Permutations: Difference between revisions
Content added Content deleted
(→{{header|Ruby}}: fixed typos) |
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<lang ruby> |
<lang ruby> |
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class Array |
class Array |
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def |
def distinct_permutation |
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@copy = self.dup |
@copy = self.dup |
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sort! |
sort! |
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end |
end |
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end |
end |
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permutations = [] |
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[1,1,2].distinct_permutation do |p| permutations << p.dup end |
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p permutations |
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</lang> |
</lang> |
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will produce: |
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<pre> |
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[[1, 1, 2], [1, 2, 1], [2, 1, 1]] |
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</pre> |
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=={{header|Scala}}== |
=={{header|Scala}}== |
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