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In a binary tree, what does a level-order traversal use to keep track of nodes?
In a binary tree, what does a level-order traversal use to keep track of nodes?
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In a binary tree, what does a level-order traversal use to keep track of nodes?
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Level-order traversal uses a queue to keep track of nodes at each level as it processes them.
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Q: In a binary tree, what does a level-order traversal use to keep track of nodes?
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Level-order traversal uses a queue to keep track of nodes at each level as it processes them.
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