/*
 * main.cpp
 *
 *  Created on: 9 авг. 2021 г.
 *      Author: alexander
 */
#include <iostream>
#include "constants.hpp"
#include <math.h>
#include <iomanip>

using namespace std;

void exercise_3();
void exercise_4();

float dropPerSecond(const int& second);

int main()
{
	exercise_3();
	exercise_4();

	return 0;
}

void exercise_3()
{
	double a(0.0);
	double b(0.0);

	cout << "Enter a double value: ";
	cin >> a;
	cout << "Enter a double value: ";
	cin >> b;

	char operation;

	cout << "Enter one of the following: +, -, * or /: ";
	cin >> operation;

	if (operation == '+')
		cout << a << " + " << b << " = " << a + b << endl;
	else if (operation == '-')
		cout << a << " - " << b << " = " << a - b << endl;
	else if (operation == '*')
		cout << a << " * " << b << " = " << a * b << endl;
	else if (operation == '/')
		cout << a << " / " << b << " = " << a / b << endl;
}

void exercise_4()
{
	int towerHeight(0);

	cout << "Enter the initial height of the tower in meters: ";
	cin >> towerHeight;

	for (int i = 0; i <= 5; ++i)
	{
		if (towerHeight - dropPerSecond(i) < 0)
			cout << "At " << i << " seconds, the ball is on the ground" << endl;
		else
			cout << "At " << i << " seconds, the ball is at height: " <<
				towerHeight - dropPerSecond(i) << endl;
	}
}

float dropPerSecond(const int& second)
{
	return (myConstants::g * pow(second, 2)) / 2;
}