111. Minimum Depth of Binary Tree #36
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oda
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Jan 19, 2025
| if (!node) { | ||
| continue; | ||
| } | ||
| if (!(node->left || node->right)) { |
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私は、
!node->left && !node->rightのほうが好きですが、趣味の範囲でしょうか。
この問題がこれくらいで書けていたら特に問題ないと思います。
| nodes_and_depths.emplace(node->left, depth + 1); | ||
| nodes_and_depths.emplace(node->right, depth + 1); | ||
| } | ||
| return 0; |
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ここがでてくるのは、root == nullptr のときだけでしょうか。一番上にするのも一つかなと思います。
|
いいと思います。あとは深さごとのノードをひとまとめの配列にして更新していく方法があると思います |
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https://leetcode.com/problems/minimum-depth-of-binary-tree/description/
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