Submission #73134

#	Time	Username	Problem	Language	Result	Execution time	Memory
73134		Kmcode	Roller Coaster Railroad (IOI16_railroad)	C++14	Compilation error	0 ms	0 KiB

railroad

	#include<bits/stdc++.h>
	using namespace std;
	//#include "railroad.h"

	vector<pair<int,pair<int,int> > > v;
	map<int,int> same;
	
	set<pair<int,int> > s;
	
	int nex(int id){
		
	}
	 
	long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
	    int n = (int) s.size();
	    for(int i=0;i<n;i++){
			if(s[i]==t[i]){
				v.push_back(make_pair(s[i],make_pair(1,i) ) );
				continue;
			}
			v.push_back(make_pair(s[i],make_pair(2,i) ) );
			v.push_back(make_pair(t[i],make_pair(0,i) ) );
		}
		sort(v.begin(),v.end());
		bool ok=false;
		int stk=0;
		int en=0;
		while( v.size() ) {
			auto f=v.back();
			v.pop_back();
			if(f.second.first==2){
				s.insert(make_pair(t[f.second.second],f.second.second));
				stk++;
			}
			else{
				if(f.second.first==1){
					v.push_back(make_pair(f.first,make_pair(2,f.second.second) ) );
					v.push_back(make_pair(f.first,make_pair(0,f.second.second) ) );
					continue;
				}
				
				if(stk){
					stk--;
					continue;
				}
				if(stk==0){
						if(en==0){
							en=1;
							continue;
						}
						ok=true;
						break;
				}
			}
		}
	    return ok;
	}
	

int main() {
    int n;
    assert(1 == scanf("%d", &n));
    std::vector<int> s(n), t(n);
    for (int i = 0; i < n; ++i)
        assert(2 == scanf("%d%d", &s[i], &t[i]));
    long long ans = plan_roller_coaster(s, t);
    printf("%lld\n", ans);
    return 0;
}

Compilation message (stderr)

railroad.cpp: In function 'int nex(int)':
railroad.cpp:12:2: warning: no return statement in function returning non-void [-Wreturn-type]
  }
  ^
railroad.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:32:59: error: no matching function for call to 'std::vector<int>::insert(std::pair<int, int>)'
     s.insert(make_pair(t[f.second.second],f.second.second));
                                                           ^
In file included from /usr/include/c++/7/vector:69:0,
                 from /usr/include/c++/7/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
                 from railroad.cpp:1:
/usr/include/c++/7/bits/vector.tcc:114:5: note: candidate: std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; typename std::_Vector_base<_Tp, _Alloc>::pointer = int*; std::vector<_Tp, _Alloc>::const_iterator = __gnu_cxx::__normal_iterator<const int*, std::vector<int> >; typename __gnu_cxx::__alloc_traits<typename std::_Vector_base<_Tp, _Alloc>::_Tp_alloc_type>::const_pointer = const int*; std::vector<_Tp, _Alloc>::value_type = int]
     vector<_Tp, _Alloc>::
     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/7/bits/vector.tcc:114:5: note:   candidate expects 2 arguments, 1 provided
In file included from /usr/include/c++/7/vector:64:0,
                 from /usr/include/c++/7/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
                 from railroad.cpp:1:
/usr/include/c++/7/bits/stl_vector.h:1042:7: note: candidate: std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; typename std::_Vector_base<_Tp, _Alloc>::pointer = int*; std::vector<_Tp, _Alloc>::const_iterator = __gnu_cxx::__normal_iterator<const int*, std::vector<int> >; typename __gnu_cxx::__alloc_traits<typename std::_Vector_base<_Tp, _Alloc>::_Tp_alloc_type>::const_pointer = const int*; std::vector<_Tp, _Alloc>::value_type = int]
       insert(const_iterator __position, value_type&& __x)
       ^~~~~~
/usr/include/c++/7/bits/stl_vector.h:1042:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/7/bits/stl_vector.h:1059:7: note: candidate: std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; typename std::_Vector_base<_Tp, _Alloc>::pointer = int*; std::vector<_Tp, _Alloc>::const_iterator = __gnu_cxx::__normal_iterator<const int*, std::vector<int> >; typename __gnu_cxx::__alloc_traits<typename std::_Vector_base<_Tp, _Alloc>::_Tp_alloc_type>::const_pointer = const int*]
       insert(const_iterator __position, initializer_list<value_type> __l)
       ^~~~~~
/usr/include/c++/7/bits/stl_vector.h:1059:7: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/7/bits/stl_vector.h:1084:7: note: candidate: std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, std::vector<_Tp, _Alloc>::size_type, const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::iterator = __gnu_cxx::__normal_iterator<int*, std::vector<int> >; typename std::_Vector_base<_Tp, _Alloc>::pointer = int*; std::vector<_Tp, _Alloc>::const_iterator = __gnu_cxx::__normal_iterator<const int*, std::vector<int> >; typename __gnu_cxx::__alloc_traits<typename std::_Vector_base<_Tp, _Alloc>::_Tp_alloc_type>::const_pointer = const int*; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = int]
       insert(const_iterator __position, size_type __n, const value_type& __x)
       ^~~~~~
/usr/include/c++/7/bits/stl_vector.h:1084:7: note:   candidate expects 3 arguments, 1 provided
/usr/include/c++/7/bits/stl_vector.h:1128:2: note: candidate: template<class _InputIterator, class> std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::insert(std::vector<_Tp, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = int; _Alloc = std::allocator<int>]
  insert(const_iterator __position, _InputIterator __first,
  ^~~~~~
/usr/include/c++/7/bits/stl_vector.h:1128:2: note:   template argument deduction/substitution failed:
railroad.cpp:32:59: note:   candidate expects 3 arguments, 1 provided
     s.insert(make_pair(t[f.second.second],f.second.second));
                                                           ^