The return type of the peek() operation in the array-based and pointer-based implementations of a stack is

a. ItemType
b. bool
c. int
d. assert

a. ItemType

Computer Science & Information Technology

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Computer Science & Information Technology

A(n) _________________ BST is a BST is which insertions, retrievals, and removals are all done in O( n ) time, using the best possible time complexity that applies.

A. slow B. balanced C. unbalanced D. linear

Computer Science & Information Technology