Ormiston triples: Difference between revisions
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(→{{header|Ruby}}: anagram, not palindrome.) |
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require 'prime' |
require 'prime' |
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def |
def all_anagram?(arr) |
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sorted = arr.first.digits.sort |
sorted = arr.first.digits.sort |
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arr[1..].all?{|a| a.digits.sort == sorted} |
arr[1..].all?{|a| a.digits.sort == sorted} |
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end |
end |
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res = Prime.each.each_cons(3).lazy.filter_map{|ar| ar.first if |
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(", ")} |
res.each_slice(5){|slice| puts slice.join(", ")} |
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n = 1E9 |
n = 1E9 |
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res = Prime.each(n).each_cons(3).count {|ar| |
res = Prime.each(n).each_cons(3).count {|ar| all_anagram?(ar)} |
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puts "\nThere are #{res} Ormiston triples below #{n}" |
puts "\nThere are #{res} Ormiston triples below #{n}" |
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</syntaxhighlight> |
</syntaxhighlight> |
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