vb.net中的部分代码

1、选择排序

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Public Class Form1
    Dim a(10) As Integer
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim i As Integer, j As Integer, k As Integer, t As Integer
        For i = 0 To 10
            a(i) = Int(Rnd() * 100 + 1)
        Next
        For i = 0 To 9
            k = i
            For j = i + 1 To 10
                If a(k) > a(j) Then
                    k = j
                End If
                t = a(k)
                a(k) = a(i)
                a(i) = t
            Next
        Next
        For i = 0 To 10
            Console.Write(a(i) & Space(2))
        Next
    End Sub
End Class

2、冒泡排序

Public Class Form1

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim a(10) As Integer
        Dim i As Integer, j As Integer, t As Integer, k As Integer
        For i = 0 To 10
            a(i) = Int(Rnd() * 100 + 1)
        Next
        For i = 0 To 9

            For j = 1 To 10 - i
                k = j - 1
                If (a(k) > a(j)) Then
                    t = a(k)
                    a(k) = a(j)
                    a(j) = t

                End If
                k = k + 1
            Next

        Next
        For i = 0 To 10
            Console.Write(a(i) & Space(2))
        Next
    End Sub
End Class

3、求1到100内的素数

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim n%, j%, i%
        j = Val(InputBox("输入", "n值"))
        For n = 1 To j
            For i = 2 To Math.Sqrt(n)
                If (n Mod i = 0) Then
                    Exit For
                End If
            Next
            If (i > Math.Sqrt(n)) Then
                Label1.Text = Label1.Text & n
            End If
        Next

    End Sub
End Class
Dim a%, b%, c%
        For a = 0 To 10
            For b = 0 To 10
                For c = 0 To 10
                    If a * a + b * b + c * c = 100 Then
                        Label1.Text = Label1.Text & a & b & c & vbCrLf
                    End If
                Next
            Next

不断更新中，敬请期待。

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vb.net中的部分代码

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