Билет 22

#include<iostream>
#include <windows.h>

using namespace std;

class First
{
protected:
    double D;
    double a;
    double b;
    double c;
public:
    First()
    {
        cout << "a: ";
        cin >> a;
        cout << "b: ";
        cin >> b;
        cout << "c: ";
        cin >> c;
        D = (b*b) - (4 * a*c);
        cout << "D: " << D << endl;
    }
};

class Second :public First
{
private:
    double x1;
    double x2;
public:
    void Task()
    {

        __try {
            if (a == 0 || D < 0)
            {
                RaiseException(EXCEPTION_PRIV_INSTRUCTION, 0, 0, NULL);
            }
            x1 = (-b + sqrt(D)) / 2 * a;
            x2 = (-b - sqrt(D)) / 2 * a;
            cout << "X1 = " << x1 << endl;
            cout << "X2 = " << x2 << endl;
        }
        __except (EXCEPTION_EXECUTE_HANDLER)
        {
            cout << "Error! Division by zero or D<0!" << endl;
        }
    }
};

int main()
{
    Second obj1;
    obj1.Task();
    system("pause");
    return 0;
}