run.hs

{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE TypeApplications #-}
import AoC
import AoC.Grid

import Data.Bits (xor)
import Data.Ord (comparing)
import Data.Bifunctor
import Data.Maybe
import Data.List
import Data.HashMap.Strict (HashMap)
import qualified Data.HashMap.Strict as HashMap
import Data.Sequence (Seq)
import qualified Data.Sequence as Seq
import Data.Set (Set)
import qualified Data.Set as Set
import Data.IntSet (IntSet)
import qualified Data.IntSet as IntSet

parseAll = map (read @Int)  . lines

part1 input = length
              . filter id
              $ zipWith (<) input (drop 1 input)
part2 input = length
              . filter id
              $ zipWith (<) input (drop 4 input)

main = main' "input.txt"
exampleMain = main' "example.txt"

main' file = do
   input <- parseAll <$> readFile file
   print (part1 input)
   print (part2 input)