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GNU GENERAL PUBLIC LICENSE
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21
day3/app/Main.hs Normal file
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module Main where
import Data.Char (isDigit)
import qualified Data.HashSet as HashSet
import Data.List.Split (splitOn)
getSeparators :: String -> [Char]
getSeparators = filter checkSeparator
checkSeparator :: Char -> Bool
checkSeparator c = not (isDigit c) && (c /= '.')
main :: IO ()
main = do
content <- readFile "sample.txt"
let fileContent = (concat . lines) content
let symbols = (HashSet.fromList . getSeparators) fileContent
let test = (filter (/= "") . splitOn ".") fileContent
print symbols
print test
putStrLn "Hello, Haskell!"

77
day3/day3.cabal Normal file
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cabal-version: 3.4
-- The cabal-version field refers to the version of the .cabal specification,
-- and can be different from the cabal-install (the tool) version and the
-- Cabal (the library) version you are using. As such, the Cabal (the library)
-- version used must be equal or greater than the version stated in this field.
-- Starting from the specification version 2.2, the cabal-version field must be
-- the first thing in the cabal file.
-- Initial package description 'day3' generated by
-- 'cabal init'. For further documentation, see:
-- http://haskell.org/cabal/users-guide/
--
-- The name of the package.
name: day3
-- The package version.
-- See the Haskell package versioning policy (PVP) for standards
-- guiding when and how versions should be incremented.
-- https://pvp.haskell.org
-- PVP summary: +-+------- breaking API changes
-- | | +----- non-breaking API additions
-- | | | +--- code changes with no API change
version: 0.1.0.0
-- A short (one-line) description of the package.
-- synopsis:
-- A longer description of the package.
-- description:
-- The license under which the package is released.
license: GPL-3.0-or-later
-- The file containing the license text.
license-file: LICENSE
-- The package author(s).
author: Pcornat
-- An email address to which users can send suggestions, bug reports, and patches.
maintainer: pcornat@protonmail.com
-- A copyright notice.
-- copyright:
category: Development
build-type: Simple
-- Extra doc files to be distributed with the package, such as a CHANGELOG or a README.
extra-doc-files: CHANGELOG.md
-- Extra source files to be distributed with the package, such as examples, or a tutorial module.
-- extra-source-files:
common warnings
ghc-options: -Wall
executable day3
-- Import common warning flags.
import: warnings
-- .hs or .lhs file containing the Main module.
main-is: Main.hs
-- Modules included in this executable, other than Main.
-- other-modules:
-- LANGUAGE extensions used by modules in this package.
-- other-extensions:
-- Other library packages from which modules are imported.
build-depends: base ^>=4.17.2.1, split, unordered-containers
-- Directories containing source files.
hs-source-dirs: app
-- Base language which the package is written in.
default-language: Haskell2010

140
day3/input.txt Normal file
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10
day3/sample.txt Normal file
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467..114..
...*......
..35..633.
......#...
617*......
.....+.58.
..592.....
......755.
...$.*....
.664.598..