Cod sursa(job #1554374)

Utilizator cristii2000cristiiPanaite Cristian cristii2000cristii Data 21 decembrie 2015 12:22:52
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <cstdio>

using namespace std;

int main()
{
    freopen("lgput.in", "r", stdin);
    freopen("lgput.out", "w", stdout);
    int n,p,r=1;
    scanf ("%d %d", &n, &p);
    while (p!=0)
    {
        if (p%2==1)
           {
               r*=n;
               p--;
           }
        else
        {
            n*=n;
            p/=2;
        }
    }
    printf("%d", r);
    return 0;
}