test/yosupo/data_structure/dynamic_tree_vertex_add_path_sum.test.cpp

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• Last update: 2026-03-15 03:14:58+09:00
• Problem: https://judge.yosupo.jp/problem/dynamic_tree_vertex_add_path_sum

Depends on

• lib/segtree/monoid.hpp
• lib/template/template.hpp
• Link-Cut Tree (lib/tree/link_cut_tree.hpp)

Code

// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/dynamic_tree_vertex_add_path_sum
#include <algorithm>
#include <cstdint>
#include <iostream>
#include <iterator>
#include <vector>
#include "tree/link_cut_tree.hpp"

int main(void) {
    int n, q;
    std::cin >> n >> q;
    std::vector<int> a(n);
    for (auto &e : a) std::cin >> e;
    link_cut_tree<Add<std::int64_t>> lct(n);
    for (int i = 0; i < n; ++i) lct.set(i, a[i]);
    for (int i = 0; i < n - 1; ++i) {
        int u, v;
        std::cin >> u >> v;
        lct.link(u, v);
    }

    while (q--) {
        int t;
        std::cin >> t;
        if (t == 0) {
            int u, v, w, x;
            std::cin >> u >> v >> w >> x;
            lct.cut(u, v);
            lct.link(w, x);
        } else if (t == 1) {
            int p, x;
            std::cin >> p >> x;
            lct.set(p, lct.get_value(p) + x);
        } else if (t == 2) {
            int u, v;
            std::cin >> u >> v;
            lct.make_root(u);
            lct.expose(v);
            std::cout << lct.get_total(v) << '\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/link_cut_tree.hpp: line -1: no such header

Test cases

Env	Name	Status	Elapsed	Memory
g++	almost_line_00	AC	843 ms	18 MB
g++	almost_line_01	AC	851 ms	18 MB
g++	example_00	AC	2 ms	3 MB
g++	issue_1216_00	AC	505 ms	18 MB
g++	max_random_00	AC	660 ms	18 MB
g++	max_random_01	AC	644 ms	18 MB
g++	max_random_02	AC	700 ms	18 MB
g++	random_00	AC	432 ms	13 MB
g++	random_01	AC	477 ms	14 MB
g++	random_02	AC	253 ms	7 MB
g++	random_03	AC	242 ms	16 MB
g++	random_04	AC	171 ms	5 MB
g++	small_00	AC	4 ms	4 MB
g++	small_01	AC	3 ms	4 MB
g++	small_02	AC	3 ms	4 MB

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