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Day14: Both parts work .... somehow

master
Arranun 2 years ago
parent
commit
f2f0df9142
  1. 17
      day14.hs

17
day14.hs

@ -7,12 +7,9 @@ import Debug.Trace as T
main = do
reactions <- map getReaction <$> lines <$> getContents
let amout = getConstruction reactions (1,"A")
let ore = getOre [(1,"FUEL")] [] reactions
let result = getRestOre ore [] reactions
let test = part1 [(1,"FUEL")] [] reactions
putStrLn(show $ head reactions)
--putStrLn(show ore)
putStrLn(show result)
putStrLn(show test)
--putStrLn(show sumResult1)
data Reaction = Reaction { input :: [(Int, String)],
@ -51,10 +48,10 @@ getConstructionRest reactions (amount, elem)
part1 :: [(Int,String)] -> [(Int,String)] -> [Reaction] -> [(Int,String)]
part1 needs oldNeeds reactions
|needs == oldNeeds = needs
| needs == oldNeeds = needs
| otherwise = part1 newNeeds needs reactions
where newNeeds = getRestOre fullNeeds [] reactions
fullNeeds = getOre needs [] reactions
where newNeeds = getRestOre (T.traceShowId(fullNeeds)) [] reactions
fullNeeds = getOre (T.traceShowId(needs)) [] reactions
getOre :: [(Int,String)] -> [(Int,String)] -> [Reaction] -> [(Int,String)]
getOre needs oldNeeds reactions
@ -66,9 +63,9 @@ getOre needs oldNeeds reactions
getRestOre :: [(Int,String)] -> [(Int,String)] -> [Reaction] -> [(Int,String)]
getRestOre needs oldNeeds reactions = sumNeeds
where pureNeeds = getPureNeeds needs reactions
pureRest = foldl (++)[] (map(\(amount,xs) -> map(\(a,e) -> ((amount * a),e)) xs) (map (getConstructionRest reactions) pureNeeds))
sumNeeds = foldl combineNeeds [] ((needs \\ pureNeeds) ++ pureRest)
where pureNeeds = (T.traceShowId(head ( getPureNeeds needs reactions)))
pureRest = foldl (++)[] (map(\(amount,xs) -> map(\(a,e) -> ((amount * a),e)) xs) (map (getConstructionRest reactions) [pureNeeds]))
sumNeeds = foldl combineNeeds [] ((needs \\ [pureNeeds]) ++ pureRest)
combineNeeds :: [(Int,String)] -> (Int,String) -> [(Int,String)]
combineNeeds xs (amt, elem)
@ -77,7 +74,7 @@ combineNeeds xs (amt, elem)
where oldVal = filter(\(a,e) -> e == elem) xs
getPureNeeds :: [(Int,String)] -> [Reaction] -> [(Int,String)]
getPureNeeds needs reactions = filter(\(a,e) -> notElem e impureElements ) needs
getPureNeeds needs reactions = filter(\(a,e) -> notElem e (impureElements) ) needs
where impureElements = map(\(a,e) -> e) ( (foldl (++) [] ( map(\(Reaction i o) -> i)reactionList )))
reactionList = (filter(\(Reaction i o) -> elem (snd o) elements) reactions)
elements = (map(\(a,e) -> e) needs)

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