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krahets
2024-04-13 21:17:44 +08:00
parent 9332a91e26
commit 6afa70e7bc
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docs/chapter_tree/binary_tree_traversal.md
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@ -305,7 +305,7 @@ comments: true
val list = mutableListOf<Int>()
while (queue.isNotEmpty()) {
val node = queue.poll() // 队列出队
list.add(node?._val!!) // 保存节点值
list.add(node?._val!!) // 保存节点值
if (node.left != null)
queue.offer(node.left) // 左子节点入队
if (node.right != null)