Eroare de compilare: user.cpp:13:29: error: tri/unordered_map: No such file or directory user.cpp:14: error: 'tr1' is not a namespace-name user.cpp:14: error: expected namespace-name before ';' token user.cpp:15: error: expected constructor, destructor, or type conversion before '<' token user.cpp: In function 'void dfs(int)': user.cpp:38: error: 'h' was not declared in this scope user.cpp:47: warning: comparison between signed and unsigned integer expressions user.cpp:50: error: 'hash_map' was not declared in this scope user.cpp:50: error: expected primary-expression before 'int' user.cpp:50: error: expected `;' before 'int' user.cpp:50: error: 'h' was not declared in this scope user.cpp:51: error: request for member 'first' in '* it.__gnu_cxx::__normal_iterator<_Iterator, _Container>::operator-> [with _Iterator = int*, _Container = std::vector<int, std::allocator<int> >]()', which is of non-class type 'int' user.cpp:51: error: request for member 'second' in '* it.__gnu_cxx::__normal_iterator<_Iterator, _Container>::operator-> [with _Iterator = int*, _Container = std::vector<int, std::allocator<int> >]()', which is of non-class type 'int' user.cpp:51: error: request for member 'first' in '* it.__gnu_cxx::__normal_iterator<_Iterator, _Container>::operator-> [with _Iterator = int*, _Container = std::vector<int, std::allocator<int> >]()', which is of non-class type 'int' user.cpp:54: error: request for member 'first' in '* it.__gnu_cxx::__normal_iterator<_Iterator, _Container>::operator-> [with _Iterator = int*, _Container = std::vector<int, std::allocator<int> >]()', which is of non-class type 'int' user.cpp:57: error: 'h' was not declared in this scope