McNuggets problem: Difference between revisions
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Maximum non-McNuggets number is 43
</pre>
=={{header|Haskell}}==
<lang haskell>import Data.List (nub, sortBy, uncons)
import Data.Ord (comparing)
nuggets :: [Int]
nuggets =
nub $
sortBy (flip (comparing id)) $
[0 .. quot 100 6] >>=
\x ->
[0 .. quot 100 9] >>=
\y ->
[0 .. quot 100 20] >>=
\z ->
let v = sum [6 * x, 9 * y, 20 * z]
in [ v
| 101 > v ]
mbMax :: Maybe ((Int, Int), [(Int, Int)])
mbMax = uncons $ filter (uncurry (/=)) $ zip [100,99 ..] nuggets
main :: IO ()
main =
print $
case mbMax of
Just ((x, _), _) -> show x
Nothing -> "No unreachable quantities found ..."</lang>
<pre>43</pre>
=={{header|J}}==
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