[НП] - Римски броеви

import java.util.Scanner;
import java.util.stream.IntStream;

public class RomanConverterTest {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        IntStream.range(0, n)
                .forEach(x -> System.out.println(RomanConverter.toRoman(scanner.nextInt())));
        scanner.close();
    }
}


class RomanConverter {
    /**
     * Roman to decimal converter
     *
     * @param n number in decimal format
     * @return string representation of the number in Roman numeral
     */
    public static String toRoman(int n) {
        // your solution here

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

        String r = new String();

        int brojac = 0;

        for (int i = 0; i < number.length; i++) {

            brojac=n/number[i];
            n=n-brojac*number[i];

            while (brojac != 0) {
                r += romanNumber[i];
                brojac--;
            }

        }
        return r;
    }

}