IntegerToRoman.cpp

#include <iostream>
  
using namespace std; 

    string integer_to_Roman(int n) {

        string str_romans[] = {"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"};
        int values[] = {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};

        string result = "";

        for (auto int i = 0; i < 13; ++i)
        {
            while(n - values[i] >= 0)
            {
                result += str_romans[i];
                n -= values[i];
            }
        }

        return result;
    }

  
int main()  
{  
    int n = 7;
	cout << "Integer " << n << " : Roman " << integer_to_Roman(7) << endl;
	n = 19;
	cout << "Integer " << n << " : Roman " << integer_to_Roman(19) << endl;
	n = 789;
	cout << "Integer " << n << " : Roman " << integer_to_Roman(789) << endl;
	n = 1099;
	cout << "Integer " << n << " : Roman " << integer_to_Roman(1099) << endl;
	n = 23456;
	cout << "Integer " << n << " : Roman " << integer_to_Roman(23456) << endl;			
    return 0;  
}