1. <code type=cpp>
  2. #include
  3.  
  4. double C_to_F(double);
  5. int main()
  6. {
  7. using namespace std;
  8. cout << "Enter a temperature in Celsius: ";
  9. double C;
  10. cin >> C;
  11. double F;
  12. F = C_to_F(C);
  13. cout << C << " degrees Celsius = "
  14. << F << " degrees Fahrenheit\n";
  15.  
  16. return 0;
  17. }
  18.  
  19. double C_to_F(double temp)
  20. {
  21. return 1.8 * temp + 32.0;
  22. }
  23. </code>