Let A[n] be an array of n distinct number. If ij and A[i] A[j] then the
pair (i , j) is called inversion of A.
Give an algorithm that determines the total number of inversions in
O(nlogn) time.
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You can use either Merge sort or BIT(refer TopCoder tutorial).
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Prakhar Jain
IIIT Allahabad
B.Tech IT 3rd Year
Mob no: +91 9454992196
E-mail: rit2009...@iiita.ac.in
jprakha...@gmail.com
On Sun, Jul 8, 2012 at 11:31 AM, Navin Kumar algorithm.i...@gmail.comwrote:
Let A[n] be an
Try like merge sort.
http://www.geeksforgeeks.org/archives/3968
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