(1)实现上述功能的 VB 程序如下,显示数据用的Additem 是一种 (单选,填字母:
A.属性名/ | B.事件名/ | C.方法名/ | D.过程名)。 |
(3)程序中加框处代码有错,请改正。
Dim a(1 To 100) As Integer
Dim n As Integer
Function dq(s As String, L As Integer) As String '自定义对齐函数'在输入的字符串 s 前加若干空格,输出长度为 L 的字符串,代码略
End Function
Private Sub Command1_Click() '生成数字矩阵‘随机生成 n^2 个数字,存储在数组 a 中,代码略
‘以一行 n 个,共 n 行的格式显示在 List1 中,代码略
End Sub
Private Sub Command2_Click() '数字矩阵排序
Dim i As Integer, k As Integer, j As Integer, s As String Dim f As Boolean
List2.Clear f= True
For i = 1 To n ^ 2 Step n s = ""
For j = i To
k = n ^ 2
Do While ①
If a(k) < a(k - 1) Then
t = a(k): a(k) = a(k - 1): a(k - 1) = t
End If
k = k - 1
Loop
If f = True Then
s = s + " " + dq(Str(a(j)), 2)
Else
s = " " + dq(Str(a(j)), 2) + s
End If
Next j List2.AddItem s
②Next i End Sub
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2