/in/foo.cc:3:10: error: too many decimal points in number
 g :array[0..800,0..800]of integer;
          ^~~~~~
/in/foo.cc:3:17: error: too many decimal points in number
 g :array[0..800,0..800]of integer;
                 ^~~~~~
/in/foo.cc:5:12: error: too many decimal points in number
 a,f :array[0..800]of integer;
            ^~~~~~