Cod sursa(job #1464254)
Utilizator | Data | 22 iulie 2015 19:09:02 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <cstdio>
using namespace std;
int n,p;
int ridic(int n,int p)
{
if(p==1)
return n;
if(p%2==0)
{
int a=ridic(n,p/2);
return a*a;
}
if(p%2==1)
{
int a=ridic(n,p/2);
return a*a*n;
}
}
int main()
{
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%d%d",&n,&p);
printf("%d",ridic(n,p));
return 0;
}