Eroare de compilare: main.cpp: In member function 'bool Coord::operator=(const Coord&)': main.cpp:15:5: warning: no return statement in function returning non-void [-Wreturn-type] 15 | } | ^ main.cpp: In member function 'void ListElem::operator<(const ListElem&)': main.cpp:25:20: error: return-statement with a value, in function returning 'void' [-fpermissive] 25 | return pos < a.pos; | ~~~~^~~~~~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:71, 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:2: /usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_less_iter::operator()(_Iterator1, _Iterator2) const [with _Iterator1 = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Iterator2 = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >]': /usr/include/c++/10/bits/stl_algo.h:82:17: required from 'void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1924:34: required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1958:38: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1974:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:4861:18: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >]' main.cpp:75:48: required from here /usr/include/c++/10/bits/predefined_ops.h:43:23: error: void value not ignored as it ought to be 43 | { return *__it1 < *__it2; } | ~~~~~~~^~~~~~~~ /usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_less_iter::operator()(_Value&, _Iterator) const [with _Value = ListElem; _Iterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >]': /usr/include/c++/10/bits/stl_algo.h:1826:20: required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Val_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1854:36: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1886:25: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1977:31: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:4861:18: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >]' main.cpp:75:48: required from here /usr/include/c++/10/bits/predefined_ops.h:96:22: error: void value not ignored as it ought to be 96 | { return __val < *__it; } | ~~~~~~^~~~~~~ /usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_less_val::operator()(_Iterator, _Value&) const [with _Iterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Value = ListElem]': /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<ListElem*, std::vector<ListElem> >; _Distance = long int; _Tp = ListElem; _Compare = __gnu_cxx::__ops::_Iter_less_val]' /usr/include/c++/10/bits/stl_heap.h:246:23: required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Distance = long int; _Tp = ListElem; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_heap.h:355:22: required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1666:23: required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1937:25: required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1953:27: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:1974:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' /usr/include/c++/10/bits/stl_algo.h:4861:18: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<ListElem*, std::vector<ListElem> >]' main.cpp:75:48: required from here /usr/include/c++/10/bits/predefined_ops.h:67:22: error: void value not ignored as it ought to be 67 | { return *__it < __val; } | ~~~~~~^~~~~~~ Non zero exit status: 1