Compilare: user.cpp:19:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:12: warning: format '%lf' expects type 'double*', but argument 2 has type 'long int*' user.cpp:14: warning: converting to 'long int' from 'double' user.cpp:14: warning: converting to 'long int' from 'double' user.cpp:16: warning: format '%lf' expects type 'double', but argument 2 has type 'long int'