src/tree/Kruskal.py

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Last update: 2023-06-18 16:34:12+09:00
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Depends on

src/data_structure/UnionFind.py

Verified with

src/$tests/tree/Kruskal.test.py

Code

from src.data_structure.UnionFind import UnionFind


def Kruskal(n, edges, is_sorted=False):
    if n == 1:
        return 0
    if not is_sorted:
        edges.sort(key=lambda x: x[2])
    UF = UnionFind(n)
    res = 0
    for u, v, cost in edges:
        if UF.unite(u, v):
            res += cost
            if UF.group == 1:
                return res
    return -1

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/documentation/build.py", line 81, in _render_source_code_stat
    bundled_code = language.bundle(
                   ^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.11.4/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/python.py", line 108, in bundle
    raise NotImplementedError
NotImplementedError