填空题
下面程序段的运行结果是{{U}} 【15】 {{/U}}。
Option Base 1
Private Sub Swap (a() As Integ
For I=1 to 10/2
t=a(I)
a(I)=a(10-I+1)
a(10-I+1)=t
Next I
End Sub
Private Sub Form_Click()
Dim x(10) As Integer
For I=1 to 10
x(I)=I*2
Next I
Swap x()
For I=1 to 10
Print x(I)
Next I
End Sub