The Nineteenth Byte - 2022-06-17 (page 2 of 2)

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3:18 PM

CMC: functions f and g such that f(g(c))(x) ≡ g(x) for all x, for exactly one value of c

Does this mean f takes two arguments?

yeah, ok, you can see it that way

In APL, I'd write that as (x f g c) ≡ g x

@pxeger do i make 2 functions satisfying those conditions?

yes

3:24 PM

looks very hard..

for my tiny brain

Yes, I think it's an interesting computational puzzle

3:36 PM

so f takes (something) as input and returns a function?

or you could make f a function that takes two arguments

right hm

@WheatWizard [4,4,1,4,2,5,1] is better for n=7

f(x,y) = xy
g(x) = x
c=1

Nice

3:39 PM

im sure there are interesting nontrivial answers too :P

Bonus puzzle: do it without (hover for spoiler)

oops

i wonder what this spoiler says

can you not just (hover for spoiler)

hmm actually I think (hover for spoiler)

@WheatWizard Is there an accepted name for "a directed graph where every node has at most two arcs out"?

@pxeger nice generalization :D can it work in cases where that is not the case?

cases where that is not case....

"in different cases"?

@pxeger Don't think so.

3:53 PM

@thejonymyster I think that's basically the total solution space

darn

@pxeger Note that not every directed graph where every node has at most two arcs out is a valid lilypond.

@pxeger i hate hover for spoilers cause i cant see them on mobile

we should start pastebinning spoilers

@thejonymyster dzaima.github.io/…

3:58 PM

@pxeger wait how did you do that

@PyGamer0 Sometimes I use https://t.pxeger.com/xs.html?v=Tony+Stark+dies+in+Endgame, but that's kinda a pain to type out

@Seggan check the edit history and test in sandbox :P

I'd like to be able to use data:text/plain,Tony+Stark+dies+in+Endgame, but SE doesn't recognise data: URIs

sorry to anyone who's not yet watched Endgame

@thejonymyster ah

I haven't but I don't think I ever will and I don't know who Tony Stark is.

4:00 PM

sandbox

I've not watched it either. I don't know why that was the first spoiler I thought of

@pxeger what is endgame?

Avengers movie from 2019

oh fun fact: endgame was the first marvel movie i watched :P

@WheatWizard some guy with an iron suit and a watch at his heart of the suit?

@PyGamer0 started at the end, now you have to watch all the way backwards to startgame

@PyGamer0 same lol

4:15 PM

Is Endgame the one where half the world dies or the one after that?

4:30 PM

the one after

infinity war is the one where half the universe dies

and my second marvel movie was spiderman-no way home

which i watched with 2 of my classmates :p

it was boring

seems like mama fun roll has posted after 3 years!

(and in BQN!)

almost exactly 3 years, in fact

coincidence?

yesterday, by Mama Fun Roll

https://codegolf.stackexchange.com/a/248677/41247 anyone well-versed in BQN have any ideas for golfing this down?

2019 really does not feel like 3 years ago ngl

4:39 PM

well there were about 2 years of void between then and now

5

@hyper-neutrino yeah..

lmao autocorrect

covid -> void

it feels like yesterday

@pxeger LMAO

amazing outdated autocorrect

what browser yall recommend for my 7 year old laptop that has to run visual studio unity and blender all at the same time

i need one that has the least performance impact

internet explorer 7

4:48 PM

@pxeger void covid(void)

both work :P

Hello again...

it's almost the end of the school year so I might finally have time to golf again

Hi guys

I'm in some camp and I have nothing to do but eat pizza except that I don't eat cheese.

5:09 PM

take all the cheese off

5:32 PM

Doesn't Java need something like void covid?

5:49 PM

@pxeger Apology accepted :P

@Adám yeah

literally every c language

6:34 PM

@mathcat Put the pizza in the microwave until the cheese starts flowing. Then put that cheese into a cup and drink it. Voila, you have consumed the cheese by drinking it instead of eating it

@Adám Need for what?

6:51 PM

I think I'll eat my oreos instead

dang

2 hours later…

8:54 PM

0

Q: Generate Fibonacci Primes Quickly

Unsurprisingly, fibonacci primes are primes that are also Fibonacci numbers. There are currently 34 known Fibonacci primes and an additional 15 probable Fibonacci primes. For the purpose of this challenge, the Fibonacci numbers are the sequence \$F_n\$ defined as \$F_1 = 1\$, \$F_2 = 1\$, and \$F...

primes fastest-code fibonacci

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Jun '2217

The Nineteenth Byte

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