#include <iostream>
#include   <math.h>
using namespace std;

int a,                                              //  uhiuhiuhiu
    b,                                              //  uiguyigig
    c;                                              //  jkhkjhkjhkjh

int discriminant();


///////////////////////////////////////////////////////
int main()
{


    setlocale(LC_ALL, "rus");

    cout << "Введите через пробел коэффициенты A, B и C: ";
    cin >> a >> b >> c;

    int D = discriminant();

    if(D  < 0)
    {
       cout << "У этого уравнения нет решений! (D = " << D << ")\n";
    }

    float x1, x2;

    if(D == 0)
    {

       x1 = -1 * b/(2*a);

       cout << "x1 = " << x1 << endl;
    }


    if(D > 0)
    {

       x1 = ( -1*b + sqrt(D) ) / (2 * a);
       cout << "x1 = " << x1 << " ";

       x2 = ( -1*b - sqrt(D) ) / (2 * a);
       cout << "x2 = " << x2 << endl;


    }
return 0;
}





/////////////////////////////////////////////////////////
int discriminant()                                     //
{

    int p1 =   b*b;
    int p2 = 4*a*c;

return p1 - p2;
}