Compilare: user.cpp: In function ‘int creez_dinamica()’: user.cpp:20:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int DFS(int, int)’: user.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[nod].size(); i++) ~~^~~~~~~~~~~~~~~ user.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int query(int, int)’: user.cpp:45:1: warning: control reaches end of non-void function [-Wreturn-type] } ^