Your error message itself says this:
"BGI graphics not ANSI compatible"

The graphics you used is not a standard C/c++ code. It is not ANSI or ISO code.

You can try compiling it in Turbo C++ instead.

Regards,
Paramesh.

"Don't walk behind me; I may not lead.
 Don't walk in front of me; I may not follow.
 Just walk beside me and be my friend."