: Error: A specification expression object must be a dumm
y argument, a COMMON block object, or an object accessible through host or use a
ssociation [N]
integer::I,N,xG
-----------------^
: Error: An automatic object is invalid in a main program
. [C]
real,dimension(N)::c
-------------------------^


誰かこのエラーの意味をおしえてくれませんか？