Compilare: main.cpp: In function 'bool dfs(long long int)': main.cpp:48:1: warning: no return statement in function returning non-void [-Wreturn-type] 48 | } | ^ main.cpp:39:6: warning: infinite recursion detected [-Winfinite-recursion] 39 | bool dfs(int nod){ | ^~~ main.cpp:44:16: note: recursive call 44 | dfs(i.first); | ~~~^~~~~~~~~