Cod sursa(job #1291283)

Utilizator razvan_m3Razvan razvan_m3 Data 12 decembrie 2014 17:45:11
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
 #include <fstream>

using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int main()
{
    int a,b,rez,n;
    in>>a>>b;
    rez=a;
    n=a*a;
    while (b%2==1)
    {
        rez=rez*a;
        b--;
    }
    while (b%2==0)
    {
        n=n*a;
        b=b/2;
    }
    out<<rez*n;
    return 0;
}