50. Pow(x, n)#33
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h-masder
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Jun 18, 2026
| result *= x | ||
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| if n < 0: | ||
| for i in range(n*(-1)-1): |
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演算子の前後に空白がある場合とない場合で統一されていないので、統一したほうが良いです。
スペースを空けることが多いと思います。
https://peps.python.org/pep-0008/?utm_source=chatgpt.com#other-recommendations
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ありがとうございます。確かに統一した方が良いですね。
出典もありがとうございます。
h-masder
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Jun 18, 2026
| - 時間計算量: $O(\log n)$ | ||
| - 空間計算量: $O(1)$ | ||
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| - $x = 0$, $n < 0$ の場合では数学的には $0$ の負の累乗、つまり $1 / 0$ になるので未定義であるから、エラーを出しても良い |
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エラーを出しても良い
このケースをどう扱うかは仕様として決まってくることかと思います。
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おっしゃる通り、仕様として決めることですね。
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50. Pow(x, n)