73 lines
1.3 KiB
C++
73 lines
1.3 KiB
C++
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/*
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* main.cpp
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*
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* Created on: 9 авг. 2021 г.
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* Author: alexander
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*/
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#include <iostream>
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#include "constants.hpp"
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#include <math.h>
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#include <iomanip>
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using namespace std;
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void exercise_3();
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void exercise_4();
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float dropPerSecond(const int& second);
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int main()
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{
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exercise_3();
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exercise_4();
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return 0;
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}
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void exercise_3()
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{
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double a(0.0);
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double b(0.0);
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cout << "Enter a double value: ";
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cin >> a;
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cout << "Enter a double value: ";
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cin >> b;
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char operation;
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cout << "Enter one of the following: +, -, * or /: ";
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cin >> operation;
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if (operation == '+')
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cout << a << " + " << b << " = " << a + b << endl;
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else if (operation == '-')
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cout << a << " - " << b << " = " << a - b << endl;
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else if (operation == '*')
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cout << a << " * " << b << " = " << a * b << endl;
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else if (operation == '/')
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cout << a << " / " << b << " = " << a / b << endl;
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}
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void exercise_4()
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{
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int towerHeight(0);
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cout << "Enter the initial height of the tower in meters: ";
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cin >> towerHeight;
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for (int i = 0; i <= 5; ++i)
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{
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if (towerHeight - dropPerSecond(i) < 0)
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cout << "At " << i << " seconds, the ball is on the ground" << endl;
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else
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cout << "At " << i << " seconds, the ball is at height: " <<
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towerHeight - dropPerSecond(i) << endl;
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}
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}
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float dropPerSecond(const int& second)
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{
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return (myConstants::g * pow(second, 2)) / 2;
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}
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