Eroare de compilare: main.cpp: In function 'arc operator<(arc, arc)': main.cpp:17:12: error: could not convert 'true' from 'bool' to 'arc' return true; ^~~~ main.cpp:19:10: error: could not convert 'false' from 'bool' to 'arc' return false; ^~~~~ main.cpp: In function 'int main()': main.cpp:48:1: error: expected ';' before 'pornire' pornire.lungime=0; ^~~~~~~ main.cpp:58:11: error: no match for 'operator[]' (operand types are 'bool [50005]' and 'arc') if(viz[vecin]==false) ^ main.cpp:61:9: error: no match for 'operator[]' (operand types are 'int [50005]' and 'arc') drum[vecin]=drum[curent.a]+vecin.lungime; ^ In file included from /usr/include/c++/6/string:48:0, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/stl_function.h: In instantiation of 'constexpr bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = arc]': /usr/include/c++/6/bits/predefined_ops.h:125:18: required from 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<arc*, std::vector<arc> >; _Iterator2 = __gnu_cxx::__normal_iterator<arc*, std::vector<arc> >; _Compare = std::less<arc>]' /usr/include/c++/6/bits/stl_heap.h:217:14: required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arc*, std::vector<arc> >; _Distance = long int; _Tp = arc; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::less<arc> >]' /usr/include/c++/6/bits/stl_heap.h:335:22: required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arc*, std::vector<arc> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::less<arc> >]' /usr/include/c++/6/bits/stl_heap.h:388:23: required from 'void std::make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<arc*, std::vector<arc> >; _Compare = std::less<arc>]' /usr/include/c++/6/bits/stl_queue.h:447:23: required from 'std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(const _Compare&, _Sequence&&) [with _Tp = arc; _Sequence = std::vector<arc>; _Compare = std::less<arc>]' main.cpp:26:21: required from here /usr/include/c++/6/bits/stl_function.h:386:22: error: cannot convert 'arc' to 'bool' in return { return __x < __y; } ^~~ Non zero exit status: 1