L = 0: R = 7: i = 1
Do While i < R
If a(i) = 0 Then
L = L + 1
t = a(i): a(i) = a(L): a(L) = t i = i + 1
ElseIf a(i) = 2 Then
R = R - 1
t = a(i): a(i) = a(R): a(R) = t
Else
i = i + 1
End If
Loop
数组元素 a(1)到 a(6)的值依次为“2,0,2,1,1,0”。执行该程序段后,下列说法不正确的是( )