Eroare de compilare: user.cpp: In member function ‘void Tree::dfsSolve(std::ostream&, int, int)’: user.cpp:48:10: error: ‘sort’ was not declared in this scope }); ^ user.cpp: In member function ‘Tree Graph::minimumSpanningTree()’: user.cpp:113:44: error: ‘sort’ was not declared in this scope sort(m_edges.begin(), m_edges.end()); ^ user.cpp:118:24: error: ‘tie’ was not declared in this scope tie(x, y, c) = e; ^ In file included from /usr/include/c++/4.8/vector:69:0, from user.cpp:3: /usr/include/c++/4.8/bits/vector.tcc: In instantiation of ‘void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, int&, int&}; _Tp = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >]’: user.cpp:108:37: required from here /usr/include/c++/4.8/bits/vector.tcc:98:6: error: cannot increment a pointer to incomplete type ‘std::tuple<int, int, int>’ ++this->_M_impl._M_finish; ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h: In instantiation of ‘__gnu_cxx::__normal_iterator<_Iterator, _Container>& __gnu_cxx::__normal_iterator<_Iterator, _Container>::operator++() [with _Iterator = std::tuple<int, int, int>*; _Container = std::vector<std::tuple<int, int, int> >]’: user.cpp:116:24: required from here /usr/include/c++/4.8/bits/stl_iterator.h:748:2: error: cannot increment a pointer to incomplete type ‘std::tuple<int, int, int>’ ++_M_current; ^ In file included from /usr/include/c++/4.8/vector:64:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_vector.h: In instantiation of ‘std::_Vector_base<_Tp, _Alloc>::~_Vector_base() [with _Tp = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >]’: /usr/include/c++/4.8/bits/stl_vector.h:249:15: required from ‘std::vector<_Tp, _Alloc>::vector() [with _Tp = std::tuple<int, int, int>; _Alloc = std::allocator<std::tuple<int, int, int> >]’ user.cpp:104:20: required from here /usr/include/c++/4.8/bits/stl_vector.h:161:9: error: invalid use of incomplete type ‘class std::tuple<int, int, int>’ - this->_M_impl._M_start); } ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/bits/char_traits.h:39, from /usr/include/c++/4.8/ios:40, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/c++/4.8/bits/stl_pair.h:83:11: error: declaration of ‘class std::tuple<int, int, int>’ class tuple; ^ In file included from /usr/include/c++/4.8/vector:62:0, from user.cpp:3: /usr/include/c++/4.8/bits/stl_construct.h: In instantiation of ‘void std::_Destroy(_ForwardIterator, _ForwardIterator) [with _ForwardIterator = std::tuple<int, int, int>*]’: /usr/include/c++/4.8/bits/stl_construct.h:151:31: required from ‘void std::_Destroy(_ForwardIterator, _ForwardIterator, std::allocator<_T2>&) [with _ForwardIterator = std::tuple<int, int, int>*; _Tp = std::tuple<int, int, int>]’