Cod sursa(job #1569788)

Utilizator iDanyelArvat Ovidiu Daniel iDanyel Data 15 ianuarie 2016 22:00:43
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    int n, x;
    long p;
    p=1;
    f >> x >> n;
    while(n>0)
    {
        if(n%2!=0)
        {
            p*=x;
            n--;
        }
        x*=x;
        n=n/2;
    }
    g << p;
    f.close();
    g.close();
    return 0;
}