Cod sursa(job #1329560)

Utilizator metrix007Lungu Ioan Adrian metrix007 Data 29 ianuarie 2015 17:18:37
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <iostream>
#include <fstream>
using namespace std;

int lgput(int x, int n)
{
    int p=1;
    while(n>0){
    if(n%2!=0)
    {
        p=p*x;
        n--;
    }
    x=x*x;
    n=n/2;
    }
    return p;
}

int main()
{
    ifstream in("lgput.in");
    ofstream out("lgput.out");

    int x,n;
    in >> x >> n;
    out << lgput(x,n);
    return 0;
}