How would you print out the data in a binary tree, level by
level, starting at the top?
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Answer Posted / ds
Use a queue to achieve this.
1. push root to queue
2. if root!=NULL, pop root and print data.
3. visit left child and right child of root and push them to
queue
4. pop leftchild from queue , print data, push left and
right child.
5. pop rightchild from queue, print data, push left and
right child.
6. carry on till queue is empty.
| Is This Answer Correct ? | 34 Yes | 7 No |
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