test/yukicoder/0416.test.cpp

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• Last update: 2026-02-17 02:03:35+09:00
• Problem: https://yukicoder.me/problems/no/416

Depends on

• 部分永続Union-Find (lib/persistent_ds/partially_persistent_union_find.hpp)

Code

// competitive-verifier: PROBLEM https://yukicoder.me/problems/no/416
#include <algorithm>
#include <cmath>
#include <iostream>
#include <set>
#include <utility>
#include <vector>
#include "persistent_ds/partially_persistent_union_find.hpp"

int main(void) {
    int n, m, q;
    std::cin >> n >> m >> q;
    std::vector<std::pair<int, int>> es(m);
    for (auto &[a, b] : es) std::cin >> a >> b;
    std::vector<std::pair<int, int>> queries(q);
    for (auto &[a, b] : queries) std::cin >> a >> b;
    std::reverse(queries.begin(), queries.end());
    std::set<std::pair<int, int>> st(queries.begin(), queries.end());

    partially_persistent_union_find uf(n);
    for (auto [a, b] : es) {
        if (!st.count({a, b})) uf.unite(a - 1, b - 1);
    }
    for (auto [a, b] : queries) uf.unite(a - 1, b - 1);

    for (int i = 1; i < n; ++i) {
        if (!uf.same(0, i)) {
            std::cout << 0 << '\n';
            continue;
        }
        if (uf.same(0, i, m - q)) {
            std::cout << -1 << '\n';
            continue;
        }
        auto check = [&](int mid) { return !uf.same(0, i, m - mid); };
        int l = q, r = -1;
        while (std::abs(l - r) > 1) {
            int mid = (l + r) / 2;
            (check(mid) ? l : r) = mid;
        }
        std::cout << l << '\n';
    }

    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/partially_persistent_union_find.hpp: line -1: no such header

Test cases

Env	Name	Status	Elapsed	Memory
g++	98_challenge01	AC	107 ms	16 MB
g++	in1	AC	2 ms	4 MB
g++	in2	AC	2 ms	3 MB
g++	in3	AC	2 ms	4 MB
g++	in4	AC	2 ms	3 MB
g++	in5	AC	2 ms	4 MB
g++	in6	AC	2 ms	4 MB
g++	in7	AC	3 ms	4 MB
g++	in8	AC	5 ms	4 MB
g++	in9	AC	16 ms	5 MB
g++	line1	AC	121 ms	16 MB
g++	line11	AC	131 ms	18 MB
g++	line2	AC	125 ms	16 MB
g++	line21	AC	105 ms	16 MB
g++	line31	AC	292 ms	23 MB
g++	line32	AC	287 ms	23 MB
g++	line33	AC	284 ms	23 MB
g++	line34	AC	286 ms	23 MB
g++	line35	AC	289 ms	23 MB
g++	line41	AC	181 ms	16 MB
g++	line42	AC	184 ms	16 MB

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