Four is magic: Difference between revisions
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(Added Haskell solution, probably needs some polishing.) |
m (Small mistake on the Haskell solution.) |
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import Data.List (find) |
import Data.List (find) |
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import Data.Maybe (fromMaybe) |
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import Data.Char (toUpper) |
import Data.Char (toUpper) |
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