Day 6!

2022/aoc2022.cabal

@@ -1,22 +1,12 @@
 cabal-version:      2.4
 name:               aoc2022
 version:            0.1.0.0
-
--- A short (one-line) description of the package.
--- synopsis:
-
--- A longer description of the package.
--- description:
-
--- A URL where users can report bugs.
--- bug-reports:
-
 author:             Steph
 maintainer:         noreply+steph@code.steph.tools
 
 executable aoc2022
     main-is:          Main.hs
-    build-depends:    base ^>=4.16.3.0, split ^>=0.2.3.5, regex-tdfa ^>=1.3.2, containers ^>=0.6.6
+    build-depends:    base ^>=4.16.2.0, split ^>=0.2.3.5, regex-tdfa ^>=1.3.2, containers ^>=0.6.6
     hs-source-dirs:   app
     default-language: Haskell2010
-    other-modules:    Day1.Main Day2.Main Day3.Main Day4.Main Day5.Main
+    other-modules:    Day1.Main Day2.Main Day3.Main Day4.Main Day5.Main Day6.Main

2022/app/Day4/Main.hs

@@ -1,4 +1,4 @@
-module Day4.Main where
+module Day4.Main (main) where
 
 import System.IO
 import Data.List.Split

2022/app/Day5/Main.hs

@@ -1,4 +1,4 @@
-module Day5.Main where
+module Day5.Main (main) where
 
 import System.IO
 import Data.List

2022/app/Day6/Main.hs

@@ -0,0 +1,35 @@
+module Day6.Main (main) where
+
+import System.IO
+import Data.List
+
+main :: IO ()
+main = do
+    putStrLn "Day 6"
+    
+    handle <- openFile "app/Day6/input" ReadMode
+    contents <- hGetContents handle
+
+    let r1 = part1 contents
+    putStrLn $ "part 1: " ++ show r1
+
+    let r2 = part2 contents
+    putStrLn $ "part 2: " ++ show r2
+
+distinct xs = length (nub xs) == length xs
+
+part1 :: String -> Int
+part1 contents = go contents 0
+    where
+        go []           _ = 0
+        go (a:b:c:d:es) n | distinct [a,b,c,d] = n + 4
+        go (a:es)       n = go es (n + 1)
+
+part2 :: String -> Int
+part2 contents = go contents 0
+    where
+        go []           _ = 0
+        go (e:es) n = if distinct (e : take 13 es)
+                      then n + 14
+                      else go es (n + 1)
+

2022/app/Day6/input

@@ -0,0 +1 @@
+dvgdvvbpbtbhbdhbhmmmcctmcmccggtrgghnhmnnqffpcprrqssnhsnhnshhsrsqqhchcdcfcqqcncrrzpppmzpzzhjzzzvrvnnpbpzzswzwswnngjgjgcjcfcllhffjbfjfhhppvnppfmfcmmcnnmnfnzfnzffphpnnnsvswvvnwnfntftjftfvvztzqzhzddttjpjbpphhlnnwgnwggdmmczclczzqddlcdldrlrccfflwwgqwwrjwrwzrrsdrrfssddcmmvrvlvhvfhfzhzbhbzzdmdvvsppwswmwdwjjzmzhhvghgthghvvtcthcttgsttpqpbbhthppzznntpnttshtshthhwrrgbbjzbjblblzbllcblcblbvvqfqqnjqqhfhftftwfftvvmddgzzmdzmdmtttttqmqmnqmqpmqpqqjlldpllfvlffjdfjjvlvjjjjbsjbjnnhmnhnrrwtrrfvvtppwmmpnnjbnjjcncjcttrcrjjlqjljccpzccvqvzzscctgccsmmnznhzhnnjggmjgmgjgtgtlgglhhrlhhrvhvrvtvvlvvwmmrjjzqqbzqqtgtzgttmgggwpgwgbwggwwprwwvswszznczncnccjnccjdjdjssqmmgcmcjmmhwhswhwdwrddtccmzmjmsmrmrddhrhhqbbspbsppqvqmvqmmclcddzjzvvslsffdhhqgqrqjrqjqjrrmpmrppcjpjffwhfwwppqvvzjzqqtftgfghgpglgnglldlvvwzwmmfzzhzmzhhswhhnvhvphpmphphrrwwfccmgmqgmmzgmgngznnzbzttjwttgngzzdndffwhfwhhlmllwqlwwgfgfpfnnldnldndbdcdddmbdmbbdpbpwbpptrrpggtrtrnttsmmcrmmlhltlgttblttbhttjzzvnnsbsqbqwbbtwtmtbbcjcljjslscswwglgqlgqgmmcpctcrttprpjjfvjfjqqljlvjljnnfhhfzhzmhmghhjnhjjbppmqqwlwswwgbbzszspzsppcscvvnhndhdwdmdrdssqrqdqsddnbnpplqppjbjdbdqdcccffsnntzntnmnlnbbrzzzvgvvqttbbzpbzpzdpdvppjmjpjbbdrbbgwgffzpzzjddmldlwwjdwwscwcfccnznmmfttvvmpmvpmvmcvmmjmwjwbbwqwjjzqjzjbbjqbjqqqthhsssmrsshvvprvvwccjlcctwwmgwgpwgpgcpptrppjppltlhthctttfptppwgpwprpbbqzbzznssfcsffbnnndffqmmqwmmpvvpvdppjqqttfpttjccbnbddvtdvddlsstjtccphchsswbbrqqgtqgqpqjqnjjvccwscwssjwjttqvtvmtmjjghghccpnpsplslmmfjfjtffgtgrtrftfhttpsttzzmhmllwqwhhnffdpffwbwnnbrrfbrrnjrjlljqqnjqnqqwlqqbbbtvvwgvgbgddpwdwvdwvdvvwzvwwtzwttppnttqccjtjrttqbbprpsrpssfjsffmdfmfbmbggjhggcjgcgvvjqqbhbllhrlhlclzzplpqqdtddrhhfssdvsvrrscsjjnwjjfpjfffcbfcfmmlpmphhhlpltptcpttppfssppgwppjgjnnblbhbtbrbgbpplnlvlsvlvwvwpptmtsswzswsnscsfcsfsfggzhghvvgbbfddgbbrmrtrqtthvhzhzthtbtjjcljjlcllzglzzdszdzjzjfzzzblbslbljjdnndvvnwnqnwqqscscmczcwwvrrlclttbtdtvddbrddvllnppvpmvmbbvfvttfcttggwgffrfwwwpwcpchppcrrgprgprgrjgjdgdgvddzndzdbzzswsvvtgtccrrnggbwggpjpnnsjjwfjjqfqvffrrhdrrsfrfjjfzfdzzqfqwbztszjqtttfdqvzmznzjlsjnwdthtwdtfslgdmgfpwsqcsqdhnsnsmghttfvlzqgspzdtlstdmthzftwmnqrznldpmwqbtthggjwcgjjmbpqgrnwspggjvrlcmtvpchmqhlwwtswqgpdjpbznqnssqhdjzgbjnfmgssrvnmmcvvhgmcvqbfdhgrhnqqzdmttmdzwgtprzqhplwnhhmlrvcbwpllqprtltdvqrwhvwzvlqsvfqsfjwmrnzlqpdgfpmtfdczqdnfjjbjmrdnffcmtwlzcmvnwmlpmqhvggdhptnzlvzwzwjbcszsnzgpwncfgvzfgbzwclvrbmllzpltzwjrftmppsfwhvvvhvqjtstnnczgtdbmpjjsscbdwplftgcgmtrnrnzplzhghrqgdtjwntwfstjwqjjrlhtwhnfqwfqgsjptjfpsrbnvvlgsltnvtfvscttwvrfzblzmfmnfrlrnzrrzhclggtntpjbbcphdvrfhnrtzvdmwbwgbftgzwlcqztghdhdmzwlmjbgptfnnzbmwsnzlzcpprqzmbbdsplmhpgmzthqcsfjcnfbfvsdsqzfvfcnpgqsvpgwsdbgjmsglrwmfjfpddczwvgdppfmrtszbtfdwbmlmzhqvvwmvlzvjfpffjnhwwhssfjnbzlqwqvjbjbhfntmhgswntdpbzlwwfbdbhrfhzfjsjbtlrqhlnrpfbwtpmrfvbhlmmsgtvcmrqmdpwvhqfqpgmfgnfrbvprhprtnpzjcnltndfsvjgndwblhwphtpsmnczgbtpwdvjsrctjbvbfslvslzlwbtstqvgcrqmfphwztpjqdmvcjpjqmjbdndfpzwsfwplchsmqwwbggptjdtztszmpfwgfwnqpdwfcpgrrhmfglsctjllflfltbcfvcpfcnqbwrvzmcmjpwptgsrlbrdchngwsdstfmcbrqvdsvvbnppdmnfwcgvpjjzqwcpvqfncvqlsfnjzprvhpgqscshqwsttdrsmqjfwlhcwlvnzvgvclqfjdgctvsrbwzflcldmrwlfhbgdtstqsqlblndnpgqlfbjzslcpcwvdwdffshhrzvhqwdsdmwtmtvcnrhmstvrnscppmbpmjbfjhljmsjnbjlhjhmnmcvvfgbdrblwbzrcctrjwjjwjtgnfjhhqbsmdjvdrdjtjbscfrsljnvqjlgjwqrvfmdttsvqjwdbswdtcfqsrpbvzrbsdqlqfjlrgcwzbqtqrpsrfcmbzcvjngcsmvqlbnghllcqcztbtvdrfcmpgfdprghsmbjvzbdnrdqnjdzslclgdsqglvpvcjpzqfwztlssljtmcdfcqdnqzwcttvpqfdpvzlhjfvvsgphgqrmzppvnjznqmdzfnfztjppstjfwddftcpcjnssznqbrvlvrzfhbvsjrwghttwlwfrptsvsrwfnvjtthwrppbngbgqvbsdgcrjcwjjljcwptrvgmbjpjtdbmhmzcfhzbsbrmzhdsrjbbmnwbsntpffdrrlgcrcgbcfwvlpmrzvsmvpjthtdjdvcspdsdvshlrwzcqnjmcnrgzbqzhfzbmtrvzzmjwbnjggtrtgcsnrmzbtjzgdmffdntspdhgnvgrmpbtnsspcqhsrvppjbrmdbggjbftnnbrgdsmdscqthdzflldfnplqccthpwccsfsnstttwztqnmnfshntqngmcndbsbftmgnhhwjvhchdfqzzgpdnfgvnjzjzfdzvsvtdqqcftrvmdcszcwpfrbcsmlqqfprrjgncwcvcngmrnwntcvzzlnwrhrznnldslhqdscbgsrqnvnmdtqvlttwqljmvbpbfldtbgzhvwzghnhwrwdqphhhgjpnmtlcmvfbdffnsvcswtmffzsrvczbntfpdsmwbqphvvcflpwgsrmjhrljlvzdgrcwpfphmvtwqwhjmrvmjzjlzlbflhzrdrzcdwhblpqwjljbvprddtvnccmchgctncwbpnmlqppfmhwchvjvpmblqhccfhlprdrczdfhmnsqhddbqlppgsnvhhfrwhqhfdpvsfcvzbqhgswtmnpmzrwsvnmztnqwdrhllssmgtzbztsprpsj

2022/app/Main.hs

@@ -5,6 +5,7 @@ import qualified Day2.Main as Day2
 import qualified Day3.Main as Day3
 import qualified Day4.Main as Day4
 import qualified Day5.Main as Day5
+import qualified Day6.Main as Day6
 
 main :: IO ()
 main = do
@@ -13,3 +14,4 @@ main = do
     Day3.main
     Day4.main
     Day5.main
+    Day6.main

2022/default.nix

@@ -1,6 +1,6 @@
 {
   pkgs ? import <nixpkgs> {},
-  hc ? "ghc924"
+  hc ? "ghc923"
 }:
 
 pkgs.stdenv.mkDerivation rec {