Compilare: main.cpp: In function 'int dfs(int)': main.cpp:17:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int i=0; i<g[nod].size(); i++) { | ~^~~~~~~~~~~~~~ main.cpp:24:1: warning: no return statement in function returning non-void [-Wreturn-type] 24 | } | ^ main.cpp:14:5: warning: infinite recursion detected [-Winfinite-recursion] 14 | int dfs(int nod) | ^~~ main.cpp:20:16: note: recursive call 20 | dfs(vecin); | ~~~^~~~~~~