用vb程序編寫程序，輸出輸出n=7“楊輝三角”,排列形狀像三角形

Dim A() As Long, N As Integer, I As Integer, J As Integer, X As Integer

N = 7

ReDim A(N, N)

For I = 1 To N

For J = 1 To I

If J = 1 Or I = J Then

A(I, J) = 1

Else

A(I, J) = A(I - 1, J - 1) + A(I - 1, J)

End If

Next J

Next I

For I = 1 To N

Print Spc(25 - 3 * I);

For J = 1 To I

Print A(I, J);

X = Len(CStr(A(I, J)))

If X = 1 Then Print Spc(3);

If X = 2 Then Print Spc(2);

If X = 3 Then Print Spc(1);

Next J

Print

Print

Next I

End Sub