Compilare: main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&)': main.cpp:112:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | 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:164:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 164 | if(aux > lista.size()) | ~~~~^~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::DFS_sortaret(std::queue<int>&)': main.cpp:184:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 184 | for(int j = 1; j < lista_vecini[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:194:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 194 | for(int i = 1; i < lista_vecini[aux].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:201:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::queue<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 201 | if(nr_noduri == lista.size()) | ~~~~~~~~~~^~~~~~~~~~~~~~~