class RomanConvertor::Convertor
Your code goes hereā¦
Constants
- HASH_ROMAN
Public Class Methods
roman_to_decimal(number)
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# File lib/roman_convertor.rb, line 8 def self.roman_to_decimal(number) roman_number = number.split("") if (roman_number- HASH_ROMAN.keys) == [] temp_array = [] extra_index =[] sum = 0 roman_number.each_with_index do |k,v| if !extra_index.include?(v) if (v < roman_number.length-1 ) and c = roman_number[v]+roman_number[v+1] and HASH_ROMAN[c] != nil temp_array << c extra_index << v+1 else temp_array << roman_number[v] end end end temp_array.each do |k| sum = sum+HASH_ROMAN[k] end else sum = "Invalid Roman Number" end return sum end