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  1. //Max Kichuk			CS1A			Chapter 4, P.220, #2
  2.  
  3. /**********************************************************************
  4.  *
  5.  * ROMAN NUMERAL CONVERTER
  6.  * ____________________________________________________________________
  7.  * This program converts regular numbers into roman numerals. 
  8.  * It only converts numbers between 1-10.
  9.  * ____________________________________________________________________
  10.  * INPUT
  11.  * user_number	: Number being converted to a roman numeral
  12.  *
  13.  **********************************************************************/
  14. #include <iostream>
  15. using namespace std;
  16.  
  17. int main() {
  18. 	int user_number;	// INPUT: Number being converted to a roman numeral
  19.  
  20. 	// Ask the user to enter a number
  21. 	cout << "Enter a number between 1 and 10" << endl;
  22. 	cout << endl;
  23. 	cin >> user_number;
  24.  
  25. 	// Check to see if the number is between 1-10
  26. 	if (user_number >= 1 && user_number <= 10){
  27. 		// Convert number to roman numerals
  28. 		switch(user_number){
  29. 			case 1: cout << "You entered the roman numeral I";
  30. 					break;
  31. 			case 2: cout << "You entered the roman numeral II";
  32. 					break;
  33. 			case 3: cout << "You entered the roman numeral III";
  34. 					break;
  35. 			case 4: cout << "You entered the roman numeral IV";
  36. 					break;
  37. 			case 5: cout << "You entered the roman numeral V";
  38. 					break;
  39. 			case 6: cout << "You entered the roman numeral VI";
  40. 					break;
  41. 			case 7: cout << "You entered the roman numeral VII";
  42. 					break;
  43. 			case 8: cout << "You entered the roman numeral VIII";
  44. 					break;
  45. 			case 9: cout << "You entered the roman numeral IX";
  46. 					break;
  47. 			case 10: cout << "You entered the roman numeral X";
  48. 					break;
  49. 		}
  50. 	}
  51. 	// Check if user entered invalid number
  52. 	else{
  53. 		cout << "You entered an invalid number" << endl;
  54. 		cout << "Your number must be between 1-10";
  55. 	}
  56. 	return 0;
  57. }
Success #stdin #stdout 0.01s 5516KB
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stdin
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Standard input is empty
stdout
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Enter a number between 1 and 10

You entered an invalid number
Your number must be between 1-10
https://ideone.com/vw8xHq
Ch 4, #2
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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