Submission #649048

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
6490482022-10-09 00:46:04dutinmeowTransport (COCI19_transport)C++17
130 / 130
640 ms28248 KiB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
template<class K, class V>
using ordered_map = __gnu_pbds::tree<K, V, std::less<K>, __gnu_pbds::rb_tree_tag, __gnu_pbds::tree_order_statistics_node_update>;
template<class K>
using ordered_set = ordered_map<K, __gnu_pbds::null_type>;
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));
}
 
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