Law of cosines - triples: Difference between revisions
Content added Content deleted
m (→{{header|Haskell}}: (minor tidying)) |
(→{{header|Haskell}}: corrected label order, updated type signature) |
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import Control.Arrow (second) |
import Control.Arrow (second) |
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triplesFound :: Int -> [(Int, [Int])] |
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triplesFound n = |
triplesFound n = |
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let xs = ((,) <*> (^ 2)) <$> [1 .. n] :: [(Int, Int)] |
let xs = ((,) <*> (^ 2)) <$> [1 .. n] :: [(Int, Int)] |
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show (length g) <> " solutions for " <> s <> " degrees:\n" <> show g <> |
show (length g) <> " solutions for " <> s <> " degrees:\n" <> show g <> |
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"\n") |
"\n") |
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[" |
["120", "90", "60"] $ |
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(nub . fmap snd) <$> |
(nub . fmap snd) <$> |
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groupBy (on (==) fst) (sortBy (comparing fst) (fmap (fmap sort) xs)) |
groupBy (on (==) fst) (sortBy (comparing fst) (fmap (fmap sort) xs)) |
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