16 lines
245 B
Ruby
16 lines
245 B
Ruby
def yellow(n)
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a = [1, 2, 3]
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b = { 1 => true, 2 => true, 3 => true }
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i = 4
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while n > a.length
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if !b[i] && i.gcd(a[-1]) == 1 && i.gcd(a[-2]) > 1
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a << i
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b[i] = true
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i = 4
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end
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i += 1
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end
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a
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end
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p yellow(30)
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