Compilare: main.cpp: In function 'int dfs(int)': main.cpp:15:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(i=0;i<=v[nod].size();i++) | ~^~~~~~~~~~~~~~~ main.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type] 23 | } | ^ main.cpp:11:5: warning: infinite recursion detected [-Winfinite-recursion] 11 | int dfs(int nod) | ^~~ main.cpp:19:16: note: recursive call 19 | dfs(i); | ~~~^~~