Inversion Count for an array indicates – how far (or close) the
array is from being sorted. If array is already sorted then
inversion count is 0. If array is sorted in reverse order that
inversion count is maximum. Formally speaking, two elements a[i]
and a[j] form an inversion if a[i] > a[j] and i < j
Example: The sequence 2, 4, 1, 3, 5 has three inversions (2, 1),
(4, 1), (4, 3).
What would the complexity of a...