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esse
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Jun 27, 2017
odd_occurrences/odd_occurrences.rb
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| @@ -0,0 +1,8 @@ | |||
| def solution(array) | |||
| numbers = Hash.new(0) | |||
odd_occurrences/odd_occurrences.rb
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| @@ -0,0 +1,8 @@ | |||
| def solution(array) | |||
| numbers = Hash.new(0) | |||
| odd_numbers = Hash.new(0) | |||
odd_occurrences/odd_occurrences.rb
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| numbers = Hash.new(0) | ||
| odd_numbers = Hash.new(0) | ||
|
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| numbers = array.group_by { |num| num } |
There was a problem hiding this comment.
you can write it prettier: numbers = array.group_by(&:itself)
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