5. 冒泡排序在某一遍加工过程中没有数据交换时,说明数据已经有序,优化程序段如下:
i = 1: flag = True
Do While i < = 4 And flag = True
flag=False
For j = 6 To i + 1 Step -1
If a(j) > a(j - 1) Then
t = a(j): a(j)=a(j-1): a(j-1) = t
flag = True
End If
Next j
i = i + 1
Loop
数组元素a(1)到a(6)的值依次为48,36, 24,97,77,23,经过该程序段加工后,变量i的值是(
)