test/yukicoder/0583.test.cpp

• View this file on GitHub
• Last update: 2026-02-17 02:03:35+09:00
• Problem: https://yukicoder.me/problems/no/583

Depends on

• flip set (lib/data_structure/flip_set.hpp)
• 素集合データ構造 (lib/tree/union_find.hpp)

Code

// competitive-verifier: PROBLEM https://yukicoder.me/problems/no/583
#include <iostream>
#include <set>
#include "data_structure/flip_set.hpp"
#include "tree/union_find.hpp"

int main(void) {
    int n, m;
    std::cin >> n >> m;
    flip_set<int> fs;
    std::set<int> st;
    union_find uf(n);
    while (m--) {
        int a, b;
        std::cin >> a >> b;
        fs.flip(a);
        fs.flip(b);
        st.emplace(a);
        st.emplace(b);
        uf.unite(a, b);
    }

    if (uf.size(*st.begin()) == (int)st.size() && fs.size() <= 2) {
        std::cout << "YES\n";
    } else {
        std::cout << "NO\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: data_structure/flip_set.hpp: line -1: no such header

Test cases

Env	Name	Status	Elapsed	Memory
g++	sample1	AC	2 ms	4 MB
g++	sample2	AC	2 ms	3 MB
g++	sample3	AC	2 ms	3 MB
g++	test1	AC	2 ms	4 MB
g++	test10	AC	27 ms	4 MB
g++	test11	AC	27 ms	3 MB
g++	test12	AC	27 ms	3 MB
g++	test13	AC	34 ms	4 MB
g++	test14	AC	63 ms	4 MB
g++	test15	AC	76 ms	4 MB
g++	test16	AC	76 ms	4 MB
g++	test2	AC	2 ms	3 MB
g++	test3	AC	2 ms	4 MB
g++	test4	AC	2 ms	4 MB
g++	test5	AC	2 ms	4 MB
g++	test6	AC	2 ms	4 MB
g++	test7	AC	2 ms	3 MB
g++	test8	AC	2 ms	4 MB
g++	test9	AC	20 ms	4 MB

Back to top page