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  1. //Zachary Abdollahi             CS1A                       Chapter 4, P. 220, #2
  2. //
  3. /*******************************************************************************
  4.  * 
  5.  * CONVERT NUMBERS TO ROMAN NUMERALS
  6.  * 
  7.  *______________________________________________________________________________
  8.  * This program asks the user to enter a number from 1 to 10 and uses a switch
  9.  * statement to display the Roman numeral version of that number. Input is
  10.  * validated so numbers less than 1 or greater than 10 are not accepted.
  11.  * 
  12.  * INPUT
  13.  *	 number		: Number entered by user (1-10)
  14.  * 
  15.  * OUTPUT
  16.  *	 Roman numeral equivalent of number, printed to screen
  17.  * 
  18.  ******************************************************************************/
  19.  #include <iostream>
  20.  using namespace std;
  21.  int main()
  22.  {
  23.  	int number;		//INPUT	- Number entered by user (1-10)
  24.  
  25.  	// Get input from the user, with validation
  26.  	cout << "Enter a number from 1 to 10: ";
  27.  	cin >> number;
  28.  
  29.  	while (number < 1 || number > 10)
  30.  	{
  31.  		cout << "Invalid number. Please enter a number from 1 to 10: ";
  32.  		cin >> number;
  33.  	}
  34.  
  35.  	// Use a switch statement to display the Roman numeral
  36.  	switch (number)
  37.  	{
  38.  		case 1:
  39.  			cout << "The Roman numeral is I " << endl;
  40.  			break;
  41.  		case 2:
  42.  			cout << "The Roman numeral is II" << endl;
  43.  			break;
  44.  		case 3:
  45.  			cout << "The Roman numeral is III" << endl;
  46.  			break;
  47.  		case 4:
  48.  			cout << "The Roman numeral is IV" << endl;
  49.  			break;
  50.  		case 5:
  51.  			cout << "The Roman numeral is V" << endl;
  52.  			break;
  53.  		case 6:
  54.  			cout << "The Roman numeral is VI" << endl;
  55.  			break;
  56.  		case 7:
  57.  			cout << "The Roman numeral is VII" << endl;
  58.  			break;
  59.  		case 8:
  60.  			cout << "The Roman numeral is VIII" << endl;
  61.  			break;
  62.  		case 9:
  63.  			cout << "The Roman numeral is IX" << endl;
  64.  			break;
  65.  		case 10:
  66.  			cout << "The Roman numeral is X" << endl;
  67.  			break;
  68.  	}
  69.  
  70.  	return 0;
  71.  }
Success #stdin #stdout 0.01s 5320KB
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Enter a number from 1 to 10: The Roman numeral is VI
https://ideone.com/Iwck2l
language:
C++ (gcc 8.3)
created:
16 hours ago
visibility:
public

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