logan_2023/day2/d2p2.lua

--@name aoc2023d2p2
--@author logan2611
--@client

games = string.explode("\n", string.trim(file.read("aoc2023d2input.txt")))

sum = 0

for i, v in ipairs(games) do
    local curGame = string.gsub(string.trim(v),"^Game .*: ","")
    
    local min = {
        red = 0,
        green = 0,
        blue = 0
    }
    
    local pulls = string.explode("; ", string.trim(curGame))
    for _, pull in ipairs(pulls) do
        local blocks = string.explode(", ", string.trim(pull))
        for _, block in ipairs(blocks) do
            local block_ = string.explode(" ", block)
            local num = tonumber(block_[1])
            local color = block_[2]
            
            if min[color] < num then
                min[color] = num
            end
        end
    end
    
    local pow = min["red"] * min["green"] * min["blue"]
    sum = sum + pow
end

print(sum)