Cod sursa(job #1509110)

Utilizator ioanabbnIoana Baban ioanabbn Data 23 octombrie 2015 15:19:55
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include <fstream>

using namespace std;

int main()
{
    ifstream in ("lgput.in");
    ofstream out ("lgput.out");
    int n, k, r=1;
    in>>n>>k;
    while(k != 1)
    {
        if(k%2==0)
        {
            n=n*n;
            k=k/2;
        }
        else
        {
            k=k-1;
            r=r*n;
        }
    }
    n=n*r;
    out<<n<<'\n';
    return 0;
}