Eroare de compilare: main.cpp: In function 'void bfs(contur)': main.cpp:31:13: error: 'dr' was not declared in this scope; did you mean 'dj'? 31 | int st=dr=1; | ^~ | dj main.cpp: In function 'int main()': main.cpp:58:6: error: 'fin' was not declared in this scope 58 | fin>>n>>m; | ^~~ In file included from /usr/include/c++/10/string:48, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/stl_function.h: In instantiation of 'constexpr bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = contur]': /usr/include/c++/10/bits/predefined_ops.h:194:23: required from 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<contur*, std::vector<contur, std::allocator<contur> > >; _Value = contur; _Compare = std::less<contur>]' /usr/include/c++/10/bits/stl_heap.h:139:48: required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<contur*, std::vector<contur, std::allocator<contur> > >; _Distance = long int; _Tp = contur; _Compare = __gnu_cxx::__ops::_Iter_comp_val<std::less<contur> >]' /usr/include/c++/10/bits/stl_heap.h:215:23: required from 'void std::push_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<contur*, std::vector<contur, std::allocator<contur> > >; _Compare = std::less<contur>]' /usr/include/c++/10/bits/stl_queue.h:643:16: required from 'void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = contur; _Sequence = std::vector<contur, std::allocator<contur> >; _Compare = std::less<contur>; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = contur]' main.cpp:67:34: required from here /usr/include/c++/10/bits/stl_function.h:386:20: error: no match for 'operator<' (operand types are 'const contur' and 'const contur') 386 | { return __x < __y; } | ~~~~^~~~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 489 | operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:489:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/string:48, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, from main.cpp:1: /usr/include/c++/10/bits/stl_function.h:386:20: note: 'const contur' is not derived from 'const std::pair<_T1, _T2>' 386 | { return __x < __y; } | ~~~~^~~~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/ostream:38, from /usr/include/c++/10/iostream:39, Non zero exit status: 1