Chapter_2_Final_Test

Chapter_2_Final_Test/constants.hpp

@@ -0,0 +1,16 @@
+/*
+ * constants.hpp
+ *
+ *  Created on: 9 авг. 2021 г.
+ *      Author: alexander
+ */
+
+#ifndef CONSTANTS_HPP_
+#define CONSTANTS_HPP_
+
+namespace myConstants
+{
+	const float g(9.8);
+}
+
+#endif /* CONSTANTS_HPP_ */

Chapter_2_Final_Test/main.cpp

@@ -0,0 +1,72 @@
+/*
+ * 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;
+}