Cod sursa(job #1584565)

Utilizator bardantediBardan Tedi bardantedi Data 30 ianuarie 2016 11:50:44
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.25 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int a,n,x;
int main()
{
    f>>a>>n;
    x=1;
    while(n)
    {
        if(n%2==1) x=x*a;
        n=n/2;
        a=a*a;
    }
    g<<x;
    return 0;
}