
return 0;
}