From 828630453167ec09c71ff650e45d5d1afd57a0b8 Mon Sep 17 00:00:00 2001 From: Siphalor Date: Sat, 7 Dec 2024 14:55:33 +0100 Subject: [PATCH] Haskell variant for day seven --- day-07-haskell/.gitignore | 2 + day-07-haskell/Setup.hs | 2 + day-07-haskell/app/Main.hs | 35 ++++++++++++++++ day-07-haskell/day07-haskell.cabal | 53 +++++++++++++++++++++++ day-07-haskell/package.yaml | 47 +++++++++++++++++++++ day-07-haskell/src/Common.hs | 3 ++ day-07-haskell/src/Lib.hs | 6 +++ day-07-haskell/src/Task1.hs | 20 +++++++++ day-07-haskell/src/Task2.hs | 34 +++++++++++++++ day-07-haskell/stack.yaml | 67 ++++++++++++++++++++++++++++++ day-07-haskell/stack.yaml.lock | 13 ++++++ day-07-haskell/test/Spec.hs | 2 + 12 files changed, 284 insertions(+) create mode 100644 day-07-haskell/.gitignore create mode 100644 day-07-haskell/Setup.hs create mode 100644 day-07-haskell/app/Main.hs create mode 100644 day-07-haskell/day07-haskell.cabal create mode 100644 day-07-haskell/package.yaml create mode 100644 day-07-haskell/src/Common.hs create mode 100644 day-07-haskell/src/Lib.hs create mode 100644 day-07-haskell/src/Task1.hs create mode 100644 day-07-haskell/src/Task2.hs create mode 100644 day-07-haskell/stack.yaml create mode 100644 day-07-haskell/stack.yaml.lock create mode 100644 day-07-haskell/test/Spec.hs diff --git a/day-07-haskell/.gitignore b/day-07-haskell/.gitignore new file mode 100644 index 0000000..c368d45 --- /dev/null +++ b/day-07-haskell/.gitignore @@ -0,0 +1,2 @@ +.stack-work/ +*~ \ No newline at end of file diff --git a/day-07-haskell/Setup.hs b/day-07-haskell/Setup.hs new file mode 100644 index 0000000..9a994af --- /dev/null +++ b/day-07-haskell/Setup.hs @@ -0,0 +1,2 @@ +import Distribution.Simple +main = defaultMain diff --git a/day-07-haskell/app/Main.hs b/day-07-haskell/app/Main.hs new file mode 100644 index 0000000..24e8938 --- /dev/null +++ b/day-07-haskell/app/Main.hs @@ -0,0 +1,35 @@ +module Main (main) where + +import System.Environment.Blank ( getArgs ) +import Common +import Task1 (task1) +import Task2 (task2) + +main :: IO () +main = do + args <- getArgs + case args of + ["1", file] -> do + equations <- readEquationsFromFile file + print $ task1 equations + ["2", file] -> do + equations <- readEquationsFromFile file + print $ task2 equations + _ -> error "Usage: <1|2> " + +readEquationsFromFile :: String -> IO [Equation] +readEquationsFromFile file = do + content <- readFile file + return $ map parseLine $ lines content + +parseLine :: String -> Equation +parseLine line = fromWords $ words line + where + fromWords :: [String] -> Equation + fromWords (firstWord:args) = (read $ reverse $ dropFirst $ reverse firstWord, map read args) + where + dropFirst :: String -> String + dropFirst (_:xs) = xs + dropFirst x = x + fromWords parts = error $ "Illegal line: " ++ unwords parts + diff --git a/day-07-haskell/day07-haskell.cabal b/day-07-haskell/day07-haskell.cabal new file mode 100644 index 0000000..583f130 --- /dev/null +++ b/day-07-haskell/day07-haskell.cabal @@ -0,0 +1,53 @@ +cabal-version: 2.2 + +-- This file has been generated from package.yaml by hpack version 0.37.0. +-- +-- see: https://github.com/sol/hpack + +name: day07-haskell +version: 0.1.0.0 +homepage: https://github.com/githubuser/day07-haskell#readme +bug-reports: https://github.com/githubuser/day07-haskell/issues +author: Author name here +maintainer: example@example.com +copyright: 2024 Author name here +license: BSD-3-Clause +build-type: Simple + +source-repository head + type: git + location: https://github.com/githubuser/day07-haskell + +library + exposed-modules: + Common + Lib + Task1 + Task2 + hs-source-dirs: + src + ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints + build-depends: + base >=4.7 && <5 + default-language: Haskell2010 + +executable day07-haskell-exe + main-is: Main.hs + hs-source-dirs: + app + ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N + build-depends: + base >=4.7 && <5 + , day07-haskell + default-language: Haskell2010 + +test-suite day07-haskell-test + type: exitcode-stdio-1.0 + main-is: Spec.hs + hs-source-dirs: + test + ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N + build-depends: + base >=4.7 && <5 + , day07-haskell + default-language: Haskell2010 diff --git a/day-07-haskell/package.yaml b/day-07-haskell/package.yaml new file mode 100644 index 0000000..7d5f3c4 --- /dev/null +++ b/day-07-haskell/package.yaml @@ -0,0 +1,47 @@ +name: day07-haskell +version: 0.1.0.0 +github: "githubuser/day07-haskell" +license: BSD-3-Clause +author: "Author name here" +maintainer: "example@example.com" +copyright: "2024 Author name here" +spec-version: 0.36.0 + +dependencies: +- base >= 4.7 && < 5 + +ghc-options: +- -Wall +- -Wcompat +- -Widentities +- -Wincomplete-record-updates +- -Wincomplete-uni-patterns +- -Wmissing-export-lists +- -Wmissing-home-modules +- -Wpartial-fields +- -Wredundant-constraints + +library: + source-dirs: src + +executables: + day07-haskell-exe: + main: Main.hs + source-dirs: app + ghc-options: + - -threaded + - -rtsopts + - -with-rtsopts=-N + dependencies: + - day07-haskell + +tests: + day07-haskell-test: + main: Spec.hs + source-dirs: test + ghc-options: + - -threaded + - -rtsopts + - -with-rtsopts=-N + dependencies: + - day07-haskell diff --git a/day-07-haskell/src/Common.hs b/day-07-haskell/src/Common.hs new file mode 100644 index 0000000..fe61a9c --- /dev/null +++ b/day-07-haskell/src/Common.hs @@ -0,0 +1,3 @@ +module Common (Equation) where + +type Equation = (Int, [Int]) diff --git a/day-07-haskell/src/Lib.hs b/day-07-haskell/src/Lib.hs new file mode 100644 index 0000000..d36ff27 --- /dev/null +++ b/day-07-haskell/src/Lib.hs @@ -0,0 +1,6 @@ +module Lib + ( someFunc + ) where + +someFunc :: IO () +someFunc = putStrLn "someFunc" diff --git a/day-07-haskell/src/Task1.hs b/day-07-haskell/src/Task1.hs new file mode 100644 index 0000000..2e924e9 --- /dev/null +++ b/day-07-haskell/src/Task1.hs @@ -0,0 +1,20 @@ +module Task1 (task1) where + +import Common + +task1 :: [Equation] -> Int +task1 equations = sum $ map processEquation equations + +processEquation :: Equation -> Int +processEquation (result, params) = + if brute (reverse params) result + then result + else 0 + where + brute :: [Int] -> Int -> Bool + brute [] _ = False + brute [param] subResult = subResult == param + brute (param:subParams) subResult + | brute subParams $ subResult - param = True + | subResult `mod` param == 0 && brute subParams (subResult `div` param) = True + | otherwise = False diff --git a/day-07-haskell/src/Task2.hs b/day-07-haskell/src/Task2.hs new file mode 100644 index 0000000..24fd4e5 --- /dev/null +++ b/day-07-haskell/src/Task2.hs @@ -0,0 +1,34 @@ +module Task2 (task2, unconcat, unconcatStrings) where + +import Common +import Data.List (isSuffixOf) + +task2 :: [Equation] -> Int +task2 equations = sum $ map processEquation equations + +processEquation :: Equation -> Int +processEquation (result, params) = + if brute (reverse params) result + then result + else 0 + where + brute :: [Int] -> Int -> Bool + brute [] _ = False + brute [param] subResult = subResult == param + brute (param:subParams) subResult + | brute subParams $ subResult - param = True + | subResult `mod` param == 0 && brute subParams (subResult `div` param) = True + | otherwise = case unconcat subResult param of + Nothing -> False + Just rest -> brute subParams rest + +unconcat :: Int -> Int -> Maybe Int +unconcat result suffix = do + rest <- unconcatStrings (show result) (show suffix) + Just $ read rest + +unconcatStrings :: String -> String -> Maybe String +unconcatStrings sResult sSuffix + | sSuffix == sResult = Nothing + | sSuffix `isSuffixOf` sResult = Just $ take ((length sResult) - (length sSuffix)) sResult + | otherwise = Nothing diff --git a/day-07-haskell/stack.yaml b/day-07-haskell/stack.yaml new file mode 100644 index 0000000..d8656a4 --- /dev/null +++ b/day-07-haskell/stack.yaml @@ -0,0 +1,67 @@ +# This file was automatically generated by 'stack init' +# +# Some commonly used options have been documented as comments in this file. +# For advanced use and comprehensive documentation of the format, please see: +# https://docs.haskellstack.org/en/stable/yaml_configuration/ + +# A 'specific' Stackage snapshot or a compiler version. +# A snapshot resolver dictates the compiler version and the set of packages +# to be used for project dependencies. For example: +# +# snapshot: lts-22.28 +# snapshot: nightly-2024-07-05 +# snapshot: ghc-9.6.6 +# +# The location of a snapshot can be provided as a file or url. Stack assumes +# a snapshot provided as a file might change, whereas a url resource does not. +# +# snapshot: ./custom-snapshot.yaml +# snapshot: https://example.com/snapshots/2024-01-01.yaml +snapshot: + url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/43.yaml + +# User packages to be built. +# Various formats can be used as shown in the example below. +# +# packages: +# - some-directory +# - https://example.com/foo/bar/baz-0.0.2.tar.gz +# subdirs: +# - auto-update +# - wai +packages: +- . +# Dependency packages to be pulled from upstream that are not in the snapshot. +# These entries can reference officially published versions as well as +# forks / in-progress versions pinned to a git hash. For example: +# +# extra-deps: +# - acme-missiles-0.3 +# - git: https://github.com/commercialhaskell/stack.git +# commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a +# +# extra-deps: [] + +# Override default flag values for project packages and extra-deps +# flags: {} + +# Extra package databases containing global packages +# extra-package-dbs: [] + +# Control whether we use the GHC we find on the path +# system-ghc: true +# +# Require a specific version of Stack, using version ranges +# require-stack-version: -any # Default +# require-stack-version: ">=3.1" +# +# Override the architecture used by Stack, especially useful on Windows +# arch: i386 +# arch: x86_64 +# +# Extra directories used by Stack for building +# extra-include-dirs: [/path/to/dir] +# extra-lib-dirs: [/path/to/dir] +# +# Allow a newer minor version of GHC than the snapshot specifies +# compiler-check: newer-minor diff --git a/day-07-haskell/stack.yaml.lock b/day-07-haskell/stack.yaml.lock new file mode 100644 index 0000000..e542442 --- /dev/null +++ b/day-07-haskell/stack.yaml.lock @@ -0,0 +1,13 @@ +# This file was autogenerated by Stack. +# You should not edit this file by hand. +# For more information, please see the documentation at: +# https://docs.haskellstack.org/en/stable/lock_files + +packages: [] +snapshots: +- completed: + sha256: 08bd13ce621b41a8f5e51456b38d5b46d7783ce114a50ab604d6bbab0d002146 + size: 720271 + url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/43.yaml + original: + url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/22/43.yaml diff --git a/day-07-haskell/test/Spec.hs b/day-07-haskell/test/Spec.hs new file mode 100644 index 0000000..cd4753f --- /dev/null +++ b/day-07-haskell/test/Spec.hs @@ -0,0 +1,2 @@ +main :: IO () +main = putStrLn "Test suite not yet implemented"