Submission #632773

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
632773	2022-08-20 18:20:26	dutinmeow	Cake 3 (JOI19_cake3)	C++17	100 / 100	811 ms	119228 KiB

cake3

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#include <bits/stdc++.h>
using namespace std;
 
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
 
class wavelet_tree {
  int n;
  vector<long long> vmap;
  vector<vector<int>> tree;
  vector<vector<long long>> psum;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76