#include <iostream>
#include <cmath>
using namespace std;
double delta (double a, double b, double c)
{
double w;
w = b * b - 4 * a * c;
return w;
}
void pierwiastki (double b, double d, double a)
{
double x0, x1, x2;
if (d < 0)
{
cout << "Brak pierwiastkow" << endl;
}
else if (d == 0)
{
x0 = (-b - sqrt (d)) / (2 * a);
cout << "Pierwiastek x0: " << x0 << endl;
}
else
{
x1 = (-b - sqrt (d)) / (2 * a);
x2 = (-b + sqrt (d)) / (2 * a);
cout << "Pierwiastek x1: " << x1 << endl;
cout << "Pierwiastek x2: " << x2 << endl;
}
}
int main ()
{
double aa, bb, cc, d;
cout << "Podaj a: ";
cin >> aa;
cout << "Podaj b: ";
cin >> bb;
cout << "Podaj c: ";
cin >> cc;
d = delta (aa, bb, cc);
pierwiastki(bb,d,aa);
return 0;
}