euler22.rb

   1 require 'logger'
   2 $log = Logger.new(STDERR)
   3 $log.level = Logger::WARN
   4
   5 def value_of_char(char)
   6   char.ord - "A".ord + 1
   7 end
   8
   9 def value_of_word(word)
  10   word.scan(/./).map{|c| value_of_char c}.reduce(:+)
  11 end
  12
  13 if __FILE__==$0
  14   total = 0
  15   $names = File.read('euler22-names.txt').strip.slice(1..-2).split('","').sort
  16   $names.each_index do |i|
  17     total += (i + 1) * value_of_word($names[i])
  18   end
  19
  20   puts total
  21 end
  22
  23 $log.close