Sub test_1()
Dim a(), b(), i&, s&, t&
a = Array(1, 2, 3, 4, 5, 6, 7)
b = Array(3, 2, 7, 1, 6, 5)
t = 1 + 7
If t Mod 2 Then Else s = t / 2 ' 那句的思路 捣鼓半天弄明白了 , 不过觉得 直接把中间的那个数配对 思路更清晰
For i = 0 To 5
s = s + b(i): s = s Mod t
Next
' If t Mod 2 Then s = t - s Else s = t / 2 - s: If s < 0 Then s = t + s
s = t - s
MsgBox s
End Sub
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