practice7_10.frm

深圳大学的vb上机与教学的课件

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "打印杨辉三角"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   2  '屏幕中心
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim a() As Double, n As Double
Private Sub Form_click()
  Form1.Cls
  n = InputBox("请输入行数", "行数", "0")
  ReDim a(1 To n, 0 To n) As Double
  For i = 1 To n
    a(i, 0) = 0
    a(i, 1) = 1
    a(i, i) = 1
    For j = 1 To i - 1
      a(i, j) = a(i - 1, j - 1) + a(i - 1, j)
    Next j
  Next i
  For i = 1 To n
    For j = 1 To i
      Print Format(a(i, j), "!@@@@@@");
    Next j
    Print
  Next i
End Sub