Compilare: user.cpp: In function ‘int main()’: user.cpp:31:19: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x<<" "<<y<<" "<<mx<<"\n"; ^ user.cpp:31:11: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x<<" "<<y<<" "<<mx<<"\n"; ^