#include <iostream>
 
using namespace std;
 
double potega(double liczba, unsigned int potega);
 
int main()
{
    double a = 2.0, w;
 
    w = potega(a, 3); // 1
 
    cout << a << " do potegi 3 to " << w << endl;
 
    cout << a << " do potegi 4 to " << potega(a, 4) << endl; // 2
 
    cout << "3 do potegi 2 to " << potega(3, 2) << endl; // 3
 
    return 0;
}
 
double potega(double liczba, unsigned int potega)
{
    double wynik = 1;
 
    for (unsigned int i = 1; i <= potega; ++i)
        wynik *= liczba;
 
    return wynik;
}

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