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  1. f = ->a {a.map.with_index.sort.map(&:last).each_with_object([]).with_index {|(i, b), j| b[i] = j}}
  2. g = ->a {p f.(a)}
  3. g.([1,100,10,10000,1000])
  4. g.([3,1,4,1,5,9,2])
  5. g.([0,1,0,1,0,1,0,1])
Success #stdin #stdout 0.01s 8088KB
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Standard input is empty
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[0, 2, 1, 4, 3]
[3, 0, 4, 1, 5, 6, 2]
[0, 4, 1, 5, 2, 6, 3, 7]
https://ideone.com/akDhpS
language:
Ruby (ruby 2.5.5)
created:
55 days ago
visibility:
secret

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