108. Convert Sorted Array to Binary Search Tree#24
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nodchip
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Jul 9, 2026
| ```python | ||
| class Solution: | ||
| def sortedArrayToBST(self, nums: list[int]) -> Optional[TreeNode]: | ||
| def interval_to_BST(head, tail) -> Optional[TreeNode]: |
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head と tail は、リンクトリストの先頭と末尾のノードを表す単語だと思います。先頭のインデックスと末尾の次のインデックスを表す場合には、あまり使わないように思います。 begin/end はいかがでしょうか?
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head と tail は、リンクトリストの先頭と末尾のノードを表す単語だと思います。先頭のインデックスと末尾の次のインデックスを表す場合には、あまり使わないように思います。
ありがとうございます。
そうでしたか。
確かに他の方のコードでは left/right や start/end, begin/end がよく出てきていました。
begin/end を使うようにします。
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この問題:https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/
次の問題:https://leetcode.com/problems/path-sum/