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Heap, 2- top-down heap construction ( less efficient), Heapsort - Coggle…

- - - - 3- Adding a new item to a multiset
- - - - 3- A node of a heap considered with all its descendants is also a heap.
        
        4- A heap can be implemented as an array by recording its elements in the topdown, left-to-right fashion. It is convenient to storepositions 1 through n of such an array, leaving H[0] either unused or puttingthere a sentinel whose value is greater than every element in the heap. In sucha representation,