From ff1b31bb7b09c4ac1b485942698747b03bd9d9e3 Mon Sep 17 00:00:00 2001 From: Neil Smith Date: Mon, 1 Jan 2018 16:06:01 +0000 Subject: [PATCH] Done Infi puzzle --- advent-of-code.cabal | 8 + data/infi.txt | 1 + problems/infi-en.txt | 29 +++ problems/infi.html | 316 +++++++++++++++++++++++++++++++ src/Untitled.ipynb | 267 +++++++++++++++++++++++++++ src/infi/infi.hs | 78 ++++++++ src/infi/infi.ipynb | 429 +++++++++++++++++++++++++++++++++++++++++++ 7 files changed, 1128 insertions(+) create mode 100644 data/infi.txt create mode 100644 problems/infi-en.txt create mode 100644 problems/infi.html create mode 100644 src/Untitled.ipynb create mode 100644 src/infi/infi.hs create mode 100644 src/infi/infi.ipynb diff --git a/advent-of-code.cabal b/advent-of-code.cabal index 059296b..ac7ee73 100644 --- a/advent-of-code.cabal +++ b/advent-of-code.cabal @@ -291,3 +291,11 @@ executable advent25 , mtl , text , megaparsec + +executable infi + hs-source-dirs: src/infi + main-is: infi.hs + default-language: Haskell2010 + build-depends: base >= 4.7 && < 5 + , text + , megaparsec \ No newline at end of file diff --git a/data/infi.txt b/data/infi.txt new file mode 100644 index 0000000..94da91e --- /dev/null +++ b/data/infi.txt @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/problems/infi-en.txt b/problems/infi-en.txt new file mode 100644 index 0000000..1c61790 --- /dev/null +++ b/problems/infi-en.txt @@ -0,0 +1,29 @@ +At Infi we do not like repetitive work and so we are trying to automate some time-consuming tasks this year. For the distribution of the Christmas gifts we have therefore built delivery robots, so that we can fully focus on code committing and visiting Christmas drinks. + +Unfortunately, we are only on release 0.9, because we found out that sometimes several robots can end up in the same place and that is of course not efficient. We have to solve this quickly by determining how often this situation occurs, because it is almost the 25th! Do you help? + +To assist with debugging, we have made some logs available. These are stored in the following format: + +[sx1, sy1] [sx2, sy2] (x1, y1) (x2, y2) (x1, y1) +First you will find the start positions of the robots between the hooks. Note: scalability is important, so the number of robots is variable! The log then contains the movements performed by the robots in the same order as the robots are defined. + +Example: + +[0,0] [1,1] (1,0) (0, -1) (0,1) (- 1,0) (- 1,0) (0,1) (0, -1) ( 1.0) +Robot 1 starts at 0.0 and Robot 2 starts at 1.1 +Robot 1 goes to 1.0 (0.0 + 1.0) +Robot 2 goes to 1.0 (1.1 + 0, -1) +Two robots in the same place. That is not good. +Robot 1 goes to 1.1 (1.0 + 0.1) +Robot 2 goes to 0.0 (1.0 + -1.0) +Robot 1 goes to 0.1 (1.1 + -1.0) +Robot 2 goes to 0.1 (0,0 + 0,1) +Another two robots in the same place. +Robot 1 goes to 0.0 (0.1 + 0, -1) +Robot 2 goes to 1.1 (0.1 + 1.0) +Can you calculate how often all robots at the same location for the next log file? + + + +This is very strange: during the cutting through of the logs we discovered a strange pattern in the movements of the robots. It seems that the robots are smarter than we thought and that they made a pattern during their work that we had not noticed before. This could be the AI we've been looking for: can you find the secret message? + diff --git a/problems/infi.html b/problems/infi.html new file mode 100644 index 0000000..aea5106 --- /dev/null +++ b/problems/infi.html @@ -0,0 +1,316 @@ + + + + + + + + + Infi.nl - Advent of Code + + + + + + + + + +
+ + Het logo van Infi + + +

Welkom bij de Advent of Code puzzel van Infi!

+ +

+ Robots will eat your job! +

+

+ Bij Infi houden wij niet van repetitief werk en dus proberen we dit jaar wat tijdrovende taken te automatiseren. Voor het uitdelen van de kerstcadeaus hebben wij daarom bezorgrobots gebouwd, zodat wij ons volledig kunnen richten op code committen en kerstborrels bezoeken. +

+

+ Helaas zitten we pas op release 0.9, want we kwamen er achter dat soms meerdere robots op dezelfde plek uit kunnen komen en dat is natuurlijk niet efficiënt. We moeten dit snel oplossen door te bepalen hoe vaak deze situatie voorkomt, want het is al bijna de 25ste! Help jij mee? +

+

+ Om te helpen met debuggen hebben we enkele logs beschikbaar gemaakt. Deze zijn in het volgende formaat opgeslagen: +

+ 
[sx1,sy1][sx2,sy2](x1,y1)(x2,y2)(x1,y1)
+

+ Eerst vind je tussen de blokhaken de startposities van de robots. Let op: schaalbaarheid is belangrijk, dus het aantal robots is variabel! Vervolgens bevat het log de bewegingen die door de robots uitgevoerd zijn, in dezelfde volgorde als dat de robots zijn gedefinieerd. +

+ +

Voorbeeld:

+ 
[0,0][1,1](1,0)(0,-1)(0,1)(-1,0)(-1,0)(0,1)(0,-1)(1,0)
+
    +
  1. Robot 1 begint op 0,0 en Robot 2 begint op 1,1
    2. +
  2. Robot 1 gaat naar 1,0 (0,0 + 1,0)
    3. +
  3. Robot 2 gaat naar 1,0 (1,1 + 0,-1)
    4. +
  4. Twee robots op dezelfde plek. Dat is niet goed.
    5. +
  5. Robot 1 gaat naar 1,1 (1,0 + 0,1)
    6. +
  6. Robot 2 gaat naar 0,0 (1,0 + -1,0)
    7. +
  7. Robot 1 gaat naar 0,1 (1,1 + -1,0)
    8. +
  8. Robot 2 gaat naar 0,1 (0,0 + 0,1)
    9. +
  9. Weer twee robots op dezelfde plek.
    10. +
  10. Robot 1 gaat naar 0,0 (0,1 + 0,-1)
    11. +
  11. Robot 2 gaat naar 1,1 (0,1 + 1,0)
    12. +
+ +

+ Kun jij uitrekenen hoe vaak alle robots tegelijk op dezelfde plek uitkomen voor het volgende logbestand? +

+ + Klik hier om de log te bekijken + +
+ + +
+ +
+ Kom bij ons werken! + Bezoek onze coole website +
+
+ +
+ + Het logo van Infi + + +

Breaking news: we zien een patroon!

+ +

+ Dit is heel gek: tijdens het doorspitten van de logs ontdekten we een vreemd patroon in de bewegingen van de robots. Het lijkt erop dat de robots slimmer zijn dan we dachten en dat ze tijdens hun werkzaamheden een patroon hebben gemaakt dat ons niet eerder was opgevallen. This could be the AI we’ve been looking for: kun jij het geheime bericht vinden? +

+ + Klik hier om de log te bekijken + +
+ + +
+ +
+ Kom bij ons werken! + Bezoek onze coole website +
+
+ +
+ + Het logo van Infi + + +

Eureka!

+ +

+ Met jouw hulp hebben we onze robots kunnen optimaliseren! Als je het onderstaande formulier invult en je bij de eerste 5 zit, dan belonen wij jou met een cool t-shirt! +

+ + Klik hier om ons jouw oplossing te sturen + +
+ Kom bij ons werken! + Bezoek onze coole website +
+
+ + + + + + + + diff --git a/src/Untitled.ipynb b/src/Untitled.ipynb new file mode 100644 index 0000000..79c7478 --- /dev/null +++ b/src/Untitled.ipynb @@ -0,0 +1,267 @@ +{ + "cells": [ + { + "cell_type": "code", + "execution_count": 1, + "metadata": {}, + "outputs": [], + "source": [ + "import Control.Monad (guard, mfilter)\n", + "import Control.Monad.Trans.State\n", + "import Data.List (foldl', delete)" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": {}, + "outputs": [], + "source": [ + "select :: [a] -> [(a, [a])]\n", + "select [] = []\n", + "select (x:xs) = (x,xs) : [(y,x:ys) | (y,ys) <- select xs]" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": {}, + "outputs": [], + "source": [ + "selectThis :: (Eq a) => a -> [a] -> [((), [a])]\n", + "selectThis x xs \n", + " | x `elem` xs = [((), delete x xs)] \n", + " | otherwise = []" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": {}, + "outputs": [], + "source": [ + "asNumber :: [Int] -> Int\n", + "asNumber = foldl' (\\t o -> t*10 + o) 0" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": {}, + "outputs": [], + "source": [ + "main :: IO ()\n", + "main = print . flip evalStateT [0..9] $ do\n", + " s <- StateT select\n", + " e <- StateT select\n", + " n <- StateT select\n", + " d <- StateT select\n", + " m <- StateT select\n", + " o <- StateT select\n", + " r <- StateT select\n", + " y <- StateT select\n", + " guard $ s /= 0 && m /= 0\n", + " let send = asNumber [s,e,n,d]\n", + " more = asNumber [m,o,r,e]\n", + " money = asNumber [m,o,n,e,y]\n", + " guard $ send + more == money\n", + " return (send, more, money)" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "[(9567,1085,10652)]" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "main" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "metadata": {}, + "outputs": [], + "source": [ + "-- a b c\n", + "-- d e f g\n", + "-- h i j k l\n", + "-- m n o p\n", + "-- q r s" + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "metadata": {}, + "outputs": [], + "source": [ + "main1 :: IO ()\n", + "main1 = print . flip evalStateT [1..19] $ do\n", + " a <- StateT select\n", + " b <- StateT select\n", + " c <- StateT select\n", + " guard $ c > a\n", + " let rowSum = a + b + c\n", + " \n", + " d <- StateT select\n", + " e <- StateT select\n", + " f <- StateT select\n", + " g <- StateT select\n", + " guard $ d + e + f + g == rowSum\n", + " \n", + " h <- StateT select\n", + " guard $ h > a\n", + " guard $ h < c\n", + " i <- StateT select\n", + " j <- StateT select\n", + " k <- StateT select\n", + " l <- StateT select\n", + " guard $ l > a\n", + " guard $ h + i + j + k + l == rowSum\n", + " guard $ a + d + h == rowSum\n", + " guard $ c + g + l == rowSum\n", + " \n", + " m <- StateT select\n", + " n <- StateT select\n", + " o <- StateT select\n", + " p <- StateT select\n", + " guard $ m + n + o + p == rowSum\n", + " guard $ b + e + i + m == rowSum\n", + " guard $ b + f + k + p == rowSum\n", + " \n", + " q <- StateT select\n", + " r <- StateT select\n", + " s <- StateT select\n", + " guard $ q > a\n", + " guard $ s > a\n", + " guard $ c + f + j + n + q == rowSum\n", + " guard $ a + e + j + o + s == rowSum\n", + " guard $ g + k + o + r == rowSum\n", + " guard $ d + i + n + r == rowSum\n", + " guard $ h + m + q == rowSum\n", + " guard $ l + p + s == rowSum\n", + " guard $ q + r + s == rowSum\n", + " \n", + " return [a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s]" + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "metadata": {}, + "outputs": [], + "source": [ + "main2 :: IO ()\n", + "main2 = print . flip evalStateT [1..19] $ do\n", + " a <- StateT select\n", + " b <- StateT select\n", + " c <- StateT select\n", + " guard $ c > a\n", + " let rowSum = a + b + c\n", + " \n", + " d <- StateT select\n", + " e <- StateT select\n", + " f <- StateT select\n", + " let g = rowSum - (d + e + f)\n", + " StateT (selectThis g)\n", + " \n", + " let h = rowSum - (a + d)\n", + " guard $ h > a\n", + " guard $ h < c\n", + " StateT (selectThis h)\n", + " let l = rowSum - (c + g)\n", + " guard $ l > a\n", + " StateT (selectThis l)\n", + " i <- StateT select\n", + " j <- StateT select\n", + " k <- StateT select\n", + " guard $ h + i + j + k + l == rowSum\n", + "\n", + " let m = rowSum - (b + e + i)\n", + " StateT (selectThis m)\n", + " n <- StateT select\n", + " o <- StateT select\n", + " let p = rowSum - (b + f + k)\n", + " guard $ m + n + o + p == rowSum\n", + " StateT (selectThis p)\n", + " \n", + " let q = rowSum - (h + m)\n", + " guard $ q > a\n", + " guard $ c + f + j + n + q == rowSum\n", + " StateT (selectThis q)\n", + " let r = rowSum - (g + k + o)\n", + " guard $ d + i + n + r == rowSum\n", + " StateT (selectThis r)\n", + "\n", + " let s = rowSum - (q + r)\n", + " guard $ s > a\n", + " guard $ a + e + j + o + s == rowSum\n", + " guard $ l + p + s == rowSum\n", + " StateT (selectThis s)\n", + " \n", + " return [a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s]" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "metadata": {}, + "outputs": [], + "source": [ + "-- main1" + ] + }, + { + "cell_type": "code", + "execution_count": 11, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "[[3,17,18,19,7,1,11,16,2,5,6,9,12,4,8,14,10,13,15]]" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "main2" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": {}, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Haskell", + "language": "haskell", + "name": "haskell" + }, + "language_info": { + "codemirror_mode": "ihaskell", + "file_extension": ".hs", + "name": "haskell", + "version": "8.0.2" + } + }, + "nbformat": 4, + "nbformat_minor": 2 +} diff --git a/src/infi/infi.hs b/src/infi/infi.hs new file mode 100644 index 0000000..6cbf6e5 --- /dev/null +++ b/src/infi/infi.hs @@ -0,0 +1,78 @@ +import Data.Text (Text) +import qualified Data.Text as T +import qualified Data.Text.IO as TIO + +import Text.Megaparsec hiding (State) +import qualified Text.Megaparsec.Lexer as L +import Text.Megaparsec.Text (Parser) +import qualified Control.Applicative as CA + +import Data.List (nub) + +type Position = (Integer, Integer) + +(+:) (a, b) (c, d) = (a + c, b + d) + + + +main :: IO () +main = do + text <- TIO.readFile "data/infi.txt" + let (starts, unchunkedSteps) = successfulParse text + let steps = chunks (length starts) unchunkedSteps + let points = visited starts steps + print $ part1 points + putStrLn $ part2 points + + +visited :: [Position] -> [[Position]] -> [[Position]] +visited = scanl (zipWith (+:)) + +intersections :: [[Position]] -> [[Position]] +intersections = filter ((== 1) . length . nub) + +part1 :: [[Position]] -> Int +part1 = length . intersections + +part2 :: [[Position]] -> String +part2 points = showPoints bds $ nub $ concat $ intersections points + where bds = bounds $ nub $ concat points + +chunks :: Int -> [b] -> [[b]] +chunks n xs = (take n xs) : if null xs' then [] else chunks n xs' + where xs' = drop n xs + +bounds :: [Position] -> (Integer, Integer, Integer, Integer) +bounds ps = ( minimum $ map fst ps + , maximum $ map fst ps + , minimum $ map snd ps + , maximum $ map snd ps + ) + + +showPoints :: (Integer, Integer, Integer, Integer) -> [Position] -> String +showPoints (minr, maxr, minc, maxc) ps = unlines [ [ if (r, c) `elem` ps then '*' else ' ' | r <- [minr..maxr] ] | c <- [minc..maxc] ] + + +sc :: Parser () +sc = L.space (skipSome spaceChar) CA.empty CA.empty + +lexeme = L.lexeme sc +integer = lexeme L.integer +signedInteger = L.signed sc integer +symbol = L.symbol sc +comma = symbol "," + +pointP :: Parser Position +pointP = (,) <$> signedInteger <* comma <*> signedInteger + +startPosP = between (symbol "[") (symbol "]") pointP +stepP = between (symbol "(") (symbol ")") pointP + +descriptionP = (,) <$> (some startPosP) <*> (some stepP) + +successfulParse :: Text -> ([Position], [Position]) +successfulParse input = + case parse descriptionP "input" input of + Left _error -> ([], []) + Right description -> description diff --git a/src/infi/infi.ipynb b/src/infi/infi.ipynb new file mode 100644 index 0000000..14382fc --- /dev/null +++ b/src/infi/infi.ipynb @@ -0,0 +1,429 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# [Bonus problem from Infi](https://aoc.infi.nl/)" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": {}, + "outputs": [], + "source": [ + "{-# LANGUAGE NegativeLiterals #-}\n", + "{-# LANGUAGE FlexibleContexts #-}\n", + "{-# LANGUAGE OverloadedStrings #-}\n", + "{-# LANGUAGE TypeFamilies #-}" + ] + }, + { + "cell_type": "code", + "execution_count": 95, + "metadata": {}, + "outputs": [], + "source": [ + "-- import Prelude hiding ((++))\n", + "import Data.Text (Text)\n", + "import qualified Data.Text as T\n", + "import qualified Data.Text.IO as TIO\n", + "\n", + "import Text.Megaparsec hiding (State)\n", + "import qualified Text.Megaparsec.Lexer as L\n", + "import Text.Megaparsec.Text (Parser)\n", + "import qualified Control.Applicative as CA\n", + "\n", + "import Data.List (nub, sort)" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": {}, + "outputs": [], + "source": [ + "type Position = (Integer, Integer)" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": {}, + "outputs": [], + "source": [ + "sc :: Parser ()\n", + "sc = L.space (skipSome spaceChar) CA.empty CA.empty\n", + "\n", + "lexeme = L.lexeme sc\n", + "integer = lexeme L.integer\n", + "signedInteger = L.signed sc integer\n", + "symbol = L.symbol sc\n", + "comma = symbol \",\"\n", + "\n", + "pointP :: Parser Position\n", + "pointP = (,) <$> signedInteger <* comma <*> signedInteger\n", + "\n", + "startPosP = between (symbol \"[\") (symbol \"]\") pointP\n", + "stepP = between (symbol \"(\") (symbol \")\") pointP\n", + "\n", + "descriptionP = (,) <$> (some startPosP) <*> (some stepP)\n", + "-- descriptionP = (,) <$> (startPosP `sepBy` space) <*> (stepP `sepBy` space)" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "[(1,2),(3,4)]" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "parseTest (some stepP) \"(1,2)(3,4)\"" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "metadata": {}, + "outputs": [], + "source": [ + "successfulParse :: Text -> ([Position], [Position])\n", + "successfulParse input = \n", + " case parse descriptionP \"input\" input of\n", + " Left _error -> ([], [])\n", + " Right description -> description" + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "([(0,0),(1,1)],[(1,0),(0,-1),(0,1),(-1,0),(-1,0),(0,1),(0,-1),(1,0)])" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "sampleT = T.pack \"[0,0][1,1](1,0)(0,-1)(0,1)(-1,0)(-1,0)(0,1)(0,-1)(1,0)\"\n", + "sample = successfulParse sampleT\n", + "sample" + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "metadata": {}, + "outputs": [], + "source": [ + "chunks :: Int -> [b] -> [[b]]\n", + "chunks n xs = (take n xs) : if null xs' then [] else chunks n xs'\n", + " where xs' = drop n xs" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "[\"abc\",\"def\",\"ghi\",\"jkl\"]" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "chunks 3 \"abcdefghijkl\"" + ] + }, + { + "cell_type": "code", + "execution_count": 11, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "([(0,0),(1,1)],[[(1,0),(0,-1)],[(0,1),(-1,0)],[(-1,0),(0,1)],[(0,-1),(1,0)]])" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "(starts, unchunkedSteps) = successfulParse sampleT\n", + "steps = chunks (length starts) unchunkedSteps\n", + "(starts, steps)" + ] + }, + { + "cell_type": "code", + "execution_count": 15, + "metadata": {}, + "outputs": [], + "source": [ + "(+:) (a, b) (c, d) = (a + c, b + d)" + ] + }, + { + "cell_type": "code", + "execution_count": 23, + "metadata": {}, + "outputs": [], + "source": [ + "-- applySteps = zipWith (+:)" + ] + }, + { + "cell_type": "code", + "execution_count": 22, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "[(1,0),(1,0)]" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "zipWith (+:) starts (head steps)" + ] + }, + { + "cell_type": "code", + "execution_count": 24, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "[[(0,0),(1,1)],[(1,0),(1,0)],[(1,1),(0,0)],[(0,1),(0,1)],[(0,0),(1,1)]]" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "scanl applySteps starts steps" + ] + }, + { + "cell_type": "code", + "execution_count": 32, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "2" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "length $ filter ((1 ==) . length . nub) $ scanl applySteps starts steps" + ] + }, + { + "cell_type": "code", + "execution_count": 63, + "metadata": {}, + "outputs": [], + "source": [ + "visited = scanl (zipWith (+:))" + ] + }, + { + "cell_type": "code", + "execution_count": 64, + "metadata": {}, + "outputs": [], + "source": [ + "intersections = filter ((== 1) . length . nub)" + ] + }, + { + "cell_type": "code", + "execution_count": 65, + "metadata": {}, + "outputs": [], + "source": [ + "part1 = length . intersections" + ] + }, + { + "cell_type": "code", + "execution_count": 78, + "metadata": {}, + "outputs": [], + "source": [ + "bounds ps = ( minimum $ map fst ps\n", + " , maximum $ map fst ps\n", + " , minimum $ map snd ps\n", + " , maximum $ map snd ps\n", + " )" + ] + }, + { + "cell_type": "code", + "execution_count": 118, + "metadata": {}, + "outputs": [], + "source": [ + "showPoints (minr, maxr, minc, maxc) ps = unlines [ [ if (r, c) `elem` ps then '*' else ' ' | r <- [minr..maxr] ] | c <- [minc..maxc] ]" + ] + }, + { + "cell_type": "code", + "execution_count": 127, + "metadata": {}, + "outputs": [], + "source": [ + "main :: IO ()\n", + "main = do \n", + " text <- TIO.readFile \"../../data/infi.txt\"\n", + " let (starts, unchunkedSteps) = successfulParse text\n", + " let steps = chunks (length starts) unchunkedSteps\n", + " let points = visited starts steps\n", + " print $ part1 points\n", + " let bds = bounds $ nub $ concat points\n", + " putStrLn $ showPoints bds $ nub $ concat $ intersections points" + ] + }, + { + "cell_type": "code", + "execution_count": 128, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "535\n", + " ***** *** \n", + " ********** *****\n", + " *********** *****\n", + " ********** *****\n", + " ***** *** \n", + " ***** \n", + " **** \n", + " ** ******** **** \n", + "**** ************** *******************\n", + "**** **************** *******************\n", + "**** ****************** *******************\n", + "**** ***** ***** ***** *****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "**** **** **** **** ****\n", + "** ** ** ** ** \n", + " \n", + "***** ***** *** * *** **** *** *** \n", + " * * * * ** * * * * * * *\n", + " ** * *** * * *** **** *** *** \n", + " * * * * ***** * * * * * * * *\n", + "**** * *** * *** *** *** ***" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "main" + ] + }, + { + "cell_type": "code", + "execution_count": 107, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "\" \\n \\n\"" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "showPoints $ nub $ concat $ visited starts steps" + ] + }, + { + "cell_type": "code", + "execution_count": 114, + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "[(0,0),(1,1)]" + ] + }, + "metadata": {}, + "output_type": "display_data" + } + ], + "source": [ + "starts" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": {}, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Haskell", + "language": "haskell", + "name": "haskell" + }, + "language_info": { + "codemirror_mode": "ihaskell", + "file_extension": ".hs", + "name": "haskell", + "version": "8.0.2" + } + }, + "nbformat": 4, + "nbformat_minor": 2 +} -- 2.34.1