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马鞍点
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim arrSaddle(5, 5) As Integer
Dim i%, j%, intPos%
Dim blnFlag As Boolean
arrSaddle = {
{73, 58, 62, 36, 37, 79},
{11, 8, 13, 73, 14, 47},
{87, 81, 63, 96, 88, 75},
{52, 36, 60, 68, 33, 35},
{84, 84, 63, 98, 91, 70}
}
For i = 0 To 4
intPos = 0
For j = 1 To 5
If arrSaddle(i, j) arrSaddle(i, intPos) Then
intPos = j
End If
Next
blnFlag = True
For j = 0 To 4
If arrSaddle(j, intPos) arrSaddle(i, intPos) Then
blnFlag = False
Exit For
End If
Next
If blnFlag Then TextBox1.Text = 第 i 行,第 intPos 列 vbCrLf
Next
End Sub
斐波那契数列找素数
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim arrA(20), i, j
Dim flag As Boolean
arrA(0) = 1 : arrA(1) = 1 : arrA(2) = 1
Label2.Text = Fibonacci为a:êo1 1 1
For i = 3 To 20
arrA(i) = arrA(i - 3) + arrA(i - 2) + arrA(i - 1)
Label2.Text = Label2.Text arrA(i)
flag = True
For j = 2 To arrA(i) - 1
If arrA(i) Mod j = 0 Then flag = False : Exit For
Next
If flag = True Then
TextBox2.Text = arrA(i)
End If
Next
End Sub
*斐波纳契数列(前20项)
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim f%(20), i%
f(1) = 1
f(2) = 1
TextBox1.Text = f(1) f(2)
For i = 3 To 20
f(i) = f(i - 1) + f(i - 2)
TextBox1.Text = f(i)
Next
End Sub
*一百以内素数
Private Sub Button1_C
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