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  1. factorial = (1..10).inject(Object) {|p,n| Class.new(p) {define_method("a#{n}") {n}}}.new
  2.  
  3. puts (1..10).map {|n| factorial.send("a#{n}")}.inject(:*)
Success #stdin #stdout 0.01s 7468KB
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stdin 
Standard input is empty
stdout 
3628800
https://ideone.com/0hQu6x
language:
Ruby (ruby 2.5.5)
created:
11 years ago
visibility:
public

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