Compilare: user.cpp:59:2: warning: no newline at end of file user.cpp: In function 'long int unu(long int, long int)': user.cpp:19: warning: 'nr' may be used uninitialized in this function user.cpp: In function 'long int doi(long int, long int)': user.cpp:31: warning: 'nr' may be used uninitialized in this function user.cpp: In function 'int main()': user.cpp:44: warning: 'k' may be used uninitialized in this function