Programming Challenge Chapter 4 – Q #2 Roman Numeral Converter  – Tony Gaddis – Starting Out With C++

Problem: -

Write a program that asks the user to enter a number within the range of 1 through 10. Use a switch statement to display the Roman numeral version of that number. 

Input Validation: Do not accept a number less than 1 or greater than 10.

Solution: -

#include<iostream>

using namespace std;

int main()

{

      //Declare a Variable

      int num;

     

      //Take Input From The User

      cout << "Enter a number which you want to convert in Roman: ";

      cin >> num;

 

      //Use Switch Statement For 1 to 10 Cases

      switch (num)

      {

      case 1:

            cout << "Roman of 1 is: i";

            break;

      case 2:

            cout << "Roman of 2 is: ii";

            break;

      case 3:

            cout << "Roman of 3 is: iii";

            break;

      case 4:

            cout << "Roman of 4 is: iv";

            break;

      case 5:

            cout << "Roman of 5 is: v";

            break;

      case 6:

            cout << "Roman of 6 is: vi";

            break;

      case 7:

            cout << "Roman of 7 is: vii";

            break;

      case 8:

            cout << "Roman of 8 is: viii";

            break;

      case 9:

            cout << "Roman of 9 is: ix";

            break;

      case 10:

            cout << "Roman of 10 is: x";

            break;

      default:  //Use Default For Input Validation

            cout << "Enter number between 1 to 10";

      }

      //Return 0 To The Main Function

      return 0;

}

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