206. Reverse Linked List #8
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oda
reviewed
Jun 12, 2024
| if (!head || !head->next) return head; | ||
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| ListNode* new_head = reverseList(head->next); | ||
| head->next->next = head; |
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私、head->next がお尻になることを考えさせないほうが負荷が軽いと思うんですよね。どこかでその議論をしていたはずです。
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なるほど。確かに返り値で次に処理すべきノードを返してあげれば脳の負担が減ります。
この考え方でも実装してみます。
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liquo-rice
reviewed
Jun 12, 2024
| ListNode* previous_node = nullptr; | ||
| ListNode* node = head; | ||
| while (node) { | ||
| ListNode* temp = node->next; |
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一時的な保存に使っているのでtempとしていました。見直してみます。
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問題へのリンク
https://leetcode.com/problems/reverse-linked-list/description/
次に解く問題
703. Kth Largest Element in a Stream
README.mdへ頭の中の言語化と記録をしています。