#include <iostream>

using namespace std;
const int kEauationVal = 32;

template <class T>
void getVal(const char text[], T *val);

int main()
{
    float fahrenheit = 0, schritt_weite = 0, maximal_wert = 0;
    float celsiusBuf[10];
    cout << "Eingabe\n\n";
    getVal("Fahrenheit", &fahrenheit);
    cout << "\nAusgabe\n\n";

    for (int i = 0; i <10; i++)
    {
        celsiusBuf[i] = ((fahrenheit+i*10 - kEauationVal) * 5) / 9;
    }

    for (int i = 0; i <10; i++){
        cout<<"Fahrenheit: "<<(fahrenheit+10*i)<<" --> Celsius: "<< celsiusBuf[i]<<endl;
    }
    return 0;
}

template <class T>
void getVal(const char text[], T *val)
{
    do
    {
        cout << "\t" << text << " = ";
        if (cin.fail())
        {
            cin.clear();
            cin.ignore();
        }
        cin >> *val;
    } while (cin.fail() || *val <= 0);
}