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A normal queue, if implemented using an array of size MAX_SIZE, gets full when?

(a) Rear = MAX_SIZE – 1

(b) Front = (rear + 1)mod MAX_SIZE

(c) Front = rear + 1

(d) Rear = front

Question is taken from Queue Operations topic in division Abstract Data Types of Data Structures & Algorithms I

The question was posed to me in my homework.

1 Answer

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Best answer
Correct answer is (a) Rear = MAX_SIZE – 1

Easy explanation - When Rear = MAX_SIZE – 1, there will be no space left for the elements to be added in queue. Thus queue becomes full.

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