Explain How a Queue Can Be Implemented Using an Array

question 17

Essay

Explain how a queue can be implemented using an array, where the enqueue and the dequeue operations are both constant time operations (for simplicity, we'll assume we will never need to expand the capacity of the array).

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Definitions:

Contrapositive

A logical statement derived from another by negating and swapping its terms, proving the original statement if true.

Credibility

The quality of being trusted and believed in.

Useless

Lacking usefulness or efficacy; not producing the desired effect or having no practical value.

Antecedent

The earlier element in a logical statement, usually preceding the consequence in a conditional sentence.