this post was submitted on 23 Oct 2025
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[–] Mechaguana@programming.dev 0 points 1 year ago (2 children)

How is that a valid answer, they would both point at a different door

[–] MajorasTerribleFate@lemmy.zip 0 points 1 year ago* (last edited 1 year ago) (1 children)

The liar, knowing the truth-teller will point to the good door, points to the bad door.

The truth-teller, knowing the liar would point to the bad door, points to the bad door.

Either way, you take the one your guard doesn't point to.

[–] Mechaguana@programming.dev 0 points 1 year ago (1 children)

But they would have to keep adjusting since they both have to answer acco4ding to what the other one says

no because the question was which door would the other person say is safe, they both point to the not safe door

[–] zarkony@lemmy.zip 0 points 1 year ago (1 children)

They will both point to the bad door.

If asking the thruthful guard, he will point to the door the liar says is safe, which would be the bad door. If asking the liar, he would consider what the thruthful guard says is safe, then reverse that answer, still ending up on the bad door.

They cancel out, so whichever guard you ask doesn't matter.

[–] Mechaguana@programming.dev 0 points 1 year ago (1 children)

Wouldnt they instead keep pointing like clockwork towards different doors seeing that they would have to adjust for the other guard?

[–] ChairmanMeow@programming.dev 0 points 11 months ago

No because them pointing at a door is answering a different question than the one that was posited in the question.