Which of the following is not a valid function Prototype?a$.$ int function$\_$a$($int a$[],$ cross out int n$)$;

b$.$ int function$\_$a$($int a$[$n$],$ cross out int n$)$;

c$.$ int function$\_$a$($int a$[]$

cross out

$[5],$ int n$,$ int m$)$;

d$.$ int function$\_$a$($int a$[]$

cross out

$[],$ int $\backslash ($ n $\backslash ),$ int m$)$;

e$.$ int function$\_$a$($int a$[2]$

cross out $[],$ int n$,$ int m$\backslash ()\backslash )$;