Decode Ways#147
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nodchip
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Jul 12, 2026
| return 0 | ||
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| # パターン1: 1文字としてデコードする | ||
| ans = dfs(i + 1) |
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ans は、設問に対する解答というニュアンスを感じます。このプログラムの世界の外側の世界、 LeetCode の概念が混ざっているように感じられて、違和感を感じます。このプログラムの世界観の中で、この変数の中に格納される値を、端的な英単語・英語句で表した変数名を付けたほうが良いように思います。 num_ways はいかがでしょうか？
| for i in range(len(s)): | ||
| if s[i] == "0": | ||
| continue | ||
| dp[i+1] += dp[i] |
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こちらのコメントをご参照ください。
mt2324/leetcode#2 (comment)
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https://leetcode.com/problems/decode-ways/description/