Benny Chin wcchin
artkpv
/ union_find.py
Last active
February 15, 2021 12:03
Union-Find in Python (weighted, path compression, connected components)
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| class UnionFind: | |
| """Weighted quick-union with path compression and connected components. | |
| The original Java implementation is introduced at | |
| https://www.cs.princeton.edu/~rs/AlgsDS07/01UnionFind.pdf | |
| >>> uf = UnionFind(10) | |
| >>> for (p, q) in [(3, 4), (4, 9), (8, 0), (2, 3), (5, 6), (5, 9), | |
| ... (7, 3), (4, 8), (6, 1)]: | |
| ... uf.union(p, q) |