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Competitive Programming in Haskell: Union-Find (byorgey.github.io)

submitted 3 weeks ago by Noughtmare to c/haskell

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[–] [email protected] 2 points 2 weeks ago (1 children)

The Wikipedia article discusses some applications. One amazing thing I remembered about the algorithm is its running time, which is infinitesimally slower than linear, by which I mean that the growth factor above linear is the inverse Ackermann function! I've never studied the analysis but I found the result to be mind boggling.

https://en.wikipedia.org/wiki/Disjoint-set_data_structure

[–] Noughtmare 1 points 2 weeks ago

Thanks, I did look at the Wikipedia page, but the Applications section is pretty difficult to read. The applications it lists are themselves quite abstract problems.