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  1. def mode(array)
  2.   p array
  3.   hash = Hash.new(0)
  4.   array.each do |i|
  5.     hash[i]+=1
  6.   end
  7.   p hash
  8.   to_a = hash.to_a
  9.   p to_a
  10.   sorted = to_a.sort { |k,(a,b)| a <=> b }
  11.   p sorted
  12.   last = sorted.last
  13.   p last
  14. end
  15.  
  16. mode(["a", "b", "c", "c", "a"])
Runtime error #stdin #stdout #stderr 0.01s 7468KB
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stdin
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Standard input is empty
stdout
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["a", "b", "c", "c", "a"]
{"a"=>2, "b"=>1, "c"=>2}
[["a", 2], ["b", 1], ["c", 2]]
stderr
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prog.rb:10:in `sort': comparison of Array with Array failed (ArgumentError)
	from prog.rb:10:in `mode'
	from prog.rb:16:in `<main>'
https://ideone.com/ca71sR
language:
Ruby (ruby 2.5.5)
created:
9 years ago
visibility:
public

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