Compilare: main.cpp: In function 'int dfs(int)': main.cpp:13:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | for(int i=0;i<graph[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~ main.cpp:18:1: warning: no return statement in function returning non-void [-Wreturn-type] 18 | } | ^ main.cpp:10:5: warning: infinite recursion detected [-Winfinite-recursion] 10 | int dfs(int nod) | ^~~ main.cpp:16:16: note: recursive call 16 | dfs(graph[nod][i]); | ~~~^~~~~~~~~~~~~~~