18 lines
281 B
Ruby
18 lines
281 B
Ruby
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def factorial(n)
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i = 1
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while (n > 0)
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i *= n
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n -= 1
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end
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i
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end
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def curious_numbers(range)
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solutions = []
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(3..range).each do |i|
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digits = i.to_s.split('').map(&:to_i)
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solutions << i if digits.map { |x| factorial(x) }.inject(:+) == i
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end
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solutions
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end
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