Question: Why do we want the loop index i in line 2 of BUILD-MAX-HEAP to decrease from A.length/2 to 1 rather than increase from 1 to

Why do we want the loop index i in line 2 of BUILD-MAX-HEAP to decrease from ⌊A.length/2⌋ to 1 rather than increase from 1 to ⌊A.length/2⌋?

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