AdventOfCode2023/02/main.rb

#!/bin/ruby

content = File.readlines 'input.txt'
sum = 0
gameid = 0
sum2 = 0

content.each do |game|
  #get gameid
  tmp = game[/.*^Game([^:]*)/]
  tmp = tmp.sub("Game ","")
  gameid = tmp.to_i
  
  rounds = game.split(";")
  max_red = 0
  max_green = 0
  max_blue = 0
  for i in 0..rounds.length - 1
        puts "rounds: " + rounds[i].to_s
    colors = rounds[i].split(",")
    for j in 0..colors.length - 1
      if i == 0 and j == 0
        colors[0] = colors[0].split(":")[1]
      end
      #puts "colors: " + colors.to_s
      parts = colors[j].split(" ")
      #parts = ["",""]
      puts parts[1]
      case parts[1]
      when "blue" 
        if max_blue < parts[0].to_i
          max_blue = parts[0].to_i
        end
        puts max_blue
      when "red" 
        if max_red < parts[0].to_i
          max_red = parts[0].to_i
        end
        puts max_red
      when "green" 
        if max_green < parts[0].to_i
          max_green = parts[0].to_i
        end
        puts max_green
      end
    end
  end
  sum2 += (max_blue * max_red * max_green)
  if max_red <= 12 and max_green <= 13 and max_blue <= 14
    sum += gameid
  end
end 

puts "part1: " + sum.to_s
puts "part2: " + sum2.to_s