HW3

#include <iostream>

int power(const int& a, int b);

int main()
{
    int a, b;
    std::cout << "Enter num and power: ";
    std::cin >> a >> b;
    int r = power(a, b);
    std::cout << a << " power to " << b << " is " << r << std::endl;
    return 0;
}

int power(const int& a, int b)
{
    static int ao = a;
    if (b == 0) return 1;
    else if (b == 1) return a;
    else
    {
        b--;
        return power(a * ao, b);
    }
}