You can use either Merge sort or BIT(refer TopCoder tutorial).
--
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.com>wrote:
> Let A[n] be an array of n distinct number. If i<j 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.
>
> --
> You received this message because you are subscribed to the Google Groups
> "Algorithm Geeks" group.
> To view this discussion on the web visit
> https://groups.google.com/d/msg/algogeeks/-/o7L4RLyUMuQJ.
> To post to this group, send email to algogeeks@googlegroups.com.
> To unsubscribe from this group, send email to
> algogeeks+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/algogeeks?hl=en.
>
--
You received this message because you are subscribed to the Google Groups
"Algorithm Geeks" group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
