122. Best Time to Buy and Sell Stock II#36
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arahi10
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Apr 28, 2026
| class Solution { | ||
| public: | ||
| int maxProfit(vector<int>& prices) { | ||
| int hold = -prices[0]; |
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入力配列の長さをチェックすると，LeetCodeの問題が置く制約を満たさないような入力に対しても正常に動く実装になりますね．エラーを返す実装でもいいと思います．
arahi10
reviewed
Apr 28, 2026
| class Solution { | ||
| public: | ||
| int maxProfit(vector<int>& prices) { | ||
| int hold = -prices[0]; |
There was a problem hiding this comment.
動詞の原形から始まる変数名は関数名のような印象を受けます． holding と not_holding などはいかがでしょうか？
arahi10
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Apr 28, 2026
arahi10
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arahi10
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コメントつけました．(自分はまだこの問題でコーディング練習をしていませんが．．．．)
よろしくお願いいたします．
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この問題：https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/
次に解く問題：https://leetcode.com/problems/word-break/description/