Question 12 Heap-sort pseudo-code is given below. What would happen if we remove line 4 from the pseudocode? HEAPSORT(A) 1 BUILD-MAX-HEAP(A) 2 for i = A.length downto 2 3 exchange A[1] with A[i] 4 A.heapSize = A.heapSize - 1 5 MAX-HEAPIFY(A, 1)

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Heap Sort

A Heap is a type of data structure that is built on trees. It's a binary tree that's virtually complete. Except for the very bottom level, all levels of the tree must be filled in a heap. The last (bottom) level should be filled from left to right. The heap data structure is used for the efficient implementation of priority queues.Heap can be of two types: