下列程序段的执行结果为______。Private Sub Command1_Click()n = 0For a = 1 To 20For b = 1 To
下列程序段的执行结果为______。 Private Sub Command1_Click() n = 0 For a = 1 To 20 For b = 1 To 20 For c = 1 To 20 If a * a + b * b - c * c Then n=n+l End If Next c Next b Next a Print n End Sub
A.9
B.12
C.10
D.11