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Add day 9

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This commit is contained in:
Xavier Morel
2019-12-14 17:28:50 +01:00
parent c85dfb56b6
commit 6b539c8567
2 changed files with 13 additions and 10 deletions
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3
y2019/src/Day9.hs
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@@ -10,3 +10,6 @@ day9 = do
let outputP1 = runProgramV2 [1] memory
putStrLn $ "Part1: " ++ show outputP1
let outputP2 = runProgramV2 [2] memory
putStrLn $ "Part2: " ++ show outputP2

20
y2019/src/Intcode.hs
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@@ -58,10 +58,10 @@ getInstruction s = Instr opcode param1 param2 param3
param3 = (m3, getMemoryAt 3)
getMemoryAt n = (_memory s) ! (n + _index s)
getValueSafe :: State -> (ParamMode, Int) -> Int
getValueSafe _ (Position, n) = n
getValueSafe _ (Direct, n) = n
getValueSafe s (Relative, n) = findWithDefault 0 (n + _relIndex s) (_memory s)
getWriteAddress :: State -> (ParamMode, Int) -> Int
getWriteAddress _ (Position, n) = n
getWriteAddress _ (Direct, n) = n
getWriteAddress s (Relative, n) = (n + _relIndex s)
getValue :: State -> (ParamMode, Int) -> Int
getValue s (Position, n) = findWithDefault 0 n (_memory s)
@@ -73,7 +73,7 @@ compute :: State -> Instr -> State
compute s (Instr OpAdd p1 p2 p3) = dbg s { _index = newIndex, _memory = newMemory }
where newIndex = (_index s) + 4
newMemory = insert resultIndex result (_memory s)
resultIndex = getValueSafe s p3
resultIndex = getWriteAddress s p3
value1 = getValue s p1
value2 = getValue s p2
result = value1 + value2
@@ -82,7 +82,7 @@ compute s (Instr OpAdd p1 p2 p3) = dbg s { _index = newIndex, _memory = newMemor
compute s (Instr OpMult p1 p2 p3) = dbg s { _index = newIndex, _memory = newMemory }
where newIndex = (_index s) + 4
newMemory = insert resultIndex result (_memory s)
resultIndex = getValueSafe s p3
resultIndex = getWriteAddress s p3
value1 = getValue s p1
value2 = getValue s p2
result = value1 * value2
@@ -91,14 +91,14 @@ compute s (Instr OpMult p1 p2 p3) = dbg s { _index = newIndex, _memory = newMemo
compute s (Instr OpRead p1 _ _) = dbg s { _index = newIndex, _memory = newMemory, _input = newInput }
where newIndex = (_index s) + 2
newMemory = insert resultIndex value (_memory s)
resultIndex = getValueSafe s p1
resultIndex = getWriteAddress s p1
value = head $ _input s
newInput = tail $ _input s
dbg x = trace ("READ\t\t[" ++ show value ++ "]\t-> @ [" ++ show resultIndex ++ "] " ++ show p1) x
-- OPCODE 4 - OUTPUT
compute s (Instr OpWrite p1 _ _) = dbg s { _index = newIndex, _output = newOutput }
where newIndex = (_index s) + 2
newOutput = value:(_output s)
newOutput = (_output s) ++ [value]
value = getValue s p1
dbg x = trace ("OUTPUT\t\t" ++ show p1 ++ " [" ++ show value ++ "]") x
-- OPCODE 5 - JUMP-IF-TRUE
@@ -118,7 +118,7 @@ compute s (Instr OpLT p1 p2 p3) = dbg s { _index = newIndex, _memory = newMemory
where newIndex = (_index s) + 4
value1 = getValue s p1
value2 = getValue s p2
resultIndex = getValueSafe s p3
resultIndex = getWriteAddress s p3
result = if value1 < value2 then 1 else 0
newMemory = insert resultIndex result (_memory s)
dbg x = trace ("LESS-THAN\t" ++ show p1 ++ " [" ++ show value1 ++ "] vs " ++ show p2 ++ " [" ++ show value2 ++ "] =\t[" ++ show result ++ "]\t-> @ [" ++ show resultIndex ++ "] "++ show p3) x
@@ -128,7 +128,7 @@ compute s (Instr OpEq p1 p2 p3) = dbg s { _index = newIndex, _memory = newMemory
value1 = getValue s p1
value2 = getValue s p2
result = if value1 == value2 then 1 else 0
resultIndex = getValueSafe s p3
resultIndex = getWriteAddress s p3
newMemory = insert resultIndex result (_memory s)
dbg x = trace ("EQUALS\t\t" ++ show p1 ++ " [" ++ show value1 ++ "] vs " ++ show p2 ++ " [" ++ show value2 ++ "] =\t[" ++ show result ++ "]\t-> @ [" ++ show resultIndex ++ "] "++ show p3) x
-- OPCODE 9 - REL-OFFSET