【简答题】分析下面语句段执行的时间复杂度。 (1) for (i = 1; i <= n ; i ++) for (j=1; j <=n ; j ++) s ++; (2) for (i=1; i <=n ; i ++) for (j=i; j <=n ; j ++) s ++; (3) for (i=1; i <=n ; i ++) for (j=1; j <=i; j ++...
【简答题】下列程序用来在窗体上输出如下图所示大小可变的正方形数据。 Dim a() As Integer Private Sub Form_Click() Dim n As Integer, i As Integer Dim j As Integer, k As Integer n = Val(InputBox("请输入数据:")) For i = 1 To For j = i To n - i + 1 F...