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mamo3gr
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Mar 29, 2026
| max_with_last = max(max_with_last, max_without_last + money) | ||
| return max_with_last, next_max_without_last | ||
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| return max(functools.reduce(visit_next, sequence, (0, 0))) |
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(0, 0) を初期値とする state の正体を読み解くのと、それが引き回されていく様子をイメージするのに手こずりました。sequence も命名の抽象度が上がり分かりにくく感じました。いずれもタイプヒントを書くと多少は助けになるかもしれません。
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なるほど、採用しました。型ヒントは可読性が向上しますね。
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https://leetcode.com/problems/house-robber-ii/submissions/1962278794/