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  1. arr = [1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4].reverse
  2. puts arr.values_at(* arr.each_index.select {|i| i.odd?})
Success #stdin #stdout 0.01s 7452KB
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Standard input is empty
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3
1
3
1
3
1
3
1
https://ideone.com/yK8O4L
language:
Ruby (ruby 2.5.5)
created:
12 years ago
visibility:
public

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