Submission #308728

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
308728	2020-10-01 18:27:49	silverfish	Stations (IOI20_stations)	C++17	100 / 100	965 ms	1368 KiB

stations

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#include <bits/stdc++.h>
#include "stations.h"
using namespace std;
/*<DEBUG>*/
#define tem template <typename 
#define can_shift(_X_, ...) enable_if_t<sizeof test<_X_>(0) __VA_ARGS__ 8, debug&> operator<<(T i)
#define _op debug& operator<<
tem C > auto test(C *x) -> decltype(cerr << *x, 0LL);
tem C > char test(...);
tem C > struct itr{C begin, end; };
tem C > itr<C> get_range(C b, C e) { return itr<C>{b, e}; };
struct debug{
#ifdef _LOCAL
  ~debug(){ cerr << endl; }
  tem T > can_shift(T, ==){ cerr << boolalpha << i; return *this; }
  tem T> can_shift(T, !=){ return *this << get_range(begin(i), end(i)); }
  tem T, typename U > _op (pair<T, U> i){ 
    return *this << "< " << i.first << " , " << i.second << " >"; }
  tem T> _op (itr<T> i){
    *this <<  "{ ";
    for(auto it = i.begin; it != i.end; it++){
      *this << " , " + (it==i.begin?2:0) << *it;
    }
    return *this << " }";
  }
#else
tem T> _op (const T&) { return *this; }
#endif 
};
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61