Compilare: main.cpp: In function 'int DFS(int, int)': main.cpp:14:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 14 | for(int i=0;i<v[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:20:1: warning: no return statement in function returning non-void [-Wreturn-type] 20 | } | ^ main.cpp:12:5: warning: infinite recursion detected [-Winfinite-recursion] 12 | int DFS(int nod, int k) | ^~~ main.cpp:19:5: note: recursive call 19 | DFS(*I, k+1); | ~~~^~~~~~~~~