The main reason why AVL and red-black trees are useful is because:

A. they do much to conserve memory
B. they are always much faster than a binary search tree
C. they are noted for being unbalanced
D. their performance is consistent

D

Computer Science & Information Technology

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An object's ____ to another object refers to how close or how far the other object is.

A. proximity B. logical path C. orientation D. connection

Computer Science & Information Technology

6, 8, 4, 3, and 1 are inserted into a data structure in that order. An item is deleted using only a basic data structure operation. If the deleted item is a 1, the data structure cannot be a

a. vector b. priority queue c. queue d. STL set e. stack

Computer Science & Information Technology