Compilare: main.cpp: In function 'int dfs(int)': main.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0; i<v[nod].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type] 21 | } | ^