用对分查找的方法求不等式2x+3x-5≤n(n≥0)的最大正整数解,编写的VB程序段如下: Private Sub Command1_Click( )
Dim L As Integer, R As Integer,n As Integer
x As Integer
n=Val(Text1.Text)
L=1
R=n+1
Do While
x=(L+R)\2
if 2^X+3*x-5<=n Then L=x+1
Else R=x-1
Loop
Label1.Cption=“方程2^X+3*x-5<=n的最大正整数解为:”+
End Sub
要使程序实现上述算法思想,则方框上的语句是( )