Compilare: user.cpp: In function 'int main()': user.cpp:6: warning: unused variable 'li' user.cpp:6: warning: unused variable 'lsa' user.cpp:6: warning: unused variable 'lsb' user.cpp:6: warning: 'y' may be used uninitialized in this function user.cpp:6: warning: 'x' may be used uninitialized in this function user.cpp:6: warning: 't' may be used uninitialized in this function user.cpp:6: warning: 'l' may be used uninitialized in this function