how to solve 4.5

Assalamualaikum w.w.
program
input c++ 4.5.1:

output c++ 4.5.1:

4.5.2:
var
A; array[1..100] of interger;
i: integer;
begin
for i:=1 to 100 do
begin
A[1]:=i;
end;
End.

input c++ 4.5.3:

output c++ 4.5.3:

wassalamualaikum w.w.
how to solve 4.5
how to solve 4.5