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Counting Inversions Adaptively
[article]
2015
arXiv
pre-print
Preserved Fulltext
We give a simple and efficient algorithm for adaptively counting inversions in a sequence of n integers. Our algorithm runs in O(n + n √((Inv/n))) time in the word-RAM model of computation, where Inv is the number of inversions.
arXiv:1503.01192v1
fatcat:url3d2uwyvcojcqg2lysmbna4u