11 lines
274 B
Ruby
11 lines
274 B
Ruby
def sierpinski_carpet(n)
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carpet = ["#"]
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n.times do
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carpet = carpet.collect {|x| x + x + x} +
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carpet.collect {|x| x + x.tr("#"," ") + x} +
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carpet.collect {|x| x + x + x}
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end
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carpet
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end
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4.times{|i| puts "\nN=#{i}", sierpinski_carpet(i)}
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