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  1. def binary n
  2.   Math.log2(n).floor.downto(0).select {|i| n[i] == 1 }.collect {|i| 2**i}
  3. end
  4.  
  5. 1.upto (100_000) { |n| binary n }
Success #stdin #stdout 0.93s 4848KB
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stdout 
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https://ideone.com/Yav9H
language:
Ruby (ruby 2.5.5)
created:
13 years ago
visibility:
public

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