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A列中从A1到A20分别为数字1-20

B1为100，为计算的结果（6个数的和）

现在计算A列中哪6个数字的和为100

符合条件的就放在C列中

Sub CountTotal()
Application.ScreenUpdating = False
Range("c:c").ClearContents
Dim a%, b%, c%, d%
Dim e%, f%
Dim x%, tmp As String, K, totalco As Integer
Dim dic
Set dic = CreateObject("scripting.dictionary")

x = Range("a65536").End(xlUp).Row

For a = 1 To x - 5
For b = a + 1 To x - 4
For c = b + 1 To x - 3
For d = c + 1 To x - 2
For e = d + 1 To x - 1
For f = e + 1 To x
If Cells(a, 1) + Cells(b, 1) + Cells(c, 1) + Cells(d, 1) + Cells(e, 1) + Cells(f, 1) = [B1] Then
tmp = Cells(a, 1) & " + " & Cells(b, 1) & " + " & Cells(c, 1) & " + " & Cells(d, 1) & " + " & Cells(e, 1) & " + " & Cells(f, 1) & " = " & [B1]
dic.Add tmp, ""
End If
Next
Next
Next
Next
Next
Next
totalco = dic.Count
'K = dic.keys
'For x = 0 To totalco - 1
'Cells(x + 1, 3) = K(x)
'Next
[C1].Resize(dic.Count, 1) = Application.Transpose(dic.keys) '这个语句也可以用上面四句来完成
MsgBox "共有" & totalco & "条符合记录的！"
Application.ScreenUpdating = True
End Sub

自己感觉这样的算法速度似乎比较慢

慢慢再琢磨有没有快点的算法

如果A列中的数字越多，算起来就越慢了。

类似的过程别人早就有了，只是人家用别的算法（自己写的看得明白，别人写的看起来好费劲