this post was submitted on 31 Jan 2025
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[–] muntedcrocodile@lemm.ee -2 points 10 hours ago (2 children)

Surly he is smart enough to do some combinatorics to figure out who is leaking the meetings.

It's the classic riddle of u have 1000 bottles of wine 1 is poisoned and u have 10 prisoners to test the wine. U must test all the bottles in 4 days, however it takes 3 days for the poison to take effect.

hintWith 10 prisoners u can test up to 1024 bottles

[–] lvxferre@mander.xyz 2 points 1 hour ago (1 children)

solutionNumber all bottles in binary, starting from 0000000000. Then the Nth prisoner drinks all wines where the Nth digit is "1". have each prisoner drinking the wines where a certain digit is "1".

So for example. If you had 8 bottles and 3 prisoners (exact same logic):

  • number your wines 000, 001, 010, 011, 100, 101, 110, 111
  • Prisoner 1 drinks wines 100, 101, 110, 111; if he dies the leftmost digit of the poisoned wine is 1, if he lives the poisoned wine starts with 0
  • Prisoner 2 drinks wines 010, 011, 110, 111; if he dies the mid digit is 1, else it's 0
  • Prisoner 3 drinks wines 001, 011, 101, 111; if he dies the right digit is 1, else it's 0

If nobody dies the poisoned wine is numbered 000. And if all die it's the 111.

[–] muntedcrocodile@lemm.ee 1 points 36 minutes ago

Did ya need the hint?

[–] antithetical@lemmy.deedium.nl 2 points 4 hours ago

Thanks for that little riddle, managed to solve it (with the hint) during my morning coffee.