Compilare: main.cpp: In member function 'void Graf::DFS(int, std::vector<bool>&)': main.cpp:104:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | 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:156:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 156 | if(aux > lista.size()) | ~~~~^~~~~~~~~~~~~~ main.cpp: In member function 'int Graf::DFS_sortaret(std::queue<int>&)': main.cpp:176:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 176 | for(int j = 1; j < lista_vecini[i].size(); j++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:186:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 186 | for(int i = 1; i < lista_vecini[aux].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:193:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::queue<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 193 | if(nr_noduri == lista.size()) | ~~~~~~~~~~^~~~~~~~~~~~~~~