回答編集履歴
1
追記
test
CHANGED
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@@ -7,3 +7,23 @@
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7
7
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p a,b,c,d
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8
8
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9
9
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```
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10
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+
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11
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12
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13
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---
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14
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15
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**コメントを受けて追記**
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16
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17
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18
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19
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```ruby
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20
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21
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a,b,c,d = Array.new(4){[]}
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22
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23
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p a,b,c,d
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24
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25
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a << 1
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26
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27
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p a,b,c,d
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28
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29
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```
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