Done part 1

diff --git a/advent17/advent17grid.txt b/advent17/advent17grid.txt
new file mode 100644 (file)
index 0000000..e5b8ce4
--- /dev/null
+++ b/advent17/advent17grid.txt
@@ -0,0 +1,62 @@
+........................#############........................
+........................#...........#........................
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+................#########.................#...#..............
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+........#########...............................############^
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+..................#.................#########................
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+........................#############........................
+

diff --git a/advent17/package.yaml b/advent17/package.yaml
new file mode 100644 (file)
index 0000000..2271e6a
--- /dev/null
+++ b/advent17/package.yaml
@@ -0,0 +1,60 @@
+# This YAML file describes your package. Stack will automatically generate a
+# Cabal file when you run `stack build`. See the hpack website for help with
+# this file: <https://github.com/sol/hpack>.
+
+name: advent17
+synopsis: Advent of Code
+version: '0.0.1'
+
+default-extensions:
+- AllowAmbiguousTypes
+- ApplicativeDo
+- BangPatterns
+- BlockArguments
+- DataKinds
+- DeriveFoldable
+- DeriveFunctor
+- DeriveGeneric
+- DeriveTraversable
+- EmptyCase
+- FlexibleContexts
+- FlexibleInstances
+- FunctionalDependencies
+- GADTs
+- GeneralizedNewtypeDeriving
+- ImplicitParams
+- KindSignatures
+- LambdaCase
+- MonadComprehensions
+- MonoLocalBinds
+- MultiParamTypeClasses
+- MultiWayIf
+- NegativeLiterals
+- NumDecimals
+- OverloadedLists
+- OverloadedStrings
+- PartialTypeSignatures
+- PatternGuards
+- PatternSynonyms
+- PolyKinds
+- RankNTypes
+- RecordWildCards
+- ScopedTypeVariables
+- TemplateHaskell
+- TransformListComp
+- TupleSections
+- TypeApplications
+- TypeInType
+- TypeOperators
+- ViewPatterns
+
+
+executables:
+  advent17:
+    main: advent17.hs
+    source-dirs: src
+    dependencies:
+    - base >= 2 && < 6
+    - text
+    - containers
+    - intcode

diff --git a/advent17/src/advent17.hs b/advent17/src/advent17.hs
new file mode 100644 (file)
index 0000000..bef9ddf
--- /dev/null
+++ b/advent17/src/advent17.hs
@@ -0,0 +1,123 @@
+import Debug.Trace
+
+import Intcode
+
+import qualified Data.Text.IO as TIO
+
+import qualified Data.Map.Strict as M
+import Data.Map.Strict ((!))
+import Data.List
+import qualified Data.Set as S
+-- import Data.Char
+import Data.List
+
+type Position = (Integer, Integer) -- x, y
+type Boundary = [Position]
+data Direction = North | East | South | West deriving (Show, Eq, Ord)
+data ReturnValue = Static | Moved | Goal deriving (Show, Eq, Ord)
+
+data Droid = Droid
+    { _machine :: Machine
+    , _executionState :: ExecutionState
+    , _currentInput :: [Integer]
+    , _machineOutput :: [Integer]
+    } deriving (Eq)
+
+instance Show Droid where
+  show d = "Droid {<m>, _executionState = " ++ show (_executionState d) ++
+           ", _currentInput = " ++ show (_currentInput d) ++
+           ", _machineOutput = " ++ show (_machineOutput d) ++
+           " }"
+
+type Scaffold = S.Set Position
+
+data ScaffoldBuilder = ScaffoldBuilder { _scaffold :: Scaffold
+                     , _r :: Integer
+                     , _c :: Integer
+                     , _droidPos :: Position
+                     , _droidDirection :: Direction
+                     } deriving (Show, Eq)
+
+
+main :: IO ()
+main = do 
+        text <- TIO.readFile "data/advent17.txt"
+        let mem = parseMachineMemory text
+        -- print mem
+        let sb = buildScaffold mem
+        print $ part1 sb
+        -- print $ part2 mem
+
+
+part1 sb = S.foldl (+) 0 $ S.map alignmentParam intersections
+    where scaffold = _scaffold sb
+          intersections = S.filter (isIntersection scaffold) scaffold
+
+
+buildScaffold mem = foldl' addGridChar emptyScaffoldBuilder output
+    where (_, _, output) = runProgram [] mem
+          emptyScaffoldBuilder = ScaffoldBuilder {_scaffold = S.empty, _r = 0, _c = 0, 
+                    _droidPos = (0, 0), _droidDirection = North }
+
+
+addGridChar sb 10  = sb { _r = _r sb + 1, _c = 0 }
+addGridChar sb 46  = sb { _c = _c sb + 1 }
+addGridChar sb 35  = sb { _scaffold = S.insert (_r sb, _c sb) $ _scaffold sb, 
+                            _c = _c sb + 1 }
+addGridChar sb 94  = sb { _scaffold = S.insert (_r sb, _c sb) $ _scaffold sb, 
+                            _c = _c sb + 1,
+                            _droidPos = (_r sb, _c sb), _droidDirection = North }
+addGridChar sb 118 = sb { _scaffold = S.insert (_r sb, _c sb) $ _scaffold sb, 
+                            _c = _c sb + 1,
+                            _droidPos = (_r sb, _c sb), _droidDirection = South }
+addGridChar sb 60  = sb { _scaffold = S.insert (_r sb, _c sb) $ _scaffold sb, 
+                            _c = _c sb + 1,
+                            _droidPos = (_r sb, _c sb), _droidDirection = West }
+addGridChar sb 61  = sb { _scaffold = S.insert (_r sb, _c sb) $ _scaffold sb, 
+                            _c = _c sb + 1,
+                            _droidPos = (_r sb, _c sb), _droidDirection = East }
+
+
+isIntersection :: Scaffold -> Position -> Bool
+isIntersection scaffold (r, c) = neighbours `S.isSubsetOf` scaffold
+    where  neighbours = [(r - 1, c), (r + 1, c), (r, c - 1), (r, c + 1)]
+
+alignmentParam :: Position -> Integer
+alignmentParam (r, c) = r * c
+
+
+-- runDroid :: Droid -> Direction -> (Droid, ReturnValue)
+-- runDroid droid direction = (droid', found)
+--     where   ci = _currentInput droid
+--             droid' = runDroidMachine (droid {_currentInput = ci ++ [commandOf direction]})
+--             found = returnValue $ last $ _machineOutput droid'
+
+
+-- runDroidMachine :: Droid -> Droid
+-- runDroidMachine d = d { _machine = machine'
+--                       , _executionState = halted
+--                       , _machineOutput = output
+--                       }
+--     where   machine = _machine d
+--             input = _currentInput d
+--             (halted, machine', output) = runMachine input machine
+
+
+showHull :: Hull -> String
+showHull screen = unlines rows
+    where   minX = minimum $ map fst $ M.keys screen
+            minY = minimum $ map snd $ M.keys screen
+            maxX = maximum $ map fst $ M.keys screen
+            maxY = maximum $ map snd $ M.keys screen
+            rows = [showHullRow screen minX maxX y | y <- [minY..maxY]]
+
+showHullRow :: Hull -> Integer -> Integer -> Integer -> String
+showHullRow screen minX maxX y = [showHullCell screen x y | x <- [minX..maxX]] 
+
+showHullCell :: Hull -> Integer -> Integer -> Char
+showHullCell screen x y = 
+    case (M.findWithDefault Unknown (x, y) screen) of 
+        Empty _ _ True -> 'O'
+        Empty _ _ _ -> '.'
+        Wall -> '\x2588'
+        Unknown -> ' '

diff --git a/data/advent17.txt b/data/advent17.txt
new file mode 100644 (file)
index 0000000..cbc603f
--- /dev/null
+++ b/data/advent17.txt
@@ -0,0 +1 @@
+1,330,331,332,109,5242,1101,1182,0,16,1102,1521,1,24,102,1,0,570,1006,570,36,102,1,571,0,1001,570,-1,570,1001,24,1,24,1106,0,18,1008,571,0,571,1001,16,1,16,1008,16,1521,570,1006,570,14,21101,0,58,0,1105,1,786,1006,332,62,99,21102,333,1,1,21101,73,0,0,1106,0,579,1101,0,0,572,1102,0,1,573,3,574,101,1,573,573,1007,574,65,570,1005,570,151,107,67,574,570,1005,570,151,1001,574,-64,574,1002,574,-1,574,1001,572,1,572,1007,572,11,570,1006,570,165,101,1182,572,127,101,0,574,0,3,574,101,1,573,573,1008,574,10,570,1005,570,189,1008,574,44,570,1006,570,158,1105,1,81,21102,340,1,1,1106,0,177,21101,0,477,1,1106,0,177,21102,1,514,1,21102,176,1,0,1105,1,579,99,21102,184,1,0,1106,0,579,4,574,104,10,99,1007,573,22,570,1006,570,165,102,1,572,1182,21101,375,0,1,21101,0,211,0,1105,1,579,21101,1182,11,1,21102,222,1,0,1106,0,979,21102,1,388,1,21102,1,233,0,1106,0,579,21101,1182,22,1,21101,244,0,0,1106,0,979,21101,0,401,1,21102,255,1,0,1105,1,579,21101,1182,33,1,21101,0,266,0,1106,0,979,21102,1,414,1,21102,277,1,0,1106,0,579,3,575,1008,575,89,570,1008,575,121,575,1,575,570,575,3,574,1008,574,10,570,1006,570,291,104,10,21101,1182,0,1,21101,313,0,0,1105,1,622,1005,575,327,1101,1,0,575,21102,327,1,0,1106,0,786,4,438,99,0,1,1,6,77,97,105,110,58,10,33,10,69,120,112,101,99,116,101,100,32,102,117,110,99,116,105,111,110,32,110,97,109,101,32,98,117,116,32,103,111,116,58,32,0,12,70,117,110,99,116,105,111,110,32,65,58,10,12,70,117,110,99,116,105,111,110,32,66,58,10,12,70,117,110,99,116,105,111,110,32,67,58,10,23,67,111,110,116,105,110,117,111,117,115,32,118,105,100,101,111,32,102,101,101,100,63,10,0,37,10,69,120,112,101,99,116,101,100,32,82,44,32,76,44,32,111,114,32,100,105,115,116,97,110,99,101,32,98,117,116,32,103,111,116,58,32,36,10,69,120,112,101,99,116,101,100,32,99,111,109,109,97,32,111,114,32,110,101,119,108,105,110,101,32,98,117,116,32,103,111,116,58,32,43,10,68,101,102,105,110,105,116,105,111,110,115,32,109,97,121,32,98,101,32,97,116,32,109,111,115,116,32,50,48,32,99,104,97,114,97,99,116,101,114,115,33,10,94,62,118,60,0,1,0,-1,-1,0,1,0,0,0,0,0,0,1,60,24,0,109,4,2101,0,-3,586,21002,0,1,-1,22101,1,-3,-3,21102,1,0,-2,2208,-2,-1,570,1005,570,617,2201,-3,-2,609,4,0,21201,-2,1,-2,1105,1,597,109,-4,2105,1,0,109,5,2101,0,-4,629,21002,0,1,-2,22101,1,-4,-4,21102,1,0,-3,2208,-3,-2,570,1005,570,781,2201,-4,-3,653,20101,0,0,-1,1208,-1,-4,570,1005,570,709,1208,-1,-5,570,1005,570,734,1207,-1,0,570,1005,570,759,1206,-1,774,1001,578,562,684,1,0,576,576,1001,578,566,692,1,0,577,577,21102,1,702,0,1106,0,786,21201,-1,-1,-1,1106,0,676,1001,578,1,578,1008,578,4,570,1006,570,724,1001,578,-4,578,21101,731,0,0,1106,0,786,1105,1,774,1001,578,-1,578,1008,578,-1,570,1006,570,749,1001,578,4,578,21101,756,0,0,1105,1,786,1106,0,774,21202,-1,-11,1,22101,1182,1,1,21102,774,1,0,1106,0,622,21201,-3,1,-3,1106,0,640,109,-5,2105,1,0,109,7,1005,575,802,20101,0,576,-6,21002,577,1,-5,1105,1,814,21101,0,0,-1,21101,0,0,-5,21102,0,1,-6,20208,-6,576,-2,208,-5,577,570,22002,570,-2,-2,21202,-5,61,-3,22201,-6,-3,-3,22101,1521,-3,-3,2101,0,-3,843,1005,0,863,21202,-2,42,-4,22101,46,-4,-4,1206,-2,924,21102,1,1,-1,1106,0,924,1205,-2,873,21102,35,1,-4,1106,0,924,2102,1,-3,878,1008,0,1,570,1006,570,916,1001,374,1,374,2101,0,-3,895,1101,2,0,0,2101,0,-3,902,1001,438,0,438,2202,-6,-5,570,1,570,374,570,1,570,438,438,1001,578,558,922,20101,0,0,-4,1006,575,959,204,-4,22101,1,-6,-6,1208,-6,61,570,1006,570,814,104,10,22101,1,-5,-5,1208,-5,61,570,1006,570,810,104,10,1206,-1,974,99,1206,-1,974,1101,0,1,575,21102,1,973,0,1106,0,786,99,109,-7,2105,1,0,109,6,21101,0,0,-4,21102,0,1,-3,203,-2,22101,1,-3,-3,21208,-2,82,-1,1205,-1,1030,21208,-2,76,-1,1205,-1,1037,21207,-2,48,-1,1205,-1,1124,22107,57,-2,-1,1205,-1,1124,21201,-2,-48,-2,1106,0,1041,21101,-4,0,-2,1106,0,1041,21101,-5,0,-2,21201,-4,1,-4,21207,-4,11,-1,1206,-1,1138,2201,-5,-4,1059,2101,0,-2,0,203,-2,22101,1,-3,-3,21207,-2,48,-1,1205,-1,1107,22107,57,-2,-1,1205,-1,1107,21201,-2,-48,-2,2201,-5,-4,1090,20102,10,0,-1,22201,-2,-1,-2,2201,-5,-4,1103,1201,-2,0,0,1105,1,1060,21208,-2,10,-1,1205,-1,1162,21208,-2,44,-1,1206,-1,1131,1106,0,989,21101,439,0,1,1105,1,1150,21102,1,477,1,1106,0,1150,21102,1,514,1,21101,1149,0,0,1106,0,579,99,21101,1157,0,0,1105,1,579,204,-2,104,10,99,21207,-3,22,-1,1206,-1,1138,2101,0,-5,1176,1202,-4,1,0,109,-6,2105,1,0,24,13,48,1,11,1,48,1,11,1,48,1,11,1,48,1,3,13,44,1,3,1,7,1,3,1,44,1,3,1,7,1,3,1,44,1,3,1,7,1,3,1,44,1,3,1,7,7,42,1,3,1,11,1,1,1,40,7,11,7,36,1,1,1,17,1,3,1,30,9,17,1,3,1,30,1,5,1,19,1,3,1,30,1,5,1,19,1,3,1,30,1,5,1,19,1,3,1,30,1,5,1,19,7,28,1,5,1,23,1,1,1,28,1,5,1,23,13,18,1,5,1,25,1,9,1,18,1,5,1,25,1,9,1,18,1,5,1,25,1,9,1,16,9,25,1,9,1,16,1,1,1,31,1,9,1,10,9,31,13,8,1,5,1,43,1,10,1,5,1,43,1,10,1,5,1,43,1,10,1,5,1,43,1,10,1,5,1,43,1,2,9,5,1,35,9,2,1,13,1,35,1,10,1,13,1,35,1,10,1,13,1,35,1,10,1,13,13,23,1,10,1,25,1,23,1,10,13,13,1,23,1,22,1,13,1,23,1,22,1,13,1,23,1,22,1,13,1,23,1,22,1,13,1,23,1,22,1,13,1,23,1,22,1,13,1,17,7,22,1,31,1,28,7,25,1,34,1,25,1,34,1,25,1,34,1,25,1,34,1,17,9,34,1,17,1,42,1,17,1,42,1,17,1,42,7,11,1,48,1,11,1,48,1,11,1,48,1,11,1,48,1,11,1,48,1,11,1,48,1,11,1,48,1,11,1,48,13,24

diff --git a/stack.yaml b/stack.yaml
index e9556a529ac090b96ed19d6293290d2c0eb01f20..de5b5af912f6971ef8fa0da5f593bf251b267f3d 100644 (file)
--- a/stack.yaml
+++ b/stack.yaml
@@ -54,6 +54,7 @@ packages:
 - advent14
 - advent15
 - advent16
+- advent17
 
 
 # Dependency packages to be pulled from upstream that are not in the resolver.