Class: Adder

Inherits:
Object
  • Object
show all
Defined in:
lib/romanumerator.rb

Instance Method Summary collapse

Instance Method Details

#count(input) ⇒ Object 



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# File 'lib/romanumerator.rb', line 2

def count(input)
  # Create a queue from the input string
  numerals = input.upcase.scan /I|V|U|X|L|C|D|M/
  # Sum the values of each element in the queue
  sum = 0
  numerals.each do |number|
    sum += 1 if number == 'I'
    sum += 5 if number == 'V' or number == 'U'
    sum += 10 if number == 'X'
    sum += 50 if number == 'L'
    sum += 100 if number == 'C'
    sum += 500 if number == 'D'
    sum += 1000 if number == 'M'
  end
  sum
end