Cod sursa(job #1464254)

Utilizator SagunistuStrimbu Alexandru Sagunistu 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;
}