【Arai60】27問目 103. Binary Tree Zigzag Level Order Traversal#27
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shining-ai merged 3 commits intomainfrom Jun 29, 2024
Merged
【Arai60】27問目 103. Binary Tree Zigzag Level Order Traversal#27shining-ai merged 3 commits intomainfrom
shining-ai merged 3 commits intomainfrom
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hayashi-ay
reviewed
Mar 16, 2024
| node_queue.append(node.left) | ||
| if node.right: | ||
| node_queue.append(node.right) | ||
| if level % 2 == 1: |
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これは好みですね。
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| if level % 2 == 1: | |
| if level % 2: |
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なるほど、確かにその書き方もできますね。
この選択肢は頭にありませんでした。
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| node = node_queue.popleft() | ||
| nodes.append(node.val) |
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このnodeとこのnodesで中の値が違うのがちょっと気になる気もします。nodesなのでTreeNodeのlistなのかなと思いきや実際にはintの配列なので。
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nodesは誤解される名前でしたね。
values_in_levelにしてみます。
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問題
https://leetcode.com/problems/binary-tree-zigzag-level-order-traversal/