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  1. f = -> m {
  2.   (1..Float::INFINITY).each_with_object(Hash.new {|h, k| h[k] = []}) {|a, acc|
  3.     (1...a).each {|b|
  4.       c = a * a * a - b * b * b
  5.       acc[c] << [a, b]
  6.       return acc[c] if acc[c].size == m
  7.     }
  8.   }
  9. }
  10. p f.(5) # [[1134, 357], [1155, 504], [1246, 805], [2115, 2004], [4746, 4725]]
Time limit exceeded #stdin #stdout 5s 655408KB
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https://ideone.com/4GdMaO
language:
Ruby (ruby 2.5.5)
created:
85 days ago
visibility:
secret

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