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  1. # your code goes here
  2. f=->a{a.map{|e|e!=[*e]?[e]:f[e]}.inject:+}
  3.  
  4. p f.call([[10]])
  5. p f.call([[[20],["Hi"],"Hi",20]])
Success #stdin #stdout 0.05s 9616KB
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stdin
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Standard input is empty
stdout
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[10]
[20, "Hi", "Hi", 20]
https://ideone.com/Om3WAT
language:
Ruby (ruby 2.5.5)
created:
7 years ago
visibility:
public

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