module Day7 where
import System.IO (openFile, IOMode (ReadMode), hClose, hGetContents)
import Data.Text (splitOn, unpack, pack)
import Prelude hiding (splitAt)

splitAt :: String -> String -> [String]
splitAt delimiter str = map unpack $ splitOn (pack delimiter) $ pack str

fuel :: Int -> Int -> Int
fuel to from = abs $ from - to

main :: IO ()
main = do
    input <- openFile "inputs/7.txt" ReadMode
    contents <- hGetContents input

    let crabby = map read $ splitAt "," contents :: [Int]

    print $ minimum [ sum $ map (fuel i) crabby | i <- [minimum crabby .. maximum crabby] ]

    hClose input