Jelly Hypertraining - 2017-10-23

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5:55 PM

Hello o/

currently in french class so not sure how much I can be active here but probably quite a bit

hello o/

Old challenges or CMCs?

why not some old challenges :)

caird coinheringaahing

I'm on mobile, so I can do basic ones

Sure, what tag should we look for?

5:56 PM

(I'm probably going to use this JHT session to develop Enlist a bit)

array-manipulation

Wow there were lots of challenges on Main today...

After a completely inactive day of Sunday

@HyperNeutrino yeah thought of that too.

caird coinheringaahing

Yeah, people not our age have stuff to do on Sundays :P

well people not our age have work on weekdays... oh wait that's when golfing happens

I have a question: How are you in French class and also have access to a computer?

chromebook

every student in the school board has one because the school board apparently gets a crap ton of funding (or has some sort of agreement with google)

caird coinheringaahing

5:58 PM

CMC: Write Jelly code that is a valid word/sentence in french :P Longest code wins

oh I see...........

@cairdcoinheringaahing ಠ_ಠ

it's very convenient but chromebooks are inherently not great

@HyperNeutrino Don't complain...!

caird coinheringaahing

The code has to work, given a certain input :P

:P

Jelly: non; French = "no", Jelly = "x != y"

6:00 PM

I am searching...

je seems to do nothing if the left argument is an integer

Maybe Je?

if it's a list, it joins it with zeros, unless the right argument happens to contain the left argument as a sublist

Je checks if the range to the length of the left argument is an element of the right argument

So it works :P

yes :P

CMC: Write code in Jelly that will error no matter what input is given to it code-golf

6:02 PM

I like this challenge:

19

Q: Different Way Forward

Given a list of integers produce a Forward Difference at a specified order/depth. For the list of integers: (10, 18, -12, 4, 8, -3, -5, 67, 9, 14) The Forward Differences at the various orders/depths are: 0 10, 18, -12, 4, 8, -3, -5, 67, 9, 14 1 8, -30, 16, 4, -...

code-golf number arithmetic sequence array-manipulation

No Jelly answer

Should be ~3 bytes in think lol

lol 2 bytes

lol 2 bytes

I will be sad if you ninja'd me

caird coinheringaahing

@HyperNeutrino 1 byte

@HyperNeutrino Let's post a non-competing CW

(you shall)

6:04 PM

sure I suppose

lemme make it CW

Also add an explanation :P

yes :P

Nice

caird coinheringaahing

Just a guess but I¡?

language postdates challenge, right?

@cairdcoinheringaahing yes

6:05 PM

@cairdcoinheringaahing Course

@HyperNeutrino Yes

ok I'll add as footnote

@HyperNeutrino I added non-competing, challenge predates consensus.

ok

I added explanation (not much to explain lol)

Should be outgolf Leaky here?

not yet possible in Enlist

6:07 PM

@HyperNeutrino Which?

caird coinheringaahing

@Mr.Xcoder Just a guess, but 3 bytes?

different way forward

@cairdcoinheringaahing No, I think 5

I have 5

caird coinheringaahing

Ah, yeah. 5 bytes

6:08 PM

7276a2006edbc05e114cb0698a6020cd

Of course

then again, maybe some of the atoms/quicks we used postdate the challenge

@HyperNeutrino They all (except for L) do. Let's not post.

oh rip :P

yeah I agree :P

(I am certain Leaky would not write a 16-byter for a 5-byte solution... :P)

How about this one?

6:10 PM

oh so diagonal boustrophedon

Bah It does have a Jelly answer

rip

let's see if we can match/outgolf it :P

it's 10 bytes though

11

ok

(by Dennis)

6:11 PM

oh and it's dennis so good luck beating it lol

I think we can outgolf it

ooh cool

I have 13 for starters

Umm maybe not

@HyperNeutrino We might be able to (ab)use ŒD.

my approach is to flip horizontally, take diagonals, rotate to correct position, alternate reverse and identity, and then flatten

caird coinheringaahing

@HyperNeutrino Are you using tie?

6:16 PM

yes

now 12 bytes

caird coinheringaahing

Then yours post-dates the challenge

yup

I'll try not using it

(The second challenge ever in JHT would have been nicer with tie IIRC)

I still remember the first days of JHT lol...

How does tie work again?

It forms a link that when called, it changes its functionality to the next link

Ok, that only makes things harder to understand :D

6:19 PM

lol :P

caird coinheringaahing

It rotates through the commands bound to it

Ok please give me an example.

does tie work if you tie a monad and a dyad together?

@Mr.Xcoder U¹ƭ€ reverses every other sublist in a matrix

it ties reverse and identity together and cycles them

Define every other

(every second sublist)

6:20 PM

ok, got it now

yup

caird coinheringaahing

6

A: Reverse Maths Cycles

Jelly, 10 bytes (fork) +×_:%*6ƭ"Ṛ I was just working on implementing a quick for this the other day, so it's quite surprising to see a use for it so soon. It still only exists as a fork, so you cannot try it online. Sample output $ ./jelly eun '+×_:%*6ƭ"Ṛ' '[1,2,3,4,5,6,7,8,9]' [10, 16, -4, ...

(my (deleted) 99 byte answer tho)

µ_/€JḊḊm6$$$$¦µ:/€JḊḊḊm6$$$$$¦µ%/€JḊḊḊḊm6$$$$$$¦µ*/€JḊḊḊḊḊḊm6$$$$$$$ - U mad bro?

lol

anyway gtg o/

6:24 PM

bye o/

caird coinheringaahing

bye o/

@cairdcoinheringaahing Do you remain?

caird coinheringaahing

@Mr.Xcoder Yeah, but I'm on mobile so I can only do easy-ish challenges

CMC: Given a matrix of integers, return the median of its flattened diagonals (cc @cairdcoinheringaahing)

(so return its flattened median lol)

caird coinheringaahing

5 bytes

6:27 PM

ಠ_ಠ

caird coinheringaahing

nope, 3 bytes :P

i gtg now o/

caird coinheringaahing

o/

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Transcript for

Oct '1723

Jelly Hypertraining

Practice your Jelly :) Rules and stuff are here: golfingsucces...

class code-golf jelly practice

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