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What is the time taken to copy elements to and from two arrays created for deletion?

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in Data Structures & Algorithms II by (111k points)
What is the time taken to copy elements to and from two arrays created for deletion?

(a) O(N)

(b) O(N log N)

(c) O(log N)

(d) O(N^2)

The question was posed to me in an international level competition.

This intriguing question comes from Heapsort in section Sorting of Data Structures & Algorithms II

1 Answer

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Best answer
Right choice is (a) O(N)

Best explanation: The time taken to copy elements to and from the main array and extra array is found to be O(N).

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