Compilare: main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&)': main.cpp:84:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 84 | for(int i = 1; i < lista_vecini[nod].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::hakimi(int, std::vector<int>&, std::ostream&)': main.cpp:136:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 136 | if(aux > lista.size()) | ~~~~^~~~~~~~~~~~~~ main.cpp: In member function 'void Graf::DFS_sortaret(int, std::vector<bool>&, std::queue<int>&, int&)': main.cpp:155:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 155 | for(int i = 0; i < lista_vecini[nod].size() - 1; i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~