14 lines
388 B
Ruby
14 lines
388 B
Ruby
require 'prime'
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def all_anagram?(arr)
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sorted = arr.first.digits.sort
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arr[1..].all?{|a| a.digits.sort == sorted}
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end
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res = Prime.each.each_cons(3).lazy.filter_map{|ar| ar.first if all_anagram?(ar)}.first(25)
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res.each_slice(5){|slice| puts slice.join(", ")}
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n = 1E9
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res = Prime.each(n).each_cons(3).count {|ar| all_anagram?(ar)}
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puts "\nThere are #{res} Ormiston triples below #{n}"
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