test/yosupo/unionfind.test.cpp

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Last update: 2024-04-07 17:26:46+09:00
Problem: https://judge.yosupo.jp/problem/unionfind

Depends on

Union Find (Disjoint Set Union) (src/datastructure/UnionFind.hpp)

Code

#define PROBLEM "https://judge.yosupo.jp/problem/unionfind"

#include "datastructure/UnionFind.hpp"
#include <iostream>

int main() {
    std::cin.tie(0);
    std::ios::sync_with_stdio(false);
    int N, Q;
    std::cin >> N >> Q;

    UnionFind UF(N);
    for (; Q--;) {
        int t, u, v;
        std::cin >> t >> u >> v;
        if (!t)
            UF.merge(u, v);
        else
            std::cout << UF.same(u, v) << '\n';
    }
}

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.13.3/x64/lib/python3.13/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
    bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
                   ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.13.3/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
    ~~~~~~~~~~~~~~^^^^^^
  File "/opt/hostedtoolcache/Python/3.13.3/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
                ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.13.3/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 260, in _resolve
    raise BundleErrorAt(path, -1, "no such header")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: datastructure/UnionFind.hpp: line -1: no such header