Compilare: user.cpp: In function ‘int main()’: user.cpp:8: warning: unused variable ‘dt’ user.cpp:8: warning: unused variable ‘costS’ user.cpp:8: warning: unused variable ‘luate’ user.cpp:9: warning: unused variable ‘pending’ user.cpp:10: warning: unused variable ‘ps’ user.cpp:10: warning: unused variable ‘pi’ user.cpp:10: warning: unused variable ‘pozi’