#include #include   using namespace std;   // declare functions void display_menu(); void convert_temp(); double to_celsius(double fahrenheit); double to_fahrenheit(double celsius);   int main() {   cout << "Convert Temperatures\n\n";       display_menu();     char again = 'y';     while (again == 'y')      {         convert_temp();           cout << "Convert another temperature? (y/n): ";         cin >> again;         cout << endl;     }     cout << "Bye!\n"; }   // define functions void display_menu()  {     cout << "MENU\n"         << "1. Fahrenheit to Celsius\n"         << "2. Celsius to Fahrenheit\n\n"; }   void convert_temp()  {     int option;     cout << "Enter a menu option: ";     cin >> option;       double f = 0.0;     double c = 0.0;     switch (option)      {         case 1:             cout << "Enter degrees Fahrenheit: ";             cin >> f;               c = to_celsius(f);             c = round(c * 10) / 10;        // round to one decimal place               cout << "Degrees Celsius: " << c << endl;             break;         case 2:             cout << "Enter degrees Celsius: ";             cin >> c;               f = to_fahrenheit(c);             f = round(f * 10) / 10;       // round to one decimal place                 cout << "Degrees Fahrenheit: " << f << endl;             break;         default:             cout << "You must enter a valid menu number.\n";             break;     } }   double to_celsius(double fahrenheit)  {     double celsius = (fahrenheit - 32.0) * 5.0 / 9.0;     return celsius; }   double to_fahrenheit(double celsius)  {     double fahrenheit = celsius * 9.0 / 5.0 + 32.0;     return fahrenheit; }   Now, modify it to do the following: Add two more functions to handle another type of conversion (distance, weight, etc.) and use function overloading. Overload the functions with double and int data types. Example (requiring four new functions): Kilograms to Pounds (using double) Pounds to Kilograms (using double) Kilograms to Pounds (using int) Pounds to Kilograms (using int) You could use miles to kilometers, etc. Add the factorial function that works by using recursion.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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#include <iostream>
#include <cmath>
 
using namespace std;
 
// declare functions
void display_menu();
void convert_temp();
double to_celsius(double fahrenheit);
double to_fahrenheit(double celsius);
 
int main() {
 
cout << "Convert Temperatures\n\n";
 
    display_menu();
    char again = 'y';
    while (again == 'y') 
    {
        convert_temp();
 
        cout << "Convert another temperature? (y/n): ";
        cin >> again;
        cout << endl;
    }
    cout << "Bye!\n";
}
 
// define functions
void display_menu() 
{
    cout << "MENU\n"
        << "1. Fahrenheit to Celsius\n"
        << "2. Celsius to Fahrenheit\n\n";
}
 
void convert_temp() 
{
    int option;
    cout << "Enter a menu option: ";
    cin >> option;
 
    double f = 0.0;
    double c = 0.0;
    switch (option) 
    {
        case 1:
            cout << "Enter degrees Fahrenheit: ";
            cin >> f;
 
            c = to_celsius(f);
            c = round(c * 10) / 10;        // round to one decimal place
 
            cout << "Degrees Celsius: " << c << endl;
            break;
        case 2:
            cout << "Enter degrees Celsius: ";
            cin >> c;
 
            f = to_fahrenheit(c);
            f = round(f * 10) / 10;       // round to one decimal place  
 
            cout << "Degrees Fahrenheit: " << f << endl;
            break;
        default:
            cout << "You must enter a valid menu number.\n";
            break;
    }
}
 
double to_celsius(double fahrenheit) 
{
    double celsius = (fahrenheit - 32.0) * 5.0 / 9.0;
    return celsius;
}
 
double to_fahrenheit(double celsius) 
{
    double fahrenheit = celsius * 9.0 / 5.0 + 32.0;
    return fahrenheit;
}
 
  • Now, modify it to do the following:
    • Add two more functions to handle another type of conversion (distance, weight, etc.) and use function overloading.
      • Overload the functions with double and int data types.

      • Example (requiring four new functions):
        • Kilograms to Pounds (using double)
        • Pounds to Kilograms (using double)
        • Kilograms to Pounds (using int)
        • Pounds to Kilograms (using int)
      • You could use miles to kilometers, etc.
    • Add the factorial function that works by using recursion.
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