Perform hierarchical traversal of the following binary tree:对以下二叉树进行层次遍历:
The element in the queue when node F is about to dequeue is from the head to the end of the queue:节点F正欲出队时队列中的元素从队头到队尾为:
AF
BF,G
CE,F
DE,F,G
Perform hierarchical traversal of the following binary tree:对以下二叉树进行层次遍历:
The element in the queue when node F is about to dequeue is from the head to the end of the queue:节点F正欲出队时队列中的元素从队头到队尾为:
AF
BF,G
CE,F
DE,F,G
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