10 lines
506 B
Ruby
10 lines
506 B
Ruby
names = %i( Baker Cooper Fletcher Miller Smith )
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predicates = [->(c){ :Baker != c.last },
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->(c){ :Cooper != c.first },
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->(c){ :Fletcher != c.first && :Fletcher != c.last },
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->(c){ c.index(:Miller) > c.index(:Cooper) },
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->(c){ (c.index(:Smith) - c.index(:Fletcher)).abs != 1 },
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->(c){ (c.index(:Cooper) - c.index(:Fletcher)).abs != 1 }]
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puts names.permutation.detect{|candidate| predicates.all?{|predicate| predicate.call(candidate)}}
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