Q.The minimum number of inter changes needed to convert the array : 89, 19, 40, 17, 12, 10, 2, 5, 7, 11, 6, 9, 70 into heap with maximum element at the root is: 89, 19, 40, 17, 12, 10, 2, 5, 7, 11, 6, 9, 70……..
Correct answer: 2
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