Compilare: user.cpp:51:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:27: warning: unused variable 'k' user.cpp:32: warning: 'pozzz' may be used uninitialized in this function user.cpp:32: warning: 'pozz' may be used uninitialized in this function user.cpp:32: warning: 'poz' may be used uninitialized in this function