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What he's effectively doing (albeit a little indirectly) is first comparing the input array with an asc-sorted reference, then with a desc-sorted reference and taking the smallest number of swaps of the two. That's how I did it.
Lily's Homework
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What he's effectively doing (albeit a little indirectly) is first comparing the input array with an asc-sorted reference, then with a desc-sorted reference and taking the smallest number of swaps of the two. That's how I did it.