Sigh

ruby/2025/6/bin/problem

@@ -1,3 +1,5 @@
 #!/usr/bin/env ruby
+require "cephalopod_math"
 
-puts STDIN.read.chomp.split("\n").map(&:split).transpose.map { |p| p[..-2].map(&:to_i).reduce(&(p[-1]).to_sym) }.sum
+cephalopod_math = CephalopodMath.for STDIN.read.chomp
+puts "Part 1: #{cephalopod_math.wide_column_answers.sum}"

ruby/2025/6/lib/cephalopod_math.rb

@@ -0,0 +1,18 @@
+class CephalopodMath
+  attr_reader :worksheet
+  def initialize(worksheet)
+    @worksheet = worksheet
+  end
+
+  def self.for(input)
+    new input
+  end
+
+  def wide_columns
+    worksheet.split("\n").map(&:split).transpose
+  end
+
+  def wide_column_answers
+    wide_columns.map{ |column| column[..-2].map(&:to_i).reduce(&(column[-1]).to_sym) }
+  end
+end