Re: Prisoner dilemma
How would that help in knowing if others have visited??? If somebody comes a second time, say before somebody else comes the first time, does he flip it then? If not, then there's nothing you can tell. And if you, you can only tell that a person has been there at least twice; you cannot infer that everybody has been there unless you know the guards are doing one at a time until everybody goes there. How does your hint help??
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