This documentation is automatically generated by online-judge-tools/verification-helper
#include <clocale>
#define PROBLEM "https://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=2235"
#include "../disjoint_set/rollback_disjoint_set.hpp"
#include "../graph/offline_dynamic_connectivity.hpp"
#include <bits/stdc++.h>
int main() {
std::cin.tie(0)->sync_with_stdio(0);
int n, k;
std::cin >> n >> k;
offline_dynamic_connectivity<rollback_disjoint_set> dc(n);
std::vector<std::pair<int, int>> q;
dc.reserve(k);
q.reserve(k);
while (k--) {
int t, u, v;
std::cin >> t >> u >> v;
switch (t) {
case 1:
case 2:
dc.toggle_edge(u, v);
break;
case 3:
q.emplace_back(u, v);
dc.snapshot();
break;
}
}
auto result = dc.solve([&](const auto &dsu, int i) {
auto [u, v] = q[i];
return dsu.same(u, v);
});
for (auto b : result) {
std::cout << (b ? "YES\n" : "NO\n");
}
}
Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.13.7/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/3.13.7/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
bundler.update(path)
~~~~~~~~~~~~~~^^^^^^
File "/opt/hostedtoolcache/Python/3.13.7/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/3.13.7/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: ../disjoint_set/rollback_disjoint_set.hpp: line -1: no such header