17 lines
325 B
Ruby
17 lines
325 B
Ruby
require "gmp"
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primorials = Enumerator.new do |y|
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cur = prod = 1
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loop {y << prod *= (cur = GMP::Z(cur).nextprime)}
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end
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limit = 50
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fortunates = []
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while fortunates.size < limit*2 do
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prim = primorials.next
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fortunates << (GMP::Z(prim+2).nextprime - prim)
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fortunates = fortunates.uniq.sort
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end
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p fortunates[0, limit]
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