マルチスケールシミュレーション特論： roman numerals - Qiita

num = ARGV[0] def divide_num(num) ans_list,count = [],0 while num > 0 tmp = num % 10 ans_list.push(tmp * (10 ** count)) num = num / 10 count = count + 1 end return ans_list.reverse end ans_list,count = divide_num(num.to_i),0 def num_to_roman_hundred(num) if num == 900 print "CM" elsif num <= 800 && num >= 500 num = num - 500 if num != 0 print "D" + "C" * (num / 100) else print "D" end elsif num ==