Problem	horses
User	nyanyanya
Submission Time	2023-01-18 09:19:19
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

In file included from /usr/include/c++/9/set:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:87,
from horses.cpp:2:
/usr/include/c++/9/bits/stl_set.h: In instantiation of ‘void std::set<_Key, _Compare, _Alloc>::insert(_InputIterator, _InputIterator) [with _InputIterator = int; _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]’:
horses.cpp:112:25: required from here
/usr/include/c++/9/bits/stl_set.h:567:4: error: no matching function for call to ‘std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::_M_insert_range_unique(int&, int&)’
567 | { _M_t._M_insert_range_unique(__first, __last); }
| ^~~~
In file included from /usr/include/c++/9/m