79: You are writing a program to convert temperatures between Celsius and Fahrenheit. You need to declare variables to store the input temperature and the converted temperature, as well as an if-else statement to check which conversion to perform based on user input.

 

// You are writing a program to convert temperatures between Celsius and Fahrenheit. You need to declare

// variables to store the input temperature and the converted temperature, as well as an if-else statement

// to check which conversion to perform based on user input.

#include <iostream>

using namespace std;

int main()

{

    double temperature, celcius, fahrenheit;

    char c_or_f;

    cout << "If you want to convert Celcius to Fahrenheit input (Y or y) \nIf you want to convert Fahrenheit to  Celcius input (N or n) \n";

    cin >> c_or_f;

    if (c_or_f == 'Y' || c_or_f == 'y')

    {

        cout << "Enter the temperature in degree Celcius: ";

        cin >> temperature;

        fahrenheit = (temperature * 9 / 5) + 32;

        cout << "Temperature in degree fahrenheit is: " << fahrenheit << " degree fahrenheit" << endl;

    }

    else if (c_or_f == 'N' || c_or_f == 'n')

    {

        cout << "Enter the temperature in degree Fahrenheit: ";

        cin >> temperature;

        celcius = (temperature - 32) * 5 / 9;

        cout << "Temperature in degree celcius is: " << celcius << " degree celcius" << endl;

    }

    else

        cout << "Invalid Input" << endl;

    return 0;

}