98. Validate Binary Search Tree#39
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jjysogfy
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Jun 28, 2026
| ### 正答 | ||
| #### スタックDFS版 | ||
| ```py | ||
| class Solution: |
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見やすくていいと思いました。
ただ個人的には、空行をもう少し減らしたほうが好みです。
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98. Validate Binary Search Tree
次回予告: 102. Binary Tree Level Order Traversal