Cod sursa(job #1934058)

Utilizator darian2001Clodnischi Darian Antonio darian2001 Data 21 martie 2017 09:09:30
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int main()
{
    unsigned long long n,p,produs=1,paux,naux,ctr;
    f>>n>>p;
    while(p!=0)
    {
        paux=p;
        naux=n;
        ctr=1;
        while(paux!=1)
        {
            naux*=naux;
            paux=paux>>1;
            ctr=ctr<<1;
        }
        p=p-ctr;
        produs*=naux;
    }
    g<<produs;
    f.close();
    g.close();
}