VB简单问题:用循环语句,打印扬会三角形(7-8行即可)

来源:百度知道 编辑:UC知道 时间:2024/05/25 19:14:05
老师要求:不要用数组

xgbbg你真土啊!下面这段代码运行试试。
Private Sub Command1_Click()
Dim i As Long, j As Long, cnr As Long
Dim n As Integer
n = 7
Print 1
For i = 1 To n
cnr = 1
Print cnr;
For j = 1 To i
cnr = cnr * (i - j + 1) / j
Print cnr;
Next
Print
Next

End Sub

杨辉三角形就是用数组解决最方便。
只要能达到目的,有简单的为什么不用呢?你用数组编好上交,没问题的。

只打印前9行
先把form的autoredraw属性改成true,代码如下:
==========================
Option Explicit

Dim a(10, 10) As Long
Dim b(10) As String
Dim i As Byte
Dim j As Byte

Private Sub Form_Load()
a(0, 0) = 1
For i = 1 To 9
For j = 1 To 9
a(i, j) = a(i - 1, j - 1) + a(i - 1, j)
If a(i, j) <> 0 Then
b(j) = b(j - 1) & " " & a(i, j)
End If
Next
Print b(i)
Next
End Sub