18 lines
350 B
Ruby
18 lines
350 B
Ruby
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def is_pandigital?(num_as_string)
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num_as_string.split("").sort.join == "123456789"
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end
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pandigitals = []
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(1..100000).each do |i|
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(1..100000).each do |j|
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k = i * j
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if is_pandigital?(i.to_s + j.to_s + k.to_s)
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[i,j,k] << pandigitals
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puts [i,j,k].inspect
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end
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break if k.to_s.length > 9
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end
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end
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puts pandigitals.inspect
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