Question: 4 - Inversion : Let A [ 1 . . n ] be an array of n distinct numbers. If A [ i ] >

4- Inversion : Let A[1..n] be an array of n distinct
numbers. If A[i]>A[j](i,j)Ai and A[i]>A[j]
then the pair (i,j)is called an inversion ofA.
A. What array with element from the set {1,2,...,n} has the most inversions? How many does it have?
B.what is the relationship between the running time of insertion sort and the number of inversions in the input array? Justify your answer.
4 - Inversion : Let A [ 1 . . n ] be an array of

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