Largest int from concatenated ints: Difference between revisions
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m (→Haskell Try all permutations method: (<$> -> fmap; needs fewer brackets)) |
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<lang Haskell>import Data.List (permutations) |
<lang Haskell>import Data.List (permutations) |
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main :: IO () |
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main = |
main = |
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print |
print |
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(maxcat <$> [[1, 34, 3, 98, 9, 76, 45, 4], [54, 546, 548, 60]] :: [Integer]) |
(maxcat <$> [[1, 34, 3, 98, 9, 76, 45, 4], [54, 546, 548, 60]] :: [Integer]) |
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where |
where |
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maxcat = read . maximum . (concatMap show |
maxcat = read . maximum . fmap (concatMap show) . permutations</lang> |
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;Output as above. |
;Output as above. |
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