test/library-checker/Tree/vertex_set_path_composite.test.cpp

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• Last update: 2025-11-24 18:49:07+09:00
• Problem: https://judge.yosupo.jp/problem/vertex_set_path_composite

Depends on

• build/pch/stdc++.hpp
• library/algebra/Reverse.hpp
• library/algebra/group/Affine.hpp
• library/algebra/monoid/Concepts.hpp
• library/graph/Graph.hpp
• library/linearalgebra/Linear.hpp
• library/math/ExtraGCD.hpp
• library/mod/Modint.hpp
• library/segtree/SegmentTree.hpp
• library/tree/HLD.hpp
• library/tree/Tree.hpp
• library/tree/TreeMonoid.hpp

Code

#define PROBLEM "https://judge.yosupo.jp/problem/vertex_set_path_composite"
#include <bits/stdc++.h>

#include "library/algebra/group/Affine.hpp"
#include "library/mod/Modint.hpp"
#include "library/tree/Tree.hpp"
#include "library/tree/TreeMonoid.hpp"
using mint = Mint<long long>;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    using G = AlgebraReverse<GroupAffine<mint>>;
    using F = G::value_type;

    int n, q;
    std::cin >> n >> q;

    std::vector<F> f(n);
    for (int i = 0; i < n; i++)
        std::cin >> f[i];

    Tree t(n);
    t.scan(0);

    TreeMonoid<Tree, G> TM(t, f);

    while (q--) {
        int c;
        std::cin >> c;
        if (c) {
            int u, v, x;
            std::cin >> u >> v >> x;
            F g = TM.path_prod(u, v);
            std::cout << g(x) << std::endl;
        } else {
            int p;
            std::cin >> p;
            F f;
            std::cin >> f;
            TM.set(p, f);
        }
    }
}

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.14.0/x64/lib/python3.14/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/3.14.0/x64/lib/python3.14/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
    ~~~~~~~~~~~~~~^^^^^^
  File "/opt/hostedtoolcache/Python/3.14.0/x64/lib/python3.14/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/3.14.0/x64/lib/python3.14/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/3.14.0/x64/lib/python3.14/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 312, in update
    raise BundleErrorAt(path, i + 1, "#pragma once found in a non-first line")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: library/segtree/SegmentTree.hpp: line 3: #pragma once found in a non-first line

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