Compilare: main.cpp: In member function 'int Graph::print()': main.cpp:41:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int j = 0; j < adj[i].size(); ++j) | ~~^~~~~~~~~~~~~~~ main.cpp:46:5: warning: no return statement in function returning non-void [-Wreturn-type] 46 | } | ^ main.cpp: In member function 'void Graph::dfs(int)': main.cpp:53:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int i = 0; i < adj[nod].size(); ++i) | ~~^~~~~~~~~~~~~~~~~