[ VB2010 ] - 010 限定範圍重複流程

[ VB2010 ] - 010 限定範圍重複流程

●在主控台應用程式裡印出15~21：

●在主控台應用程式裡列印出99,97~83,81：

●計算1+2+3+...+998+999+1000的總和：

●計算1+4+7+...+94+97+100的總和：

●列出1元,5元,10元,50元硬幣加起來等於100元的排列組合：

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim I As Long
        For I = 15 To 21
            TextBox1.Text = TextBox1.Text & CStr(I) & Chr(13) + Chr(10)
        Next
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim I As Long
        For I = 99 To 81 Step -2
            TextBox1.Text = TextBox1.Text & CStr(I) & Chr(13) + Chr(10)
        Next

    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Dim I As Long
        Dim Sum As Long
        TextBox1.Text = "●計算1+2+3+...+998+999+1000的總和："
        TextBox1.Text = TextBox1.Text & Chr(13) + Chr(10)
        Sum = 0
        For I = 1 To 1000
            Sum = Sum + I
        Next
        TextBox1.Text = TextBox1.Text & Chr(13) + Chr(10) & "Sum = " & CStr(Sum)
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        Dim I As Long
        Dim Sum As Long
        Sum = 0
        TextBox1.Text = "●計算1+4+7+...+94+97+100的總和："
        TextBox1.Text = TextBox1.Text & Chr(13) + Chr(10)
        For I = 1 To 100 Step 3
            Sum = Sum + I
        Next
        TextBox1.Text = TextBox1.Text & Chr(13) + Chr(10) & "Sum=" & Sum
    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        Dim T1, T5, T10, T50, I As Integer
        TextBox1.Text = "●列出1元,5元,10元,50元硬幣加起來等於100元的排列組合："
        TextBox1.Text = TextBox1.Text & Chr(13) + Chr(10)

        For T1 = 0 To 100

            For T5 = 0 To 20
                For T10 = 0 To 10
                    For T50 = 0 To 2
                        If T1 + T5 * 5 + T10 * 10 + T50 * 50 = 100 Then
                            I = I + 1
                            TextBox1.Text = TextBox1.Text & Chr(13) + Chr(10) & "第" & I & "排列組合："
                            TextBox1.Text = TextBox1.Text & "1元" & T1 & "枚,5元" & T5 &
                                              "枚,10元" & T10 & "枚,50元" & T50 & "枚"
                        End If
                    Next
                Next
            Next
        Next


    End Sub
End Class