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mamo3gr
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Mar 29, 2026
| max_price_in_current_or_future = -float("inf") | ||
| max_profits = [] | ||
| for price in prices[::-1]: | ||
| max_price_in_current_or_future = max(max_price_in_current_or_future, price) |
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in_current_or_future の意味を考えてしまいました。この短さなら max_price でもいいかもしれません。逆順に見ている文脈もすぐ上にありますし。
mamo3gr
reviewed
Mar 29, 2026
| max_profits = [] | ||
| for price in prices[::-1]: | ||
| max_price_in_current_or_future = max(max_price_in_current_or_future, price) | ||
| max_profits.append(max_price_in_current_or_future - price) |
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これは、max_profit: int を更新していくのではダメでしたっけ。過去のmaxをlistで保持しておく必要が無い気がしました。
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https://leetcode.com/problems/best-time-to-buy-and-sell-stock/submissions/1962585564/