Mercurial > repos > other > adventofcode2023
view day2.rb @ 31:47dc75915e91
Implement falling/destroying blocks
Implemented part 1 with supports/supported by logic.
Implemented part 2 with cascades and summing counts. Code has
caching so it is quick _but_ it gives an answer that's too low.
author | IBBoard <dev@ibboard.co.uk> |
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date | Wed, 03 Jan 2024 17:00:56 +0000 |
parents | 49dd1ae93696 |
children |
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#! /usr/bin/env ruby if ARGV.length != 4 abort("Incorrect arguments - needs numbers for Red, Green and Blue then input file") elsif not File.exist? (ARGV[3]) abort("File #{ARGV[3]} did not exist") end max_colours = { "red" => ARGV[0].to_i, "green" => ARGV[1].to_i, "blue" => ARGV[2].to_i } file = ARGV[3] sum = 0 File.open(file, "r").each_line do |line| game, all_picks = line.split(":") all_valid = all_picks.split(";").all? do |pick| pick.split(",").all? do |colour_pick| num_picked, colour_picked = colour_pick.strip.split(" ") # The last line of a Ruby block is the return value num_picked.to_i <= max_colours[colour_picked] end end if all_valid puts game sum += game.split(" ")[1].to_i end end puts sum