The Nineteenth Byte

Mr. Xcoder

18:00

@Okx I know, but this is fun

Business Cat

@Okx Gaia, 2 bytes: ṙ×

Mr. Xcoder

@HyperNeutrino We both have +110 today (for now)

Erik the Outgolfer

btw the k in Okx breaks it into

Downgoat

@Okx chedar: x->[x]*x

Erik the Outgolfer

HyperNeutrino

18:00

lol

Erik the Outgolfer

(leading empty line)

Okx

Mr. Xcoder does something

HyperNeutrino

@AdmBorkBork Stack?

Erik the Outgolfer

@Okx yeah it's what Erik the Outgolfer does...damn I got outgolfed >_<

HyperNeutrino

Okx  Main link
O    ord
 k   Discard everything before it???
  x  Repeat (input) (input) times

Mr. Xcoder

18:01

@Okx We did that earlier. Erik the Outgolfer does the same thing.

Okx

The outgolfer outgolfed by a non-outgolfer

Mr. Xcoder

@Okx

14 mins ago, by Mr. Xcoder

1 min ago, by Mr. Xcoder

@HyperNeutrino loool, must look: Mr. Xcoder

Erik the Outgolfer

@HyperNeutrino k actually does something weird

HyperNeutrino

Anyone else want an explanation for their username?

Step Hen

@HyperNeutrino sure

Erik the Outgolfer

18:02

@HyperNeutrino wait Mego does something interesting...of course it's identity if it's a list of numbers but otherwise...

2EZ 4RTZ

WHAT! Don't read if you cry ez. It is depressing. (Not NSFW FYI)

Huh

Not NSFW is double negative. Safe for Work

HyperNeutrino

What does [monad][dyad][dyad][dyad] chain to

Okx

CMC: An alias I sometimes use, Olafooma, does the following in Jelly: If the input is an integer, echo the integer. If it is an integer list, repeat the list by the length of it. Examples: 4 -> 4, [5, 2, 4] -> [[5, 2, 4], [5, 2, 4], [5, 2, 4]]

Mr. Xcoder

@HyperNeutrino Try to explain this one: fəˈnɛtɪk/

HyperNeutrino

o

Erik the Outgolfer

18:04

@Okx 2 bytes: ẋL

(full program)

oh wait no

Okx

why can't full names be the golfiest versions

Mr. Xcoder

fəˈnɛtɪk means identity in Jelly.

Erik the Outgolfer

WẋL in fact

@Mr.Xcoder yeah and how is ə in jelly codepage or something?

or ɛ? or ɪ?

HyperNeutrino

Jelly, another one: WṁJ

Mr. Xcoder

@EriktheOutgolfer It isn't. But it works and it's all that matters. I have no idea what it maps to

Erik the Outgolfer

18:06

well you can't claim 8 bytes if it isn't

and I think it maps to two empty lines or something

Mr. Xcoder

@EriktheOutgolfer Did I ever say it's 8 bytes?

2EZ 4RTZ

I can double VTC my own answer. You put first dupe vote. and another puts one, then you tell community it is a dupe

Erik the Outgolfer

so now we close answers too?

Step Hen

@Mr.Xcoder no, but if you piped it through a file instead of in UTF8, you couldn't do that

Okx

ok then jelly does this for trichoplax

HyperNeutrino

18:07

Step Hen  Main Link, argument is z
S         sum(z)
 t        Trim the right argument from sum(z)
  e       Does this contain the right argument?
   p      Cartesian product with the right argument
     H    Halve each value
      e   Does this contain the right argument?
       n  Is the unequal to the right argument?

Okx

explain?!??

Step Hen

@HyperNeutrino so space is no-op?

HyperNeutrino

Space is just a literal separator

Mr. Xcoder

@Okx Even more interesting

Okx

not really

2EZ 4RTZ

18:08

Dennis

If all 3 args are equal return 1

Mr. Xcoder

I am bored to extreme

Step Hen

11 mins ago, by HyperNeutrino

Dennis  Main link
D       Decimal digits of the input
 e      Does it contain the result of the right link?
  n     Not equals
   n    Not equals
    i   Index, find
     s  Split into slices

2EZ 4RTZ

Imma go weedeat

Okx

AdmBorkBork is basically a cat program in Jelly... can someone explain?

2EZ 4RTZ

I am sad that it doesn't bork stuff up

Erik the Outgolfer

18:10

@2EZ4RTZ actually 2

Mr. Xcoder

Stop creepy programs in Jelly (hmm, I might have just made myself and anyone around creepy)

Erik the Outgolfer

@Okx the last k is deleting the whole program and the empty program is identity

Okx

oh

:(

2EZ 4RTZ

@Mr.Xcoder creepy

Prints first arg

HyperNeutrino

Wait k deletes the whole program? :o

Mr. Xcoder

18:12

CMC: Given an integer / string representation of an integer, sum its prefixes converted to integer.

Erik the Outgolfer

@Mr.Xcoder huh?

example?

Okx

@Mr.Xcoder neim 2 bytes <buitin for prefixes> <builtin for sum>

Mr. Xcoder

@EriktheOutgolfer 123 -> prefixes: [1, 12, 123] -> sum: 136.

HyperNeutrino

Jelly: D;\ḌS

Okx

wow that's long

Erik the Outgolfer

18:14

Jelly, 5 bytes: D;\VS

Mr. Xcoder

@EriktheOutgolfer Brownie points for 5 bytes in Pyth

Erik the Outgolfer

hey look 'ma no unicode!

HyperNeutrino

D;\ḌS  Main link
D      Digits
  \    Cumulatively reduce by
 ;     Concatenation
   Ḍ   Convert each back to an integer
    S  Sum

Erik the Outgolfer

@Mr.Xcoder 5 = impossible

but I can do in 6

Mr. Xcoder

Show me

I can do it in 5

Erik the Outgolfer

18:15

ssM._`

that's actually 6

Mr. Xcoder

@EriktheOutgolfer integer / string representation of an integer

Erik the Outgolfer

ssM._

Mr. Xcoder

Yeah

Erik the Outgolfer

hey that way I can do it in jelly 4 bytes too

;\VS

HyperNeutrino

Pyth: ssM._

ninja'd ;_;

Mr. Xcoder

18:17

Ninja'd badly

HyperNeutrino

only 1 minute geez

I'm not a Pyth user sheesh xD

@EriktheOutgolfer nice. I forgot I could take string input :P

Erik the Outgolfer

> programmer

Mr. Xcoder

@EriktheOutgolfer Now do it in 05AB1E

Erik the Outgolfer

like you get respect and salary from reviewers for it

@Mr.Xcoder 2 bytes

Mr. Xcoder

Ok

Erik the Outgolfer

18:18

(and I didn't even type the program lol)

HyperNeutrino

ηO?

Erik the Outgolfer

yeah

HyperNeutrino

yay

Mr. Xcoder

@HyperNeutrino >_>

Erik the Outgolfer

and no you don't take string representation of integer

you take integer itself

Mr. Xcoder

18:19

@EriktheOutgolfer I know. 05AB1E automatically converts between strings and integers.

depending on the context

Erik the Outgolfer

most of the time

Mr. Xcoder

Yeah

Erik the Outgolfer

sometimes it does different things to ints and strings though

notjagan

in theory if there was a language that could take one input as an argument with no flags

but the remainder as stdin

and that first input was treated differently

Mr. Xcoder

Give me a CMC for 05AB1E (and Hyper: if you solve it, at least spoiler first).

notjagan

18:20

would it count extra for bytes?

Mr. Xcoder

@notjagan No idea

HyperNeutrino

CMC: Flatten a list without using a flatten built-in (subjective)

Mr. Xcoder

Ok

Erik the Outgolfer

@HyperNeutrino how is that subjective?

HyperNeutrino

@notjagan Depends. If the user needs to type extra bytes to get the desired behaviour, then yes. If it's implicit, then no.

Erik the Outgolfer

18:21

btw the builtin you're forbidden to use is ˜

Mr. Xcoder

the definition of built-in is subjective

Okx

@HyperNeutrino Neim, 0 bytes: Neim only has 1-dimensional arrays

2EZ 4RTZ

codegolf.meta.stackexchange.com/users/prediction-data

HyperNeutrino

@EriktheOutgolfer There might be some builtins that are borderline "flatten"

Okx

does that count? :P

HyperNeutrino

18:22

@2EZ4RTZ Hey look my life summed up in 3263 lines of JSON

2EZ 4RTZ

"cucumber": 0.000132035478600301

Found that in the URL for me :P

Mr. Xcoder

@HyperNeutrino Target byte count?

HyperNeutrino

idk haven't solved it yet. brb

notjagan

@HyperNeutrino an example of what I thinking was if the program was run with <command> <program-file> <input>

but then the remainder of the inputs were stdin

HyperNeutrino

@2EZ4RTZ "cucumber": 0.000134925896418281

@notjagan If the number of argument and program bytes typed by the character into the TIO program does not require an explicit flag of some sort, then no extra bytes.

2EZ 4RTZ

18:23

Man Hyper has a better cucumber score then me. :_(

HyperNeutrino

I think

Ask on meta :P

Mr. Xcoder

I don't think this CMC is really interesting, because in challenges I'll always use built-ins. Can you give me something more "practical"?

HyperNeutrino

You want practical programming with a golfing esolang?

¯\_(ツ)_/¯ alright I'll see what I can do

Mr. Xcoder

Nevermind, new main challenge

HyperNeutrino

where?

Mr. Xcoder

18:25

on Main

duh

> Python 'abc' and 'cba'

It's kinda boring though

notjagan

@HyperNeutrino after a little looking, the question was already answered on meta, so I guess it should be good

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

Bomberman Given an input Bomberman board b, use the following characters to define the different bomberman tiles: X denotes the outer boundary of the board. X is always in each of the four corners of the board. X may only be on the boundaries of the board. - denotes an empty space. When a...

HyperNeutrino

Would someone explain the downvote?

onvm

2EZ 4RTZ

0

Q: What is the cucumber score?

I found here and wanted some more information of what my cucumber score was supposed to mean. Other users have it as shown here. What does my cucumber score mean?

Mistook what you said

Lol

HyperNeutrino

lol?

Mr. Xcoder

18:28

@HyperNeutrino Better delete and repost

HyperNeutrino

no it got reverted

Mr. Xcoder

Shoot

New Main Posts

1

Q: Python 'abc' and 'cba'

This is a code-golf challenge specific to python. Your task is simple. Write a single code snippet that when executed in Python 2 prints only the string 'abc' and when executed in Python 3 prints only the string 'cba' or vice-versa (the outputs can be the opposite way around). The program should...

code-golf string python polyglot

HyperNeutrino

question: for that challenge, once the shortest answer is posted, the challenge is essentially dead, right?

also I'm sure someone can outgolf me but I don't see how yet lol

AdmBorkBork

@HyperNeutrino Well, whatever. :p

HyperNeutrino

18:34

:P

Mr. Xcoder

@HyperNeutrino Yes, and no one is gonna give you golfing suggestions

HyperNeutrino

yup :P

Okx

@HyperNeutrino are you describing code golf?

HyperNeutrino

lol

no because most challenge allow multiple languages

this one is only a python 2/3 polyglot.

¯\_(ツ)_/¯ I knew someone would outgolf me sooner or later

namely The Outgolfer :P

Mr. Xcoder

Found another solution

notjagan

18:40

@Mr.Xcoder the solution you just commented on does work...?

o nvm

Mr. Xcoder

@notjagan It contained a typo.

@HyperNeutrino Remove your comment. The post has been edited meanwhile.

HyperNeutrino

done

Mr. Xcoder

@HyperNeutrino Tied you

HyperNeutrino

lol

Cows quack

I spent a lot of time doing the math for neutrino's CMC when I realised I got it all wrong...

I tried solving f1'(x) = f2'(x) and that resulted in x = (n+m)/2 where n and m are the x-offsets of the circles

Mr. Xcoder

18:55

I have found print(0**(1/2)and"abc"or"cba"), but it's too long.

I like it a lot though

HyperNeutrino

huh ta.co is a link to taco bell apparently

Mr. Xcoder

Should I post it ^^?

Wheat Wizard

@Mr.Xcoder 0** is the same as 0== but with higher precedence, you can get rid of the parens if you change

saves 2 bytes

notjagan

the only issue is it's basically identical to Erik's answer

Mr. Xcoder

Thanks

Wheat Wizard

18:57

Acutally you can swap abc and cba, and get rid of the ==0 altogether

notjagan

which is then exactly Erik's answer

Wheat Wizard

print(1/2and"cba"or"abv")

Mr. Xcoder

@WheatWizard That's Erik's

Wheat Wizard

Wait why not print("cba")?

What is the challenge here

notjagan

it has to be reversed across python 2 and 3

Mr. Xcoder

18:58

0

Q: Python 'abc' and 'cba'

This is a code-golf challenge specific to python. Your task is simple. Write a single code snippet that when executed in Python 2 prints only the string 'abc' and when executed in Python 3 prints only the string 'cba' or vice-versa (the outputs can be the opposite way around). The program should...

code-golf string python polyglot

Wheat Wizard

Oh I see

Mr. Xcoder

abc in 2, cba in 3 or vice-versa

I wonder if I can golf this: print('abc'[::-(1/2>0)|1])

of course, using the exact same method

HyperNeutrino

I have a 41 byter :P

Mr. Xcoder

@HyperNeutrino Abstain from posting it

HyperNeutrino

:P

print({int:'abc',float:'cba'}[type(1/2)])

Mr. Xcoder

19:00

Really?

>_> >_> >_>

notjagan

if you were to do that you'd be better off with a list and using type(1/2)==int

Mr. Xcoder

You can remove {},:,int,float,type.

Wheat Wizard

@HyperNeutrino Why no print({.5:'abc',0:cba}[1/2])?

HyperNeutrino

lol

Mr. Xcoder

@WheatWizard forgot quotes

Wheat Wizard

19:02

@Mr.Xcoder and a t

@HyperNeutrino print({0:'cba',1/2:'abc'}[0]) is a byte shorter than that

HyperNeutrino

ah I see

ಠ_ಠ

Wheat Wizard

fairly interesting answer

I would upvote it if you posted it, even though its not the shortest

Step Hen

I had one with round(.5) but it was way too long

Mr. Xcoder

I have this: print(["abc","cba"][int(1/2+.5)])

Step Hen

@Mr.Xcoder print(["abc","cba"][round(.5)]) is shorter I believe

but that's still way too long so I didn't post it

Mr. Xcoder

19:08

@StepHen Should not work

Step Hen

@Mr.Xcoder it will

Mr. Xcoder

No

Step Hen

Python 3 does Banker's Rounding, Python 2 doesn't

Wheat Wizard

^

Step Hen

guess I'll post it :)

@Mr.Xcoder oh right I forgot why it borked

HyperNeutrino

19:10

integers...?

vs. floats...?

Step Hen

ya

Wheat Wizard

@StepHen You can use a dictionary to fix that

HyperNeutrino

hm caird wants me to resurrect the OEIS challenge by posting the code verbatim from the OEIS page (I'd CW it). I'm wondering if I should

Step Hen

@WheatWizard is that shorter than just int(round(.5)) though? or do I not get what you are saying

Wheat Wizard

It is 1 byte shorter iirc

New Meta Posts

19:20

0

Q: Are different "versions" of the same language allowed?

I recently (this morning) extended Cubically to have an internal cube of variable size. The cube size is passed via an interpreter flag (-3 for a 3x3x3, -4 for a 4x4x4, etc). All mathematical operations will differ based on the size of the cube. Attempting to add 26 and print it would be a diffe...

discussion support answers languages

Pavel

CMC: given an array [a, b, c, d, e,...] return a+b-c+d-e+....

Mr. Xcoder

I'd like Python to say borked types when you mismatch them.

dzaima

@Pavel SOGL, 9 bytes: č¶Ƨ+-čŗj→ (expects input on stack, could be 8 bytes if not for a bug)

Mr. Xcoder

The challenge is now open for other languages

@EriktheOutgolfer You should add #Python in the header.

cc @StepHen

Helka Homba

@Pavel Well 99 has no arrays but assuming the values are in consecutive variables:

9 99 999 9999 99999 999999 etc...
9

Wait's that's wrong, 99 starts - not + :/

Well assume 999 = 0

AdmBorkBork

19:33

> assume 999 = 0

HyperNeutrino

ono then the universe would bork

Helka Homba

In femtoinches you'd never notice

HyperNeutrino

ಠ_ಠ

Step Hen

@Mr.Xcoder done, thanks

Helka Homba

CMC: Iteratively replace the "C"'s in "CMC" with "CMC". So 0 -> CMC, 1 -> CMCMCMC, 2 -> CMCMCMCMCMCMCMC

etc

AdmBorkBork

19:46

PowerShell 59 bytes -- Try it online!

Pavel

a='CMC';$_.to_i.times{a=a.gsub/C/,'CMC'};$_=a

dzaima

@HelkaHomba SOGL, 10 bytes: CMC”.{ CΙŗ

Pavel

Uses -p

dzaima

SOGL, 9 8 bytes: 2.I^ΖCMΟ

HyperNeutrino

Jelly, 24 bytes (i.e. TOO LONG): ṣ”ML“CMC”W¤ẋj”M¶“CMC”Ç⁸¡

there's no string substitution as far as I know :(

Step Hen

19:53

I am so freaking done, I keep being dumb and getting stuck on the fact that getting an HTML attribute in JavaScript returns a string

2EZ 4RTZ

Anyone play dota here?

I just keep trying to find people :P

Step Hen

@2EZ4RTZ used to play LoL but it took up way too much time to do anything

2EZ 4RTZ

@StepHen ¯\_(ツ)_/¯ not like LoL is even good. jkjkjkjkjk but ik how you feel. I burn time

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