In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/c++allocator.h:33,
                 from /usr/include/c++/13/bits/allocator.h:46,
                 from /usr/include/c++/13/string:43,
                 from /usr/include/c++/13/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52,
                 from answer.code:1:
/usr/include/c++/13/bits/new_allocator.h: In instantiation of ‘void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = LineSegment; _Args = {int, long long int&, long long int&, int}; _Tp = LineSegment]’:
/usr/include/c++/13/bits/alloc_traits.h:537:17:   required from ‘static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = LineSegment; _Args = {int, long long int&, long long int&, int}; _Tp = LineSegment; allocator_type = std::allocator<LineSegment>]’
/usr/include/c++/13/bits/vector.tcc:117:30:   required from ‘std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int, long long int&, long long int&, int}; _Tp = LineSegment; _Alloc = std::allocator<LineSegment>; reference = LineSegment&]’
answer.code:134:57:   required from here
/usr/include/c++/13/bits/new_allocator.h:187:11: error: new initializer expression list treated as compound expression [-fpermissive]
  187 |         { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); }
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/new_allocator.h:187:11: error: no matching function for call to ‘LineSegment::LineSegment(int)’
answer.code:47:8: note: candidate: ‘LineSegment::LineSegment()’
   47 | struct LineSegment
      |        ^~~~~~~~~~~
answer.code:47:8: note:   candidate expects 0 arguments, 1 provided
answer.code:47:8: note: candidate: ‘constexpr LineSegment::LineSegment(const LineSegment&)’
answer.code:47:8: note:   no known conversion for argument 1 from ‘int’ to ‘const LineSegment&’
answer.code:47:8: note: candidate: ‘constexpr LineSegment::LineSegment(LineSegment&&)’
answer.code:47:8: note:   no known conversion for argument 1 from ‘int’ to ‘LineSegment&&’