test/yosupo/data_structure/persistent_union_find.test.cpp

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• Last update: 2025-11-08 10:27:08+09:00
• Problem: https://judge.yosupo.jp/problem/persistent_unionfind

Depends on

• 永続配列 (lib/persistent_ds/persistent_array.hpp)
• 永続Union-Find (lib/persistent_ds/persistent_union_find.hpp)

Code

// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/persistent_unionfind
#include "persistent_ds/persistent_union_find.hpp"
#include <iostream>
#include <vector>

int main(void) {
    int n, q;
    std::cin >> n >> q;
    std::vector<persistent_union_find> ufs;
    ufs.emplace_back(n);
    while (q--) {
        int t, k, u, v;
        std::cin >> t >> k >> u >> v;
        if (t == 0) {
            ufs.emplace_back(ufs[k + 1].unite(u, v));
        } else {
            std::cout << ufs[k + 1].same(u, v) << '\n';
            ufs.emplace_back();
        }
    }

    return 0;
}

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/resolver.py", line 291, in resolve
    bundled_code = language.bundle(path, basedir=basedir)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus.py", line 242, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 479, in update
    self._resolve(pathlib.Path(included), included_from=path)
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 286, in _resolve
    raise BundleErrorAt(path, -1, "no such header")
competitive_verifier.oj.verify.languages.cplusplus_bundle.BundleErrorAt: persistent_ds/persistent_union_find.hpp: line -1: no such header

Test cases

Env	Name	Status	Elapsed	Memory
g++	conchon_filliatre_tle_00	AC	509 ms	261 MB
g++	conchon_filliatre_tle_01	AC	540 ms	261 MB
g++	example_00	AC	2 ms	4 MB
g++	hand_00	AC	2 ms	4 MB
g++	max_random_00	AC	664 ms	321 MB
g++	max_random_01	AC	621 ms	322 MB
g++	max_random_02	AC	647 ms	322 MB
g++	max_random_03	AC	639 ms	322 MB
g++	max_random_04	AC	647 ms	321 MB
g++	random_00	AC	460 ms	214 MB
g++	random_01	AC	470 ms	237 MB
g++	random_02	AC	315 ms	106 MB
g++	random_03	AC	175 ms	154 MB
g++	random_04	AC	174 ms	34 MB

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