Cod sursa(job #1554440)
Utilizator | Data | 21 decembrie 2015 12:43:23 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.45 kb |
#include <cstdio>
using namespace std;
int n,p,r=1;
void lgput ()
{
while (p!=1)
{
if (p%2!=0)
{
p--;
r=r*n;
}
else
{
r=n*n;
p/=2;
}
}
r=r*r;
}
int main()
{
freopen ("lgput.in","r",stdin);
freopen ("lgput.out","w",stdout);
scanf("%d %d",&n,&p);
lgput ();
printf ("%d",r);
return 0;
}