Timeline for One hat's number is the sum of the other 2. How did A figure out his hat number?
Current License: CC BY-SA 4.0
17 events
| when toggle format | what | by | license | comment | |
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| Jul 24 at 21:30 | comment | added | Hemant Agarwal | @Servaes , request you to pls repost your answer. I liked your answer. | |
| Jul 24 at 14:24 | comment | added | Carmeister | Minor nitpick about the problem statement - the conditions on the numbers should be specified as common knowledge - i.e. not just "everyone knows X", but also "everyone knows that everyone knows X", "everyone knows that everyone knows that everyone knows X", etc. | |
| Jul 24 at 11:43 | comment | added | Hemant Agarwal | @AndrewSavinykh , thank you for pointing this out. I have added the order. | |
| Jul 24 at 8:59 | history | edited | Hemant Agarwal | CC BY-SA 4.0 |
added 28 characters in body
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| S Jul 24 at 4:05 | history | suggested | Greg Martin | CC BY-SA 4.0 |
changed to inclusive pronouns—not all logicians are male
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| Jul 24 at 2:08 | comment | added | Andrew Savinykh | For reference: quick googling get's this for the original problem and this for the solution. The problem does state the order of turns unlike this question. The solution, though same as OP I feel, is not explained very well. Definitely for the people who can fill in the gaps. | |
| Jul 24 at 1:13 | review | Suggested edits | |||
| S Jul 24 at 4:05 | |||||
| Jul 23 at 16:13 | answer | added | Ed Murphy | timeline score: 7 | |
| Jul 23 at 15:10 | comment | added | FirstName LastName | With positive integer you don't allow 0, right? Or do you? Now, if not allowed and if first round A sees multiple of 1 1 then A knows to have corresponding multiple of 2 (because having 0 is not allowed). | |
| Jul 23 at 14:44 | history | edited | Hemant Agarwal | CC BY-SA 4.0 |
added 171 characters in body
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| Jul 23 at 14:43 | comment | added | Hemant Agarwal | @Servaes , they pass one by one and everybody can hear everybody else. | |
| Jul 23 at 14:38 | comment | added | user90442 | Do they all three pass simultaneously, or do they pass one by one? For instance, the first time that B passes, does he now that A has passed? | |
| Jul 23 at 13:51 | history | edited | Hemant Agarwal | CC BY-SA 4.0 |
added 270 characters in body
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| Jul 23 at 11:00 | answer | added | ralphmerridew | timeline score: 8 | |
| Jul 23 at 5:20 | history | became hot network question | |||
| Jul 22 at 21:36 | history | edited | RobPratt |
edited tags
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| Jul 22 at 21:20 | history | asked | Hemant Agarwal | CC BY-SA 4.0 |