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What is the space complexity of searching in a heap?

(a) O(logn)

(b) O(n)

(c) O(1)

(d) O(nlogn)

This interesting question is from Binary Heap topic in portion Heap of Data Structures & Algorithms I

I had been asked this question in an interview for internship.

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The correct choice is (b) O(n)

Easiest explanation - The space complexity of searching an element in heap is O (n). Heap consists of n elements and we need to compare every element. Here no addition or deletion of elements takes place. Hence space complexity is O (n).

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