test/aoj/jag/dynamic_union_find.test.cpp

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• Last update: 2025-06-13 13:22:21+09:00
• Problem: https://onlinejudge.u-aizu.ac.jp/problems/2995

Depends on

• 重み付きグラフ (lib/graph/graph.hpp)
• lib/template/template.hpp
• DSU on Tree (lib/tree/dsu_on_tree.hpp)
• 動的Union-Find (lib/tree/dynamic_union_find.hpp)

Code

// competitive-verifier: PROBLEM https://onlinejudge.u-aizu.ac.jp/problems/2995
#include "tree/dynamic_union_find.hpp"
#include <iostream>
#include <unordered_map>
#include <utility>
#include <vector>
#include "graph/graph.hpp"
#include "tree/dsu_on_tree.hpp"

int main(void) {
    int n, k;
    std::cin >> n >> k;
    Graph<void> g(n);
    g.input_edges(n - 1);
    dsu_on_tree dsu(g);
    std::vector<std::pair<int, int>> a(n);
    for (auto &[x, y] : a) std::cin >> x >> y, --x, --y;
    std::vector<int> ans(n);
    int sum = 0;
    dynamic_union_find duf;
    std::unordered_map<int, bool> flag;
    auto rem = [&](int x) { ans[x] = sum; };
    auto clear = [&]() {
        sum = 0;
        duf.clear();
        flag.clear();
    };
    auto f = [&](int x, int y) {
        if (x == y) {
            if (!flag[x]) {
                ++sum;
                flag[x] = true;
            }
        } else {
            if (!flag[x] || !flag[y]) ++sum;
            flag[x] |= flag[y];
        }
    };
    auto query = [&](int v) {
        auto [s, t] = a[v];
        duf.unite(s, t, f);
    };
    dsu.solve(rem, clear, query);
    for (int i = 0; i < n; ++i) std::cout << ans[i] << '\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: tree/dynamic_union_find.hpp: line -1: no such header

Test cases

Env	Name	Status	Elapsed	Memory
g++	00_sample_00	AC	2 ms	4 MB
g++	00_sample_01	AC	2 ms	4 MB
g++	00_sample_02	AC	2 ms	4 MB
g++	01_small_01	AC	2 ms	4 MB
g++	01_small_02	AC	2 ms	4 MB
g++	02_mid_01	AC	5 ms	4 MB
g++	02_mid_02	AC	5 ms	4 MB
g++	03_large_01	AC	364 ms	15 MB
g++	03_large_02	AC	604 ms	22 MB
g++	04_max_01	AC	635 ms	16 MB
g++	04_max_02	AC	594 ms	18 MB
g++	05_line_01	AC	179 ms	48 MB
g++	05_line_02	AC	212 ms	39 MB
g++	06_uni_01	AC	149 ms	22 MB
g++	06_uni_02	AC	117 ms	14 MB
g++	07_mukade_01	AC	1048 ms	23 MB
g++	07_mukade_02	AC	418 ms	16 MB
g++	08_long_01	AC	173 ms	29 MB
g++	08_long_02	AC	501 ms	30 MB
g++	09_binary_01	AC	1221 ms	19 MB
g++	09_binary_02	AC	936 ms	19 MB
g++	10_knary_01	AC	209 ms	23 MB
g++	10_knary_02	AC	194 ms	16 MB
g++	11_one_01	AC	141 ms	23 MB
g++	11_one_02	AC	183 ms	34 MB
g++	11_one_03	AC	1209 ms	22 MB
g++	11_one_04	AC	179 ms	14 MB
g++	11_one_05	AC	870 ms	23 MB
g++	11_one_06	AC	200 ms	53 MB
g++	11_one_07	AC	143 ms	22 MB
g++	11_one_08	AC	142 ms	26 MB
g++	11_one_09	AC	689 ms	23 MB
g++	11_one_10	AC	403 ms	22 MB
g++	11_one_11	AC	566 ms	19 MB
g++	11_one_12	AC	149 ms	44 MB
g++	11_one_13	AC	143 ms	23 MB
g++	11_one_14	AC	185 ms	34 MB
g++	11_one_15	AC	1231 ms	20 MB
g++	11_one_16	AC	180 ms	14 MB
g++	12_few_01	AC	717 ms	19 MB
g++	12_few_02	AC	189 ms	49 MB
g++	12_few_03	AC	122 ms	17 MB
g++	12_few_04	AC	165 ms	29 MB
g++	12_few_05	AC	1228 ms	22 MB
g++	12_few_06	AC	772 ms	20 MB
g++	13_some_01	AC	691 ms	19 MB
g++	13_some_02	AC	199 ms	50 MB
g++	13_some_03	AC	138 ms	19 MB
g++	13_some_04	AC	193 ms	35 MB
g++	13_some_05	AC	829 ms	20 MB
g++	13_some_06	AC	1124 ms	19 MB
g++	14_many_01	AC	568 ms	22 MB
g++	14_many_02	AC	202 ms	53 MB
g++	14_many_03	AC	139 ms	22 MB
g++	14_many_04	AC	193 ms	35 MB
g++	14_many_05	AC	1224 ms	20 MB
g++	14_many_06	AC	759 ms	22 MB

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