reconstruction.cpp:37:23: error: 'ar5' does not name a type; did you mean 'ar4'?
37 | inline bool cmp(const ar5 &X, const ar5 &Y) {
| ^~~
| ar4
reconstruction.cpp:37:37: error: 'ar5' does not name a type; did you mean 'ar4'?
37 | inline bool cmp(const ar5 &X, const ar5 &Y) {
| ^~~
| ar4
reconstruction.cpp: In function 'bool cmp(const int&, const int&)':
reconstruction.cpp:38:17: error: invalid types 'const int[int]' for array subscript
38 | return X[0] < Y[0];
| ^
reconstruction.cpp:38:24: error: invalid types 'const int[int]' for array subscript
38 | return X[0] < Y[0];
| ^
reconstruction.cpp: In function 'void dfs(int, int)':
reconstruction.cpp:47:9: error: 'seen' was not declared in this scope
47 | seen[v] = true;
| ^~~~
reconstruction.cpp: In function 'int main()':
reconstruction.cpp:97:62: error: expected primary-expression before ',' token
97 | ar4 X = {-E[p][0], E[p][1], E[p][2], , 0};
| ^
reconstruction.cpp:142:25: error: 'seen' was not declared in this scope
142 | seen = 0;
| ^~~~
reconstruction.cpp:150:46: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
150 | minl = min(W + w >> 1, minl);
| ~~^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from reconstruction.cpp:10:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _Iterator2 = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _Compare = bool (*)(const int&, const int&)]':
/usr/include/c++/10/bits/stl_algo.h:4905:14: required from '_OutputIterator std::__merge(_InputIterator1, _InputIterator1, _InputIterator2, _InputIterator2, _OutputIterator, _Compare) [with _InputIterator1 = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _InputIterator2 = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _OutputIterator = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(const int&, const int&)>]'
/usr/include/c++/10/bits/stl_algo.h:5014:37: required from '_OIter std::merge(_IIter1, _IIter1, _IIter2, _IIter2, _OIter, _Compare) [with _IIter1 = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _IIter2 = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _OIter = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _Compare = bool (*)(const int&, const int&)]'
reconstruction.cpp:120:90: required from here
/usr/include/c++/10/bits/predefined_ops.h:156:30: error: invalid initialization of reference of type 'const int&' from expression of type 'std::array<int, 4>'
156 | { return bool(_M_comp(*__it1, *__it2)); }
| ~~~~~~~^~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _Value = const std::array<int, 4>; _Compare = bool (*)(const int&, const int&)]':
/usr/include/c++/10/bits/stl_algobase.h:1324:14: required from '_ForwardIterator std::__lower_bound(_ForwardIterator, _ForwardIterator, const _Tp&, _Compare) [with _ForwardIterator = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _Tp = std::array<int, 4>; _Compare = __gnu_cxx::__ops::_Iter_comp_val<bool (*)(const int&, const int&)>]'
/usr/include/c++/10/bits/stl_algo.h:2041:32: required from '_FIter std::lower_bound(_FIter, _FIter, const _Tp&, _Compare) [with _FIter = __gnu_cxx::__normal_iterator<std::array<int, 4>*, std::vector<std::array<int, 4> > >; _Tp = std::array<int, 4>; _Compare = bool (*)(const int&, const int&)]'
reconstruction.cpp:85:70: required from here
/usr/include/c++/10/bits/predefined_ops.h:194:23: error: invalid initialization of reference of type 'const int&' from expression of type 'std::array<int, 4>'
194 | { return bool(_M_comp(*__it, __val)); }
| ~~~~~~~^~~~~~~~~~~~~~