Compilare: main.cpp: In member function 'void Graf_Neorientat::dfs(int, int*)': 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_adiacenta[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'Graf_Neorientat& Graf_Neorientat::operator=(const Graf_Neorientat&)': main.cpp:165:5: warning: value computed is not used [-Wunused-value] 165 | *this; | ^~~~~ main.cpp:165:5: warning: statement has no effect [-Wunused-value] main.cpp:166:1: warning: no return statement in function returning non-void [-Wreturn-type] 165 | *this; +++ |+ return *this; 166 | } | ^