cpp/verify/jump_on_tree.test.cpp

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• Last update: 2024-12-07 00:34:35+09:00
• Problem: https://judge.yosupo.jp/problem/jump_on_tree

Depends on

• cpp/array/doubling.hpp
• cpp/graph/edge.hpp
• 共通ヘッダー (cpp/template/small_template.hpp)
• 全方位木DP (cpp/tree/tree.hpp)

Code

#define PROBLEM "https://judge.yosupo.jp/problem/jump_on_tree"
#include "tree/tree.hpp"

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  int n, q;
  cin >> n >> q;
  vector<int> a(n - 1), b(n - 1);
  for (int i = 0; i < n - 1; i++) {
    cin >> a[i] >> b[i];
  }
  Tree<int> t(0, a, b);
  t.build_ancestor();
  while (q--) {
    int u, v, i;
    cin >> u >> v >> i;
    int lca = t.lowest_common_ancestor(u, v);
    int d1 = t.depth(u) - t.depth(lca);
    int d2 = t.depth(v) - t.depth(lca);
    if (i > d1 + d2) {
      cout << "-1\n";
    } else if (i < d1) {
      cout << t.ancestor(u, i) << '\n';
    } else {
      cout << t.ancestor(v, d1 + d2 - i) << '\n';
    }
  }
}

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.12.0/x64/lib/python3.12/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/3.12.0/x64/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
  File "/opt/hostedtoolcache/Python/3.12.0/x64/lib/python3.12/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/3.12.0/x64/lib/python3.12/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: tree/tree.hpp: line -1: no such header

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