// generate a random array of size 's'
template <class T>
void GenArray(int s, T a[])
{
   for (int i = 0; i < s; i ++)
       a[i] = (T)(rand()%256);   // cast to be type T, anticipating
                                 // integers, floats, doubles, chars
}

// print array
template <class T>
void PrintArray(int s, const T a[])
{
    for (int i = 0; i < s; i ++)
	cout << a[i] << endl;
}