#include <iostream>
#include <cmath>

using namespace std;
int main()
{
	int age;
	char wybor;
	do {
		system("cls");
		/*cout << "What is your age? \n";
		cin >> age;
		if (age > 5) {
			cout << "Your age is more than 5. \n";
		}
		else if (age == 0) {
			cout << "You are 5 years old. \n";
		}
		else {
			cout << "Your age is less than 5. \n";
		}
		cout << "Your age is: " << age << endl; */
		/*
		int a, b;
		cout << "Put your first number \n";
		cin >> a;
		cout << "Put your second number \n";
		cin >> b;
		*/
		/*cout << "Sum of your numbers is: " << a + b <<endl; */

		/*while (a > b) {
			cout << a << " is bigger than " << b << endl;
			break;
		}
		while (b > a) {
			cout << b << " is bigger than " << a << endl;
			break;
		}
		while (a==b) {
		cout << a << " and " << b << " are even numbers \n";
		}
		*/

		/*
		if (a > b) {
			cout << a << " is bigger than " << b << endl;
		}
		else if (a < b) {
			cout << b << " is bigger than " << a << endl;
		}
		else {
			cout << a << " and " << b << " are even numbers \n";
		}
		*/
		double a, b, c, delta;
		cout << "Put a: ";
		cin >> a;
		cout << "Put b: ";
		cin >> b;
		cout << "Put c: ";
		cin >> c;
		delta = b * b - (4 * a * c);

		if (delta > 0) {
			cout << "x1 is: " << (-b + sqrt(delta)) / (2 * a)<<endl;
			cout << "x2 is: " << (-b - sqrt(delta)) / (2 * a) << endl;
		}
		else if (delta == 0) {
			cout << "x0 is: " << (-b) / (2 * a) << endl;
		}
		else {
			cout << "There are no possible solutions \n";
		}
		cout << "If you want to try again write 'y'. \n";
		cin >> wybor;
	} while (wybor == 'Y' || wybor == 'y');
	return 0;
}