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4chan user solves 25y.o. mathematics problem while discussing anime

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mauve market
  11/18/18
I read that article. 180 duder. 140ish anime. https://ww...
adventurous nubile set tattoo
  11/18/18
...
Sooty Chapel Nibblets
  11/18/18
180 anime
Exhilarant theater
  11/18/18
https://warosu.org/sci/thread/S3751105#p3751197
hot coldplay fan trump supporter
  11/18/18
lol at this having a link
House-broken Hairless Plaza Background Story
  11/18/18
...
Bat-shit-crazy Underhanded Church Marketing Idea
  11/18/18
how many different ways can you arrange 14 items/numbers? t...
judgmental rusted hell round eye
  11/18/18
it's not about finding all arrangements of 14 items (there a...
arousing talking queen of the night private investor
  11/18/18
oh i see what they're saying... "Over lapping is all...
judgmental rusted hell round eye
  11/18/18
Shortest and longest list
translucent elite generalized bond
  11/18/18
you can easily make arbitrarily long ones (e.g. for n=2 do 1...
arousing talking queen of the night private investor
  11/18/18
Now imagine you're an architect and it's 14 front doors.
House-broken Hairless Plaza Background Story
  11/18/18
180
Copper cerebral boltzmann blood rage
  11/18/18
https://www.quantamagazine.org/sci-fi-writer-greg-egan-and-a...
hot coldplay fan trump supporter
  11/18/18
this is why the male group compact of 'patriarchy'/monogamou...
judgmental rusted hell round eye
  11/18/18


Poast new message in this thread



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Date: November 18th, 2018 8:56 AM
Author: mauve market



(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37255951)



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Date: November 18th, 2018 8:58 AM
Author: adventurous nubile set tattoo

I read that article. 180 duder. 140ish anime.

https://www.rt.com/news/442388-4chan-solution-math-problem/

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37255961)



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Date: November 18th, 2018 9:04 AM
Author: Sooty Chapel Nibblets



(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37255983)



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Date: November 18th, 2018 10:26 AM
Author: Exhilarant theater

180 anime

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256281)



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Date: November 18th, 2018 10:23 AM
Author: hot coldplay fan trump supporter

https://warosu.org/sci/thread/S3751105#p3751197



(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256268)



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Date: November 18th, 2018 10:28 AM
Author: House-broken Hairless Plaza Background Story

lol at this having a link

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256298)



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Date: November 18th, 2018 10:43 AM
Author: Bat-shit-crazy Underhanded Church Marketing Idea



(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256383)



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Date: November 18th, 2018 10:29 AM
Author: judgmental rusted hell round eye

how many different ways can you arrange 14 items/numbers?

that doesn't sound like a very complex problem?

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256308)



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Date: November 18th, 2018 10:33 AM
Author: arousing talking queen of the night private investor

it's not about finding all arrangements of 14 items (there are 14! of those), it's about finding the shortest list (each element of which is one of the 14 possibilities) which contains all 14! permutations within it as sub-lists of contiguous elements

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256327)



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Date: November 18th, 2018 10:39 AM
Author: judgmental rusted hell round eye

oh i see what they're saying...

"Over lapping is allowed. For example, in the case of n=2, watching episode 1, then 2, then 1 again, would fit the criteria.

The orders must be continuous. For example, (1,2,1,3) does NOT contain the sequence (1,2,3)"

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256354)



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Date: November 18th, 2018 10:40 AM
Author: translucent elite generalized bond

Shortest and longest list

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256361)



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Date: November 18th, 2018 10:43 AM
Author: arousing talking queen of the night private investor

you can easily make arbitrarily long ones (e.g. for n=2 do 11111111...1111121 with arbitrarily many 1s at the start), the exact length of the minimal string for any n is unknown but they give lower and upper bounds on it for n=14 in the article. the 4chan guy found a lower bound for all n and Greg Egan found an upper bound for all n

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256387)



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Date: November 18th, 2018 10:38 AM
Author: House-broken Hairless Plaza Background Story

Now imagine you're an architect and it's 14 front doors.

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256350)



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Date: November 18th, 2018 10:36 AM
Author: Copper cerebral boltzmann blood rage

180

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256339)



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Date: November 18th, 2018 10:46 AM
Author: hot coldplay fan trump supporter

https://www.quantamagazine.org/sci-fi-writer-greg-egan-and-anonymous-math-whiz-advance-permutation-problem-20181105/

Contains a link to the actual paper. The first author credit is given to "Anonymous 4chan Poster".



(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37256406)



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Date: November 18th, 2018 2:02 PM
Author: judgmental rusted hell round eye

this is why the male group compact of 'patriarchy'/monogamous marriage is inevitable.

'beta males' serve a useful function and advance human civilization. while women are just birdbrained walking baby incubators who get suckered into voting for open-borders by seditious jews.

(http://www.autoadmit.com/thread.php?thread_id=4136180&forum_id=2#37257583)