If a Binary Search Tree Becomes Unbalanced After an Element

question 18

Multiple Choice

If a binary search tree becomes unbalanced after an element is added, it is sometimes possible to efficiently rebalance the tree by ___________________ .

• A) using left and right rotations
• B) selecting a leaf node to use as a new root
• C) reconstructing the tree from scratch
• D) all of the above
• E) it is impossible to rebalance a tree efficiently

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Definitions:

Economic Profits

The difference between a firm's total revenues and its total costs, including both explicit and implicit costs, representing the gains from its operations.

Marginal Revenue

The additional income earned by selling one more unit of a product or service.

Toys

Objects designed for play, typically used by children, that can range from simple handmade items to complex electronic gadgets.

Demand Schedule

A chart displaying how much of a product consumers are ready and able to buy at different price points.