answer.code: In function ‘int main()’:
answer.code:92:10: warning: narrowing conversion of ‘w’ from ‘int’ to ‘LD’ {aka ‘long double’} [-Wnarrowing]
   92 |         {w, 0},
      |          ^
answer.code:93:10: warning: narrowing conversion of ‘w’ from ‘int’ to ‘LD’ {aka ‘long double’} [-Wnarrowing]
   93 |         {w, h},
      |          ^
answer.code:93:13: warning: narrowing conversion of ‘h’ from ‘int’ to ‘LD’ {aka ‘long double’} [-Wnarrowing]
   93 |         {w, h},
      |             ^
answer.code:94:13: warning: narrowing conversion of ‘h’ from ‘int’ to ‘LD’ {aka ‘long double’} [-Wnarrowing]
   94 |         {0, h}}, int(1e9)
      |             ^
answer.code:166:90: error: no match for ‘operator<<’ (operand types are ‘std::basic_ostream<char>’ and ‘__gnu_cxx::__alloc_traits<std::allocator<point>, point>::value_type’ {aka ‘point’})
  166 |                 cerr << cur.x << " " << cur.y << " on " << poly[to].first[toid].x << " " << poly[to].first[toid] << ",, " << poly[to].first[(toid + 1) % poly[to].first.size()].x << " " << poly[to].first[(toid + 1) % poly[to].first.size()].y << endl;
In file included from /usr/include/c++/13/bits/unique_ptr.h:42,
                 from /usr/include/c++/13/memory:78,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:56,
                 from answer.code:1:
/usr/include/c++/13/ostream:110:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ostream_type& (*)(__ostream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]’
  110 |       operator<<(__ostream_type& (*__pf)(__ostream_type&))
      |       ^~~~~~~~
/usr/include/c++/13/ostream:110:36: note:   no known conversion for argument 1 from ‘__gnu_cxx::__alloc_traits<std::allocator<point>, point>::value_type’ {aka ‘point’} to ‘std::basic_ostream<char>::__ostream_type& (*)(std::basic_ostream<char>::__ostream_type&)’ {aka ‘std::basic_ostream<char>& (*)(std::basic_ostream<char>&)’}
  110 |       operator<<(__ostream_type& (*__pf)(__ostream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/ostream:119:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>; __ios_type = std::basic_ios<char>]’
  119 |       operator<<(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/13/ostream:119:32: note:   no known conversion for argument 1 from ‘__gnu_cxx::__alloc_traits<std::allocator<point>, point>::value_type’ {aka ‘point’} to ‘std::basic_ostream<char>::__ios_type& (*)(std::basic_ostream<char>::__ios_type&)’ {aka ‘std::basic_ios<char>& (*)(std::basic_ios<char>&)’}
  119 |       operator<<(__ios_type& (*__pf)(__ios_type&))
      |                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/13/ostream:129:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]’
  129 |       operator<<(ios_base& (*__pf) (ios_base&))
      |       ^~~~~~~~
/usr/include/c++/13/ostream:129:30: note:   no known conversion for argument 1 from ‘__gnu_cxx::__alloc_traits<std::allocator<point>, point>::value_type’ {aka ‘point’} to ‘std::ios_base& (*)(std::ios_base&)’
  129 |       operator<<(ios_base& (*__pf) (ios_base&))
      |                  ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/13/ostream:168:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]’
  168 |       operator<<(long __n)
      |       ^~~~~~~~
/usr/include/c++/13/ostream:168:23: note:   no known conversion for argument 1 from ‘__gnu_cxx::__alloc_traits<std::allocator<point>, point>::value_type’ {aka ‘point’} to ‘long int’
  168 |       operator<<(long __n)
      |                  ~~~~~^~~
/usr/include/c++/13/ostream:172:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long unsigned int) [with _CharT = char; _Traits = std::char_traits<char>; __ostream_type = std::basic_ostream<char>]’
  172 |       operator<<(unsigned long __n)
      |       ^~~~~~~~
/usr/include/c++/13/ostream:172:32: note:   no known conversion for argument 1 from ‘__gnu_cxx::__alloc_traits<std::allocator<point>, point>::value_type’ {aka ‘point’} to ‘long unsigned int’
  172 |       operator<<(unsigned long __n)
      |                  ~~~~~~~~~~~~~~^~~
/usr/include/c++/13/ostream:176:7: note: candidate: ‘std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basi...