Compilare: user.cpp: In function ‘void dfs(int, int, int)’: user.cpp:35:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<vecini[k].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:14:23: warning: integer overflow in expression [-Woverflow] #define MAX (1<<31) - 1 ^ user.cpp:69:23: note: in expansion of macro ‘MAX’ sume_finale = MAX; ^ user.cpp:14:23: warning: integer overflow in expression [-Woverflow] #define MAX (1<<31) - 1 ^ user.cpp:71:27: note: in expansion of macro ‘MAX’ if(sume_finale == MAX) ^