Eroare de compilare: main.cpp: In function 'void bfs()': main.cpp:27:22: error: 'std::tuple<int, int, int> <structured bindings>' has incomplete type 27 | auto [k, p, m] = q.front(); | ^~~~~~~~~ In file included from /usr/include/c++/12.2.1/deque:67, from /usr/include/c++/12.2.1/queue:60, from main.cpp:4: /usr/include/c++/12.2.1/bits/deque.tcc: In instantiation of 'std::deque<_Tp, _Alloc>::reference std::deque<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, int, int}; _Tp = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >; reference = std::tuple<int, int, int>&]': /usr/include/c++/12.2.1/bits/stl_queue.h:297:25: required from 'decltype(auto) std::queue<_Tp, _Sequence>::emplace(_Args&& ...) [with _Args = {int&, int, int}; _Tp = std::tuple<int, int, int>; _Sequence = std::deque<std::tuple<int, int, int>, std::allocator<std::tuple<int, int, int> > >]' main.cpp:21:13: required from here /usr/include/c++/12.2.1/bits/deque.tcc:168:48: error: invalid use of incomplete type 'class std::tuple<int, int, int>' 168 | != this->_M_impl._M_finish._M_last - 1) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:64, from /usr/include/c++/12.2.1/string:50, from /usr/include/c++/12.2.1/bits/locale_classes.h:40, from /usr/include/c++/12.2.1/bits/ios_base.h:41, from /usr/include/c++/12.2.1/ios:42, from /usr/include/c++/12.2.1/ostream:38, from /usr/include/c++/12.2.1/iostream:39, from main.cpp:1: /usr/include/c++/12.2.1/bits/stl_pair.h:90:11: note: declaration of 'class std::tuple<int, int, int>' 90 | class tuple; | ^~~~~ /usr/include/c++/12.2.1/bits/deque.tcc:173:39: error: cannot increment a pointer to incomplete type 'std::tuple<int, int, int>' 173 | ++this->_M_impl._M_finish._M_cur; | ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ In file included from /usr/include/c++/12.2.1/deque:64: /usr/include/c++/12.2.1/bits/stl_deque.h: In instantiation of 'void std::deque<_Tp, _Alloc>::_M_destroy_data(iterator, iterator, const std::allocator<_CharT>&) [with _Tp = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >; iterator = std::_Deque_base<std::tuple<int, int, int>, std::allocator<std::tuple<int, int, int> > >::iterator]': /usr/include/c++/12.2.1/bits/stl_deque.h:1028:24: required from 'std::deque<_Tp, _Alloc>::~deque() [with _Tp = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >]' /usr/include/c++/12.2.1/bits/stl_queue.h:96:11: required from here /usr/include/c++/12.2.1/bits/stl_deque.h:2090:14: error: invalid use of incomplete type 'std::deque<std::tuple<int, int, int>, std::allocator<std::tuple<int, int, int> > >::value_type' {aka 'class std::tuple<int, int, int>'} 2090 | if (!__has_trivial_destructor(value_type)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/12.2.1/bits/stl_pair.h:90:11: note: declaration of 'std::deque<std::tuple<int, int, int>, std::allocator<std::tuple<int, int, int> > >::value_type' {aka 'class std::tuple<int, int, int>'} 90 | class tuple; | ^~~~~ /usr/include/c++/12.2.1/bits/stl_deque.h: In instantiation of 'void std::deque<_Tp, _Alloc>::pop_front() [with _Tp = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >]': /usr/include/c++/12.2.1/bits/stl_queue.h:321:13: required from 'void std::queue<_Tp, _Sequence>::pop() [with _Tp = std::tuple<int, int, int>; _Sequence = std::deque<std::tuple<int, int, int>, std::allocator<std::tuple<int, int, int> > >]' main.cpp:28:8: required from here /usr/include/c++/12.2.1/bits/stl_deque.h:1578:47: error: invalid use of incomplete type 'class std::tuple<int, int, int>' 1578 | != this->_M_impl._M_start._M_last - 1) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/12.2.1/bits/stl_pair.h:90:11: note: declaration of 'class std::tuple<int, int, int>' 90 | class tuple; | ^~~~~ /usr/include/c++/12.2.1/bits/stl_deque.h:1582:38: error: cannot increment a pointer to incomplete type 'std::tuple<int, int, int>' 1582 | ++this->_M_impl._M_start._M_cur; | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ /usr/include/c++/12.2.1/bits/stl_deque.h: In instantiation of 'void std::_Deque_base<_Tp, _Alloc>::_M_initialize_map(std::size_t) [with _Tp = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >; std::size_t = long unsigned int]': Non zero exit status: 1