Verified answer

1)

var
n,z:integer;
i,sum:real;
begin
readln (N);
while (z<>n) do
begin
z:=z+1;
i:=1/z;
sum:=sum+i;
writeln (sum);
end;
end.

2)

var
n,z:integer;
i,sum:real;
begin
readln (N);
repeat
z:=z+1;
i:=1/z;
sum:=sum+i;
writeln (sum);
until (z=n);
end.