回答編集履歴
2
修正
answer
CHANGED
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@@ -1,4 +1,4 @@
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1
1
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```ruby
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2
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-
a = a.digits.sum while a
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2
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+
a = a.digits.sum while a > 9
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3
3
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p a
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4
4
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```
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1
修正
answer
CHANGED
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@@ -1,4 +1,4 @@
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1
1
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```ruby
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2
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-
a = a.digits.sum while a
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2
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+
a = a.digits.sum while a <= 9
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3
3
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p a
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4
4
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```
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