Create 104. Maximum Depth of Binary Tree.md#6
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hayashi-ay
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May 4, 2024
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ご指摘のとおりですね。DFSでした。
BFSにするには、.pop(0)ですね。細かいところまで見て頂いてありがとうございます。
hayashi-ay
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教科書的なPreorderのDFSだと左側のノードから見ると思うので、node_stackに追加する順番が逆の方が個人的には好みです。
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なるほどです。こちらも参考になります。確かにその方が良いですね。
ありがとうございます。
Mike0121
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https://leetcode.com/problems/maximum-depth-of-binary-tree/description/?envType=list&envId=rbx9vwti