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  1.   #include <iostream>
  2. #include <iomanip>  // For fixed and setprecision
  3.  
  4. using namespace std;
  5.  
  6. namespace CelsiusSpace {
  7.     double ConvertToKelvin(double celsius) {
  8.         if (celsius < -273.15) {
  9.             cout << "Error!" << endl;
  10.             return -1;
  11.         }
  12.         return celsius + 273.15;
  13.     }
  14. }
  15.  
  16. namespace FahrenheitSpace {
  17.     double ConvertToKelvin(double fahrenheit) {
  18.         if (fahrenheit < -459.67) {
  19.             cout << "Error!" << endl;
  20.             return -1;
  21.         }
  22.         return (5.0 / 9) * (fahrenheit - 32) + 273.15;
  23.     }
  24. }
  25.  
  26. int main() {
  27.     double tempC, tempF;
  28.  
  29.  
  30.  
  31.     cout<< "Input:" << endl;
  32.     cout << "Enter temperature in Celsius: ";
  33.     cin >> tempC;
  34.  
  35.     cout << "Enter temperature in Fahrenheit: ";
  36.     cin >> tempF;
  37.  
  38.     double kelvinFromCelsius = CelsiusSpace::ConvertToKelvin(tempC);
  39.     double kelvinFromFahrenheit = FahrenheitSpace::ConvertToKelvin(tempF);
  40.     cout<< "Output:" << endl;
  41.     // Handle invalid temperatures
  42.     if (kelvinFromCelsius < 0 || kelvinFromFahrenheit < 0) {
  43.         cout << "Invalid input detected. Exiting program." << endl;
  44.         return 1;
  45.     }
  46.  
  47.     cout << fixed << setprecision(2);
  48.     cout << "\nTemperature in Kelvin from Celsius input: " << kelvinFromCelsius << " K" << endl;
  49.     cout << "Temperature in Kelvin from Fahrenheit input: " << kelvinFromFahrenheit << " K" << endl;
  50.  
  51.     if (kelvinFromCelsius > kelvinFromFahrenheit) {
  52.         cout << "The Celsius temperature is hotter in Kelvin scale." << endl;
  53.     } else if (kelvinFromFahrenheit > kelvinFromCelsius) {
  54.         cout << "The Fahrenheit temperature is hotter in Kelvin scale." << endl;
  55.     } else {
  56.         cout << "Both temperatures are equal in Kelvin." << endl;
  57.     }
  58.  
  59.     return 0;
  60. }
  61.  
Success #stdin #stdout 0.01s 5304KB
comments (?)
stdin 
Standard input is empty
stdout 
Input:
Enter temperature in Celsius: Enter temperature in Fahrenheit: Output:

Temperature in Kelvin from Celsius input: 273.15 K
Temperature in Kelvin from Fahrenheit input: 255.37 K
The Celsius temperature is hotter in Kelvin scale.
https://ideone.com/CvnVnN
from teachers
language:
C++ (gcc 8.3)
created:
11 hours ago
visibility:
public

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