102. Binary Tree Level Order Traversal - #26
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liquo-rice
reviewed
Jun 5, 2026
| List<Integer> temp = new ArrayList<>(); | ||
| while (nodes.peekFirst() != null | ||
| && nodes.peekFirst().depth == depth) { | ||
| TreeNodeAndDepth nodeAndDepth = nodes.pollFirst(); |
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ありがとうございます、そうですね。
2ndでだいぶ削れたので、修正できている認識です。
上記↑じゃなくて、シンプルにインデントが深いって話ですかね。。
であれば、leetcode のサイト上で解いたので条件箇所と分けるために一段インデント深くしてました。
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後者の意味でした。以下のようにすると良いと思います。
while (nodes.peekFirst() != null
&& nodes.peekFirst().depth == depth) {
TreeNodeAndDepth nodeAndDepth = nodes.pollFirst();
nodchip
reviewed
Jun 8, 2026
| nodes.addLast(root); | ||
| while (!nodes.isEmpty()) { | ||
| int size = nodes.size(); | ||
| List<Integer> tempList = new ArrayList<>(); |
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自分なら valsInLevel と名付けると思います。 vals でも通じると思います。
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102. Binary Tree Level Order Traversalを解きました。