test/yosupo/structure/persistent_unionfind.test.cpp

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• Last update: 2024-12-26 20:32:55+09:00
• Problem: https://judge.yosupo.jp/problem/persistent_unionfind

Depends on

• 基本テンプレート (daylight/base.hpp)
• スナップショットを撮って，その時点までロールバックできるDSU (daylight/structure/rollback_dsu.hpp)

Code

#define PROBLEM \
	"https://judge.yosupo.jp/problem/persistent_unionfind"
#include "daylight/base.hpp"
#include "daylight/structure/rollback_dsu.hpp"

int main() {
	int N, Q;
	cin >> N >> Q;
	using T = tuple<int, int, int, int>;
	vector<T> queries(Q);
	map<int, vi> M;
	map<int, vi> G;
	REP(q, Q) {
		int t, k, u, v;
		cin >> t >> k >> u >> v;
		queries[q] = { t, k, u, v };
		if(t == 1)
			M[k].push_back(q);
		else
			G[k].push_back(q);
	}
	rollback_dsu dsu(N);
	vi ans(Q, -1);
	auto dfs = [&](auto f, int cur = -1) -> void {
		if(cur >= 0) {
			auto [t, k, u, v] = queries[cur];
			dsu.merge(u, v);
		}
		for(auto q: M[cur]) {
			ans[q] = dsu.same(get<2>(queries[q]),
							  get<3>(queries[q]));
		}
		for(auto to: G[cur]) {
			f(f, to);
		}
		if(cur >= 0) dsu.undo();
	};
	dfs(dfs);
	REP(i, Q) {
		if(ans[i] != -1) cout << ans[i] << endl;
	}
}

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.10/site-packages/competitive_verifier/oj_resolve/resolver.py", line 181, in resolve
    bundled_code = language.bundle(path, basedir=basedir)
  File "/home/runner/.local/lib/python3.10/site-packages/competitive_verifier/oj/verify/languages/cplusplus.py", line 252, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.10/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 482, in update
    self.update(
  File "/home/runner/.local/lib/python3.10/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 477, in update
    raise BundleErrorAt(
competitive_verifier.oj.verify.languages.cplusplus_bundle.BundleErrorAt: daylight/base.hpp: line 103: unable to process #include in #if / #ifdef / #ifndef other than include guards

Test cases

Env	Name	Status	Elapsed	Memory
g++	conchon_filliatre_tle_00	AC	263 ms	44 MB
g++	conchon_filliatre_tle_01	AC	270 ms	44 MB
g++	example_00	AC	6 ms	3 MB
g++	hand_00	AC	6 ms	3 MB
g++	max_random_00	AC	292 ms	45 MB
g++	max_random_01	AC	297 ms	46 MB
g++	max_random_02	AC	303 ms	45 MB
g++	max_random_03	AC	296 ms	46 MB
g++	max_random_04	AC	311 ms	45 MB
g++	random_00	AC	220 ms	35 MB
g++	random_01	AC	219 ms	35 MB
g++	random_02	AC	192 ms	28 MB
g++	random_03	AC	44 ms	9 MB
g++	random_04	AC	142 ms	24 MB

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