Compilare: user.cpp: In function ‘int main()’: user.cpp:40:33: warning: ‘z’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x<<"\n"<<y<<"\n"<<z<<"\n"; ^ user.cpp:40:24: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x<<"\n"<<y<<"\n"<<z<<"\n"; ^ user.cpp:26:33: warning: ‘z’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x<<"\n"<<y<<"\n"<<z<<"\n"; ^ user.cpp:26:24: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<x<<"\n"<<y<<"\n"<<z<<"\n"; ^