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上级操作的代码和示意图(成绩排序)

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上级操作的代码和示意图(成绩排序)2.成绩排序 Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim i As Integer For i = 1 To 10 Me.ListBox1.Items.Add(CInt(InputBox("请输入学生成绩", "成绩输入", 80))) Next End Sub Private Sub Button...

上级操作的代码和示意图(成绩排序)
2.成绩排序 Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim i As Integer For i = 1 To 10 Me.ListBox1.Items.Add(CInt(InputBox("请输入学生成绩", "成绩输入", 80))) Next End Sub Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Dim i As Integer Dim s As Integer For i = 0 To Me.ListBox1.Items.Count - 1 s += CInt(Me.ListBox1.Items(i)) Next MessageBox.Show((s / Me.ListBox1.Items.Count).ToString) End Sub Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Dim i As Integer Dim a(9) As Integer For i = 0 To 9 a(i) = CInt(Me.ListBox1.Items(i)) Next Array.Sort(a) For i = 0 To 9 Me.ListBox1.Items(i) = a(i) Next End Sub Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click Dim i As Integer Dim s As Integer For i = 0 To Me.ListBox1.Items.Count - 1 s += CInt(Me.ListBox1.Items(i)) Next MessageBox.Show((s).ToString) End Sub Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click Dim i As Integer Dim a(9) As Integer For i = 0 To 9 a(i) = CInt(Me.ListBox1.Items(i)) Next Array.Sort(a) Array.Reverse(a) For i = 0 To 9 Me.ListBox1.Items(i) = a(i) Next End Sub Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click End End Sub End Class
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