Compilare: main.cpp: In function 'int dfs(int)': main.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type] 16 | } | ^ main.cpp:10:5: warning: infinite recursion detected [-Winfinite-recursion] 10 | int dfs (int nod) | ^~~ main.cpp:15:16: note: recursive call 15 | dfs(u); | ~~~^~~