Submission #667747

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
667747	2022-12-02 00:26:27	dutinmeow	Cat in a tree (BOI17_catinatree)	C++17	100 / 100	350 ms	35152 KiB

catinatree

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#include <bits/stdc++.h>
namespace std {
template<class Fun>
class y_combinator_result {
  Fun fun_;
public:
  template<class T>
  explicit y_combinator_result(T &&fun): fun_(std::forward<T>(fun)) {}
  template<class ...Args>
  decltype(auto) operator()(Args &&...args) {
    return fun_(std::ref(*this), std::forward<Args>(args)...);
  }
};
template<class Fun>
decltype(auto) y_combinator(Fun &&fun) {
  return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}
} // namespace std
struct heavy_light_decomposition {
  std::vector<int> par, dep, hed, tin;
  heavy_light_decomposition(int R, std::vector<std::vector<int>> T) {
    int n = (int)T.size(), time = 0;
    par.resize(n), dep.resize(n);
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 40 / 40
• Subtask 3: 49 / 49