Let us heap sort the list L ={D, B, G, E, A, H, C, F} made use of in Example 17.16. The first phase of heap sort is to construct a heap out of the list. The heap constructed for the list L List L: DBGEAH 2 3 4 5 6 Initial heap L

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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: