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  1.         require'mathn'
  2.         def g(o,l=[])
  3.         p l if l.inject(:+)==o#db
  4.         (l.last||1..o).each{|d|d.prime?and g(o,l+[d])if l.count<5}
  5.         end
  6.  
  7. g(27)
  8.  
Success #stdin #stdout 0.07s 5548KB
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[2, 2, 2, 2, 19]
[2, 2, 3, 3, 17]
[2, 2, 3, 7, 13]
[2, 2, 5, 5, 13]
[2, 2, 5, 7, 11]
[2, 2, 23]
[2, 3, 3, 19]
[2, 3, 5, 17]
[2, 3, 11, 11]
[2, 5, 7, 13]
[2, 7, 7, 11]
[3, 3, 3, 5, 13]
[3, 3, 3, 7, 11]
[3, 3, 5, 5, 11]
[3, 3, 7, 7, 7]
[3, 5, 5, 7, 7]
[3, 5, 19]
[3, 7, 17]
[3, 11, 13]
[5, 5, 5, 5, 7]
[5, 5, 17]
[5, 11, 11]
[7, 7, 13]
https://ideone.com/rua7A
language:
Ruby (ruby 2.5.5)
created:
11 years ago
visibility:
public

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