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  1. def calc(s)
  2.     i = 0
  3.     s.split("").each { |o|
  4.         if o == '+'
  5.             i += 1
  6.         end
  7.         if o == '-'
  8.             i -= 1
  9.         end
  10.         if o == '*'
  11.             i *= 2
  12.         end
  13.         if o == '/'
  14.             i /= 2
  15.         end
  16.     }
  17.     return i
  18. end
  19. p calc("-/")
Success #stdin #stdout 0.02s 9664KB
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https://ideone.com/fWX9fp
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

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