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

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Silver Slippery Stag Film
  11/18/18
I read that article. 180 duder. 140ish anime. https://ww...
nighttime pozpig
  11/18/18
...
Splenetic Black Woman
  11/18/18
180 anime
Big-titted bawdyhouse
  11/18/18
https://warosu.org/sci/thread/S3751105#p3751197
French Lilac Quadroon Mexican
  11/18/18
lol at this having a link
Frozen shrine mental disorder
  11/18/18
...
Purple up-to-no-good water buffalo
  11/18/18
how many different ways can you arrange 14 items/numbers? t...
Abusive wild temple athletic conference
  11/18/18
it's not about finding all arrangements of 14 items (there a...
swollen clear community account
  11/18/18
oh i see what they're saying... "Over lapping is all...
Abusive wild temple athletic conference
  11/18/18
Shortest and longest list
Aqua excitant senate genital piercing
  11/18/18
you can easily make arbitrarily long ones (e.g. for n=2 do 1...
swollen clear community account
  11/18/18
Now imagine you're an architect and it's 14 front doors.
Frozen shrine mental disorder
  11/18/18
180
180 abode
  11/18/18
https://www.quantamagazine.org/sci-fi-writer-greg-egan-and-a...
French Lilac Quadroon Mexican
  11/18/18
this is why the male group compact of 'patriarchy'/monogamou...
Abusive wild temple athletic conference
  11/18/18


Poast new message in this thread



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Date: November 18th, 2018 8:56 AM
Author: Silver Slippery Stag Film



(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: nighttime pozpig

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: Splenetic Black Woman



(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: Big-titted bawdyhouse

180 anime

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



Reply Favorite

Date: November 18th, 2018 10:23 AM
Author: French Lilac Quadroon Mexican

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: Frozen shrine mental disorder

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: Purple up-to-no-good water buffalo



(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: Abusive wild temple athletic conference

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: swollen clear community account

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: Abusive wild temple athletic conference

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: Aqua excitant senate genital piercing

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: swollen clear community account

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: Frozen shrine mental disorder

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: 180 abode

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: French Lilac Quadroon Mexican

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: Abusive wild temple athletic conference

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)