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Set puzzle: Difference between revisions
m
→{{header|Haskell}}
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combinations :: Int -> [a] -> [[a]]
combinations
combinations _
▲ | otherwise = map (y:) (combinations (k - 1) ys) ++ combinations k ys
data Color = Red | Green | Purple deriving (Show, Enum, Bounded, Ord, Eq)
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main = do
showSolutions 9 4
showSolutions 12 6</lang>
{{out}}
<pre style="font-size:80%">Showing hand of 9 cards with 4 solutions.
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</pre>
=={{header|J}}==
'''Solution:'''
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