This documentation is automatically generated by online-judge-tools/verification-helper
#define PROBLEM \
"https://judge.yosupo.jp/problem/dynamic_tree_vertex_add_path_sum"
#include "lib/ds/lct.hpp"
#include "lib/internal.hpp"
#include "lib/monoid/monoid_add.hpp"
int main()
{
std::cin.tie(nullptr);
std::ios::sync_with_stdio(false);
std::clog << std::boolalpha;
int n, q;
std::cin >> n >> q;
std::vector<int> a(n);
for (int i = 0; i < n; i++)
std::cin >> a[i];
LinkCutTree<mono::BidirMonoidTrait<mono::MonoidAdd<i64>>> lct(n, [&a](int x) { return a[x]; });
for (int i = 1; i < n; i++) {
int u, v;
std::cin >> u >> v;
lct.link(u, v);
}
for (int i = 0; i < q; i++) {
int op;
std::cin >> op;
if (op == 0) {
int u, v, w, x;
std::cin >> u >> v >> w >> x;
lct.cut(u, v);
lct.link(w, x);
} else if (op == 1) {
int p, x;
std::cin >> p >> x;
lct.multiply(p, x);
} else if (op == 2) {
int u, v;
std::cin >> u >> v;
std::cout << lct.prod(u, v) << "\n";
}
}
}
Traceback (most recent call last):
File "/home/runner/.local/lib/python3.10/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 "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
bundler.update(path)
File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
self.update(self._resolve(pathlib.Path(included), included_from=path))
File "/home/runner/.local/lib/python3.10/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
self.update(self._resolve(pathlib.Path(included), included_from=path))
File "/home/runner/.local/lib/python3.10/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: lib/internal.hpp: line 4: #pragma once found in a non-first line