回答編集履歴
1
編集
answer
CHANGED
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@@ -1,4 +1,5 @@
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1
1
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a.rb
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2
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+
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2
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```ruby
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def check(cards)
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z = cards.group_by { |x| x }.map { |_k, v| v.size }.sort
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@@ -27,7 +28,7 @@
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TESTS.each do |cards|
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puts "#{check(cards)}:\t#{cards}"
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end
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30
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-
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31
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+
```
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実行例
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33
34
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