#include <iostream>
#include <math.h>

using namespace std;
float licz();
int main()
{

licz();

}

float licz()
{
	float a,b,c;
	cout << "Podaj a" <<endl;
	cin >> a;
	cout << "Podaj b" <<endl;
	cin >> b;
	cout << "Podaj c" <<endl;
	cin >> c;


float delta= (b*b - (4*a)*c);


if (delta>0)
{
	float x1= ((-b)-sqrt(delta))/(2*a);
	float x2= ((-b)+sqrt(delta))/(2*a);
cout << " X1 ="<< x1 <<endl<< "X2 = " << x2 <<endl;
}
else if(delta=0)
{
	float x= ((-b)-sqrt(delta))/(2*a);
	cout << " X ="<< x <<endl;

}
else if(delta<0)
{
	cout << "Nie ma rozwiazań."<<endl;
}
}