填空题
阅读下列程序。 Option Base 1 Private Sub Form CliCk() Dim x(3,3) For j=1 to 3 For k=1 to 3 If j=k then x(j,k)=1 If j<> k then x(j,k)=3 Next k Next j Call fun(x()) End Sub Private Sub fun(a()) For j=1 to 3 For k=1 to 3 Print a (j,k); Next k Next j End Sub 运行程序时,输出的结果是 【12】 。