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  1. def input_data
  2.   a = []
  3.   while s = gets
  4.     a << s.chomp.to_i
  5.   end
  6.   a
  7. end
  8.  
  9. def get_average(a)
  10.   s = 0
  11.   a.each do |a|
  12.     s += a
  13.   end
  14.   s.to_f / a.size
  15. end
  16.  
  17. def get_median(a)
  18.   if a.size % 2 == 0
  19.     return ((a[a.size/2-1] + a[a.size/2]) / 2).to_f
  20.   else
  21.     return a[a.size/2].to_f
  22.   end
  23. end
  24.  
  25. def print_result(n)
  26.   printf("%.1f\n", n)
  27. end
  28.  
  29. a = input_data
  30. a.sort!
  31. print_result(get_average(a))
  32. print_result(get_median(a))
  33.  
Success #stdin #stdout 0s 28216KB
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13.2
14.0
https://ideone.com/M4FdDG
language:
Ruby (ruby 2.5.5)
created:
6 years ago
visibility:
public

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