Use heapsort to put the numbers 8, 2, 6, 1, 5, 9, 7 in decreasing order. You may use either the tree or the array representation. (i) Explain/show clearly how the initial heap is established.  (ii) Show the heap and the partially sorted list obtained at each stage.

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A: Given heap array -  -8,5,-2,9,8,0,1,10,10,12

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A: GIVEN: