Compilare: main.cpp: In function 'int dfs(int, std::vector<bool>&)': main.cpp:22:1: warning: no return statement in function returning non-void [-Wreturn-type] 22 | } | ^ main.cpp:14:5: warning: infinite recursion detected [-Winfinite-recursion] 14 | int dfs(int x, vector<bool>&viz){ | ^~~ main.cpp:18:16: note: recursive call 18 | dfs(i, viz); | ~~~^~~~~~~~