Multiple Choice
Which of the following statements about the three tree traversal schemes studied is correct?
A) Preorder traversal is used for evaluating arithmetic expression trees on a stack-based calculator.
B) Postorder traversal is used for evaluating arithmetic expression trees on a stack-based calculator.
C) Preorder traversal is used for removing file directories by removing subdirectories first.
D) Postorder traversal is used for copying file directories.
Correct Answer:
Verified
Correct Answer:
Verified
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