Twelve statements: Difference between revisions
→{{header|Haskell}}: Added type signatures, applied hlint, hindent.
(→{{header|Haskell}}: Added type signatures, applied hlint, hindent.) |
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Line 1,860:
<lang haskell>import Data.List (findIndices)
tf
tf = traverse (const [1, 0])
wrongness b = findIndices id . zipWith (/=) b . map (fromEnum . ($ b))▼
statements = [ (==12) . length,▼
3 ⊂ [length statements-6..],▼
2 ⊂ [1,3..],▼
4 → [4..6],▼
0 ⊂ [1..3],▼
4 ⊂ [0,2..],▼
1 ⊂ [1,2],▼
6 → [4..6],▼
3 ⊂ [0..5],▼
2 ⊂ [10,11],▼
1 ⊂ [6,7,8],▼
4 ⊂ [0..10]▼
] where ▼
(s ⊂ x) b = s == (sum . map (b!!) . takeWhile (< length b)) x▼
(a → x) b = (b!!a == 0) || all ((==1).(b!!)) x▼
wrongness :: [Int] -> [[Int] -> Bool] -> [Int]
main = let t = testall statements in do▼
putStrLn "Answer"▼
mapM_ print $ t 0▼
statements :: [[Int] -> Bool]
putStrLn "Near misses"▼
statements =
mapM_ print $ t 1</lang>▼
]
(⊂), (→) :: Int -> [Int] -> [Int] -> Bool
testall :: [[Int] -> Bool] -> Int -> [([Int], [Int])]
testall s n =
[ (b, w)
| b <- tf s
, w <- [wrongness b s]
, length w == n ]
main :: IO ()
main =
{{out}}
<pre>
| |||