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  1. def calculate a,
  2.   b = a
  3.   left, right = a, b
  4.   left, right = [left, right].map { |x| x * a     }
  5.   left, right = [left, right].map { |x| x - b*b   }
  6.   left, right = [left, right].map { |x| x / a - b }
  7.   left, right = [left, right].map { |x| x / b     }
  8.   puts $/=[left, right].join(' == ')
  9. end
  10.  
  11. calculate 3,
  12. STDOUT.write($/)
  13.  
Success #stdin #stdout 0.02s 7456KB
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stdin
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Standard input is empty
stdout
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1 == -1
https://ideone.com/vQGVAD
language:
Ruby (ruby 2.5.5)
created:
9 years ago
visibility:
public

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