50. Pow(x, n) #40
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50. Pow(x, n) #40
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tokuhirat
reviewed
Oct 3, 2025
| if exponent.even? | ||
| return my_pow(base, exponent / 2) ** 2 | ||
| else | ||
| return base * my_pow(base, exponent - 1) |
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趣味の範囲ですが、
return base * my_pow(base, exponent / 2) ** 2
としても良いかなと思いました。
tokuhirat
reviewed
Oct 3, 2025
| else | ||
| result /= calculate_my_pow.call(exsp_left) | ||
| result /= calculate_my_pow.call(exsp_right) | ||
| end |
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文脈によっては二項演算子の左右を lhs, rhs と書くと伝わることがあると思いました。その場合は *= ではなく
result = calculate_my_pow.call(exsp_left) * calculate_my_pow.call(exsp_right)
と書いたらわかりやすそうです。
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解いた問題
50. Pow(x, n)
使用言語
Ruby
次に解く問題
https://leetcode.com/problems/k-th-symbol-in-grammar/