Compilare: user.cpp: In function ‘void bfs(int)’: user.cpp:19:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<A[Q.front()].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:35:30: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long int*’ [-Wformat=] scanf("%d%d%d",&n,&m,&nod); ^ user.cpp:35:30: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long int*’ [-Wformat=] user.cpp:35:30: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long int*’ [-Wformat=]