Compilare: user.cpp: In function `int main()': user.cpp:11: warning: int format, long int arg (arg 2) user.cpp:11: warning: int format, long int arg (arg 3) user.cpp:17: warning: int format, long int arg (arg 2) user.cpp:25: warning: converting to `int' from `double' user.cpp:30: warning: int format, long int arg (arg 2) user.cpp:30: warning: int format, long int arg (arg 3) user.cpp:49: warning: int format, long int arg (arg 2)