test/yosupo/vertex_add_subtree_sum.test.cpp

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• Last update: 2024-08-27 15:05:21+09:00
• Problem: https://judge.yosupo.jp/problem/vertex_add_subtree_sum

Depends on

• Heavy Light Decomposition (src/tree/HeavyLightDecomposition.hpp)

Code

#define PROBLEM "https://judge.yosupo.jp/problem/vertex_add_subtree_sum"

#include <iostream>
#include "atcoder/fenwicktree"
#include "tree/HeavyLightDecomposition.hpp"

int main() {
    std::cin.tie(0);
    std::ios::sync_with_stdio(false);
    int N, Q;
    std::cin >> N >> Q;
    std::vector<int> a(N);
    for (int i = 0; i < N; i++) std::cin >> a[i];
    HeavyLightDecomposition HLD(N);
    for (int i = 1; i < N; i++) {
        int p;
        std::cin >> p;
        HLD.add_edge(p, i);
    }
    HLD.build();

    atcoder::fenwick_tree<long long> FT(N);
    for (int i = 0; i < N; i++) FT.add(HLD.idx(i), a[i]);

    for (; Q--;) {
        int t, u;
        std::cin >> t >> u;
        if (!t) {
            int x;
            std::cin >> x;
            FT.add(HLD.idx(u), x);
        } else {
            long long ans = 0;
            auto q = [&](int l, int r) { ans += FT.sum(l, r); };
            HLD.query_subtree(u, q, true);
            std::cout << ans << '\n';
        }
    }
    return 0;
}

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.13.3/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/3.13.3/x64/lib/python3.13/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
    ~~~~~~~~~~~~~~^^^^^^
  File "/opt/hostedtoolcache/Python/3.13.3/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/3.13.3/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: atcoder/fenwicktree: line -1: no such header

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