#ifndef ROMAN_NUMERALH
#define ROMAN_NUMERALH
#include <iterator>   //for ostream_iterator
#include <algorithm>  //for fill_n
using namespace std;

class roman_numeral {
	int i;
public:
	roman_numeral(int initial_i): i(initial_i) {}

	friend ostream& operator<<(ostream& ost, const roman_numeral& n) {
		fill_n(ostream_iterator<char>(ost), n.i, 'I');   //simplified
		return ost;
	}
};
#endif