Mercurial > repos > other > adventofcode2023
view day2.rb @ 9:9ec95ff0d33d
Add Day 7 solutions with string sorting
Each hand gets a score based on the ranking, then concats the
card values to get a sortable string for ranking
author | IBBoard <dev@ibboard.co.uk> |
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date | Thu, 07 Dec 2023 21:06:48 +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