见你那么有耐心,我就用程序来描述一下吧(方法不唯一),其中的东西得你自己消化了,我只能帮到这了:
Dim DaRen,XiaoHai As Boolean
If Rnd*10 Mod 2 = 0 Then
DaRen=True
Else
XiaoHai=True
End If
If DaRen then
DaRen=False
XiaoHai=True
ElseIf XiaoHai Then
XiaoHai=False
DaRen=True
End If
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Repeat Life=Study;Until (death);