Compilare: main.cpp: In function 'int dfs(int)': main.cpp:12:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | for (int i=0; i<g[nod].size(); i++) { | ~^~~~~~~~~~~~~~ main.cpp:19:1: warning: no return statement in function returning non-void [-Wreturn-type] 19 | } | ^ main.cpp:9:5: warning: infinite recursion detected [-Winfinite-recursion] 9 | int dfs(int nod) | ^~~ main.cpp:15:16: note: recursive call 15 | dfs(vecin); | ~~~^~~~~~~