The Nineteenth Byte

Jakube

21:00

@MartinEnder I'm planning to do a few more /// experiments. It's such a clever (but complicated) language. So I made a little interpreter, which allows me to step through the ///-commands. Also it can limit the number of substitutions. This kills the program and shows the already printed chars and the current /// command. You can find it here: github.com/jakobkogler/slashes

Cᴏɴᴏʀ O'Bʀɪᴇɴ

21:13

I'm very disappointed that ruby doesn't allow functions to take function arguments :(

TùxCräftîñg

ಠ_ಠ

Cᴏɴᴏʀ O'Bʀɪᴇɴ

I guess I'll have to fake it with a proc :(

Proc.new { |t| function t}

that is beyond ugly ಠ_ಠ

TùxCräftîñg

ruby is weird ಠ_ಠ

Cᴏɴᴏʀ O'Bʀɪᴇɴ

yes it is.

I don't know if I'm attracted to strange languages, or if strange languages are attracted to me.

TùxCräftîñg

Compose+d+l is my shortcut to type ಠ_ಠ

Cᴏɴᴏʀ O'Bʀɪᴇɴ

21:16

Oh, I see. I have a custom keyboard, so for me it's (windows key)+(space * 3) + z + (windows key) + (space)

ಠ_ಠ

TùxCräftîñg

WATTT

Steven H.

What even

TùxCräftîñg

you must do a konami code-like to type ಠ_ಠ

@DrGreenEggsandIronMan 40 errors when building VsVim :/

Cᴏɴᴏʀ O'Bʀɪᴇɴ

@TùxCräftîñg it's not that bad. windows key + space changes the keyboard layout.

TùxCräftîñg

@CᴏɴᴏʀO'Bʀɪᴇɴ with a compose key it's simpler

i use WinCompose

Cᴏɴᴏʀ O'Bʀɪᴇɴ

21:17

oh?

TùxCräftîñg

so ι ψαν τypε ɐ ℓoτ °f characters

without the need of a custom layout

Cᴏɴᴏʀ O'Bʀɪᴇɴ

interesting

Ashwin Gupta

really really really important question: what actually happens (to your hardware) if you allocate more memory in an array then you have memory in your computer? For example, computer with 8 gb and I acciddently allocate a 2d float[5000000][5000000]

TùxCräftîñg

@AshwinGupta segfault

betseg

Segmentation fault (core dumped)

Ashwin Gupta

21:21

is that gonna do something to the hardware?

betseg

Ah ninja'd

TùxCräftîñg

@AshwinGupta no

Ashwin Gupta

thank god.

TùxCräftîñg

heh

Ashwin Gupta

xD

TùxCräftîñg

21:21

on dos you hae a chance to bork everything with this

feersum

An array allocation of that size would cause an explosion equivalent to roughly 12 kilotons of TNT.

Ashwin Gupta

^^

TùxCräftîñg

but now with paging no problem

Ashwin Gupta

it was an accident

sort of...

Cᴏɴᴏʀ O'Bʀɪᴇɴ

It's what happened to Japan

Ashwin Gupta

21:22

it was an accident that happened because my brain stop working. So I didn't think before I allocated.

TùxCräftîñg

they tried to allocate a array

Ashwin Gupta

xD

TùxCräftîñg

@AshwinGupta your brain have segfaulted in advance

Ashwin Gupta

^^

exactlyyyy....

betseg

Oh i tried to compile a large array, gcc said too large

Ashwin Gupta

21:23

really?

wish visual studio did that...

TùxCräftîñg

@betseg try assembly ¯\_(ツ)_/¯

Steven H.

I might have wanted to start learning Pyth with a simple example, but I'm too far gone to turn back now...

Ashwin Gupta

@TùxCräftîñg I shouldn't be trusted with any low level languages.

Nathan Merrill

@MartinEnder in hexagony, does a hexagon wrap up and to the left, or up and to the right??

betseg

Ashwin Gupta

21:24

@betseg cool, did you make that app?

Nathan Merrill

  a b c
 d e f g
h i j k l
 m n o p
  q r s

TùxCräftîñg

try to abuse the preprocessor ¯\_(ツ)_/¯

it always work

Nathan Merrill

is "a" adjacent to "q" and "r", or "q" and "s"

Ashwin Gupta

Name 1 time thats worked for you.

@NathanMerrill neither...

betseg

@AshwinGupta found on google play lel

@AshwinGupta CppDroid

Ashwin Gupta

21:25

a is adjacent too b and s isnt it?

cool

betseg

@NathanMerrill k and l?

TùxCräftîñg

@AshwinGupta gcc havent crashed, i have putted it in a infinite loop

Nathan Merrill

"a" is not adjacent to "k"

Ashwin Gupta

yeah exactly...

betseg

İ think a is adjacent to L

Nathan Merrill

21:26

oh, then the better question is if "a" is adjaent to "r"

your right, its not adjacent to "s"

Ashwin Gupta

whose right?

Cᴏɴᴏʀ O'Bʀɪᴇɴ

@NathanMerrill both, methinks

Ashwin Gupta

@TùxCräftîñg I "putted" eclipse into an infinite loop and it activated loop protection on me. Bad eclipse.

betseg

@AshwinGupta me github.com/m-ender/hexagony/blob/master/README.md#control-flow

Ashwin Gupta

@betseg holy crap. That looks more painful then brainf*ck

TùxCräftîñg

21:28

@AshwinGupta huh if putted is incorrect, sorry, my english is very bad, and eclipse is evil

betseg

@AshwinGupta actually brainfuck is quite simple. Hexagony is an agony.

Nathan Merrill

wait, this grid makes no sense:

Ashwin Gupta

..

Nathan Merrill

   . . . .          . a . .          . . k .          . g . .
  a b c d e        . . b . .        . . j . .        . h . . a
 . . . . . .      g . . c . .      . . i . . e      . i . . b .
. . . . . . .    . h . . d . .    . . h . . d .    . j . . c . .
 f g h i j k      . i . . e .      . g . . c .      k . . d . .
  . . . . .        . j . . f        f . . b .        . . e . .
   . . . .          . k . .          . . a .          . f . .

Ashwin Gupta

Eclipse isn't evil!

Cᴏɴᴏʀ O'Bʀɪᴇɴ

21:29

I gave up learning hexagony.

betseg

@NathanMerrill why so?

Nathan Merrill

notice how "a" and "k" are on top of each other

Ashwin Gupta

eclipse is downright sweet compared to visual studio.

Nathan Merrill

AND how "g" and "f" are on top of each other

TùxCräftîñg

@AshwinGupta i agree with this point

Ashwin Gupta

21:29

xD

I'm not a huge fan of netbeans or intelliJ. But i haven't really given them a fair chance TBH

FryAmTheEggman

@NathanMerrill It's kind of toroidal, Martin linked a post earlier today that describes it, gimme a set to find it

Nathan Merrill

there are two directions going on here (up/left and up/right)

however, both of the directions are leading to the same point

@FryAmTheEggman I know what you are talking about. I'm not talking about the whole 3d shape, but how the wrapping is inconsistent

let me ask it another way. on the second hexagon, if I move up/left from the "a", where do I end up?

and if I move up/left from the "g" on the 4th hexagon, where do I end up?

FryAmTheEggman

You end up on the k

betseg

@NathanMerrill k

@NathanMerrill i can't see on ma phoen

Nathan Merrill

and on the 4th hexagon, is the "f" that I end up on ?

FryAmTheEggman

21:33

@NathanMerrill You end up on a the f

Nathan Merrill

because the "f" and the "k" are in the same spot

@FryAmTheEggman what if I move up/right on the 4th hexagon?

because that's the direction of the line

Dr Green Eggs and Iron Man

@TùxCräftîñg haha, that's funny. But why are you building it? You can install it directly through VS.

TùxCräftîñg

@DrGreenEggsandIronMan ಠ_ಠ

FryAmTheEggman

You'll also end up on the f

betseg

> The edges of the hexagon wrap around to the opposite edge. In all of the following grids, if an IP starts out on the a moving towards the b, the letters will be executed in alphabetical order before returning to a:

Nathan Merrill

21:34

@FryAmTheEggman so, there are two directions that lead to the same spot?

so, its not a true hexagonal tiling

FryAmTheEggman

Yeah, why is that surprising?

It's not a tiling, it's a torus

Martin Ender

@NathanMerrill it's a bit trickier than that

TùxCräftîñg

@DrGreenEggsandIronMan so how i install it?

Nathan Merrill

  a b c
 d e f g
h i j k l
 m n o p
  q r s
  a b c
 d e f g
h i j k l
 m n o p
  q r s

@MartinEnder the source!

Martin Ender

@NathanMerrill yeah it's not

ven

21:36

@CᴏɴᴏʀO'Bʀɪᴇɴ ... Yes it does

betseg

40

A: What programming languages have been created by PPCG users?

Hexagony Hexagony was created by me, Martin Büttner, in September 2015. As far as I know it is the first two-dimensional programming language which operates on a hexagonal grid (instead of the usual rectangular grid). To make matters worse, opposite edges of the grid wrap around, making the top...

> To make matters worse, opposite edges of the grid wrap around, making the topology of the source code a weird twisted torus.

TùxCräftîñg

@MartinEnder you are really evil

Martin Ender

thank you >:)

ven

You might be looking for ->{}?

Nathan Merrill

@MartinEnder so is the tiling I showed above the correct tiling?

Martin Ender

21:37

well like you said it's not really a tiling

the edges kinda overlap

betseg

Shit there is a cockroach near my bed

ven

@CᴏɴᴏʀO'Bʀɪᴇɴ also, a { b } and a({ b }) don't mean the same thing

Unless I'm drunk. But I think I'm not

Nathan Merrill

@MartinEnder that looks like a tiling to me. Its not a pure hexagonal one

Martin Ender

if you wanted to draw the full periodic plane such that all trajectories are straight lines, you'd have to draw opposite edges on top of each other, and the two commands both get executed

which has some funny implications for mirrors on the edge

if you start on the a going right in this code it executes abcddefg:

  . g .
 / . f .
. . . e .
 a b c d
  . . .

TùxCräftîñg

this language is truly weird

Nathan Merrill

21:40

right, I'm abandoning straight trajectories

but its in essence:

  a b c
 d e f g
h i j k l
 m n o p a b c
  q r s d e f g
       h i j k l
  a b c m n o p
 d e f g q r s
h i j k l
 m n o p
  q r s

Martin Ender

that doesn't really work though

because q r s should lead into h i j k l

as should a b c

Nathan Merrill

ah

ven

How absurd.

Martin Ender

it actually kinda makes sense when you draw it with overlap

betseg

@MartinEnder then...bfabc...?

Martin Ender

21:42

yes

Nathan Merrill

@MartinEnder so, I could start at q, going right, and end up at c?

Martin Ender

@Zgarb oh they do, I was making a different mistake

@NathanMerrill yes, although that depends on a conditional

Nathan Merrill

right

I was reading that

Martin Ender

whether you wrap from l to a or q is a branch

Rohan Jhunjhunwala

what a unique language where the most "Readable" thing u can say about it is it "kinda" makes sense.

I love it!

betseg

21:45

Then there is Shakespeare.

Martin Ender

@Jakube amazing! earlier today I thought about making exactly that :D

Nathan Merrill

@MartinEnder do you care if I quote your github page?

Martin Ender

what is this even for?

Nathan Merrill

er... your upcoming challenge

Martin Ender

oh okay

sure, quote it if it helps :D

Nathan Merrill

21:47

thanks :)

betseg

@MartinEnder was there a 5th invalid answer?

Martin Ender

there's a fifth answer but I haven't checked its validity yet. it seems that mbomb fixed his though

Rohan Jhunjhunwala

@MartinEnder just out of curiosity, is there a policy against mentioning politc figures on the stack exchange network?

Nathan Merrill

  a b c
 d e f g
h i j k l
 m n o p
  q r s

@Martin what happens if I go down/left from m?

Rohan Jhunjhunwala

g

betseg

21:50

g

Rohan Jhunjhunwala

I hope

betseg

@RohanJhunjhunwala y u always ninja

Rohan Jhunjhunwala

:D

Nathan Merrill

so, both left and down/left lead to g"

Rohan Jhunjhunwala

?

TùxCräftîñg

21:51

if it's a toroidal thing, l is at the left

Rohan Jhunjhunwala

oppsite sides wra

its a toroid with an indian burn

betseg

Left-left g-f, bottomleft-bottomleft g-k i think

Nathan Merrill

m always leads to g if you wrap

TùxCräftîñg

this language hurt my brain

Martin Ender

@NathanMerrill yes, both directions lead to g and the direction is preserved

TùxCräftîñg

21:52

>_>

Martin Ender

that's why the mirror example above worked

Nathan Merrill

hmmm, gotcha

Martin Ender

@RohanJhunjhunwala I don't think there's an official policy but that doesn't mean it's a good idea.

Rohan Jhunjhunwala

whoops

ok let me fix it

Nathan Merrill

I didn't realize that a mirror reflected right back, which is why the example went over my head

TùxCräftîñg

21:53

github.com/tuxcrafting/memegolf

Nathan Merrill

I thought it was like a 90 degree mirror

TùxCräftîñg

even multiplication is hard

Rohan Jhunjhunwala

@Martin Ender ok thanks

Martin Ender

@NathanMerrill it's a 60 degree mirror

Rohan Jhunjhunwala

@TùxCräftîñg i love that repo

Martin Ender

21:54

(since you can't move vertically)

TùxCräftîñg

:>

Rohan Jhunjhunwala

6

Q: Wrapped hexagon topology

When a square is wrapped at the edges, obtains a torus. Is it possible to do the same for a hexagon? What is the shape/topology of wrapping a hexagon? Note: I was just reading this https://github.com/aichallenge/aichallenge/wiki/Ants-Problem-Description and came up with this question. I'm a ...

general-topology

if that helps

@NathanMerrill ^

Nathan Merrill

@RohanJhunjhunwala technically, martin's hexagon doesn't wrap like that

Rohan Jhunjhunwala

oh it doesnt

im an idiot :(

whoops ignore me xD

Nathan Merrill

its a bit more convoluted

Rohan Jhunjhunwala

21:55

oh of course

hexAGONY

@Martin Ender do you have a graphic to explain your topology of the hexagons?

quartata

@CᴏɴᴏʀO'Bʀɪᴇɴ what are you talking about

Martin Ender

@NathanMerrill unless you draw the edge of the hexagon through the characters on the outermost rows

does that maybe help make it clearer?

@RohanJhunjhunwala only the ASCII thingies in the docs

Nathan Merrill

@MartinEnder then technically, "a" and "q" are the same spot

Rohan Jhunjhunwala

thanks

Martin Ender

@NathanMerrill right, and when you cross the boundary, both get executed

mbomb007

21:58

I just discovered something amazing. "rpn is a command-line Reverse-Polish Notation calculator" written in Python. Give this guy some views. The number of built-ins is so astounding. I bet it could rival some golfing languages for certain tasks. It's like Mathematica.

4

Martin Ender

@Zgarb this kinda works: jellyfish.tryitonline.net/… but as soon as I try to use J to make it work with arbitrary strings things blow up (even without all the recursion. PJ1 crashes with infinite recursion)

TùxCräftîñg

> 1,006 commits

and 0 stars ಠ_ಠ

poor guy :/

betseg

Do you think i5-3450s and gtx970 would get along well?

Rohan Jhunjhunwala

I gave the poor guy a star @TùxCräftîñg

flawr

@TùxCräftîñg 4 stars=)

TùxCräftîñg

22:01

=)

trying to clone it

but the repo is huge

Rohan Jhunjhunwala

I don't think hexagony is truly a toroidal topology. It is heavily twisted even cut up xD

Geobits

Gah. Initial setup of AppEngine is a pain in the ass.

El'endia Starman

@RohanJhunjhunwala Could be a projective plane topology.

Martin Ender

@NathanMerrill I'm heading off but ping me if you have any other questions.

Rohan Jhunjhunwala

?? whats that?

Nathan Merrill

22:04

@MartinEnder I'm good, thanks. If you come back in a couple of hours, I should have your challenge ready :)

Martin Ender

alright, looking forward to it :)

flawr

@El'endiaStarman I also thought so first, but it isn't

TùxCräftîñg

4 stars and 3 forks ಠ_ಠ

Helka Homba

@TùxCräftîñg describing a restaurant?

3

flawr

@El'endiaStarman It is torroidal, I just found a nice illustration via topological "gluing"

$user image$

TùxCräftîñg

22:06

@HelkaHomba ಠ¯ಠ

good night

New Main Posts

0

Q: King of the Torus!

King of the Torus! Your job is to conquer the torus, but wait, there are multiple other players banded together in teams facing you! You will need to use your wit's to conquer the torus. There are three teams: red, blue and green. Teams are self-assigned arbitrarily. If the teams are even you m...

king-of-the-hill path-finding ai-player

betseg

Do you think i5-3450s and gtx970 would get along well?

Martin Ender

@Zgarb I think I figured out a primality test: jellyfish.tryitonline.net/…

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

code-golf number number-theory math integer Is this number Loeschian? A positive integer k is a Loeschian number if k can be expressed as i^2 + j^2 + i*j for i, j integers. For example, the first positive Loeschian numbers are: 3 (i=j=1); 4 (i=2, j=0); 7 (i=2, j=1); 9 (i=-3, j=3); ... Note...

0

A: Sandbox for Proposed Challenges

Only Even Bytes The scenario Lately you have been noticing some strange behavior with your favorite text editor. At first it seemed that it couldn't write anything to file. However after a few tests you realized that it could write even bytes but when it attemps to write an odd byte it fails. ...

Dr Green Eggs and Iron Man

22:22

@betseg Seems mostly good. Although the CPU is slightly underpowered for a good GPU, and you could get a much better GPU since the pascal series is out.

You could get a GTX 1060 for the same price.

Mᴀʀs Uʟᴛᴏʀ

@CᴏɴᴏʀO'Bʀɪᴇɴ On Linux it should be Compose + - + - + -

@quartata But that's almost essential for golfing in JS :(

Martin Ender

@Zgarb factorial appears to be broken? jellyfish.tryitonline.net/#code=cCFp&input=Mg&debug=on

Rohan Jhunjhunwala

get an 20 core intel xeon at the minimum

:D

betseg

@RohanJhunjhunwala it's about 20*minimum wage in my country

quartata

> Not good for golfing I'll admit

Mᴀʀs Uʟᴛᴏʀ

22:30

@quartata Whoops, didn't read

But I use it sometimes in while (foo = expresssion)

Steven H.

As someone who has no experience with Pyth, I would appreciate some help with fixing this codegolf.stackexchange.com/a/87479/55696

Rohan Jhunjhunwala

@betseg personally i love my i7 monster i think the xeon is a bit overkill

@betseg where do you live (if you don;'t mind disclosing the country)

R. Kap

Any feedback on this newly proposed challenge of mine as part 2 to my last challenge?

0

A: Sandbox for Proposed Challenges

How many Unique Rectangles are There? code-golf So, in my last challenge, you were asked to find all rectangles given a m x n grid of them. However, it turned out to be very trivial as there actually was a mathematical formula to solve the problem that I did not even know about! So now, for a li...

betseg

@RohanJhunjhunwala Turkey

It's on my profile

@RohanJhunjhunwala i7 is about 1,5×minimum wage

R. Kap

@NathanMerrill So, what do you think?

0

A: Sandbox for Proposed Challenges

Count the Unique Rectangles! code-golf So, in my last challenge, you were asked to find all rectangles given a m x n grid of them. However, it turned out to be very trivial as there actually was a mathematical formula to solve the problem that I did not even know about! So now, for a little bit ...

Nathan Merrill

22:38

@R.Kap once again, it depends on the image size

R. Kap

@NathanMerrill I defined it based on a 500 x 500 pixel image.

Nathan Merrill

right, but its simpler simply to add a line at -250 and 250

(for both X and Y)

R. Kap

@NathanMerrill Are you saying the inputs should be 4 item tuples defining each line?

Nathan Merrill

you'd have 8 lines total

basically a list of X lines

and a list of Y lines

Cᴏɴᴏʀ O'Bʀɪᴇɴ

@ven really?

R. Kap

22:40

That's what I'm saying the input will be.

@NathanMerrill Equations corresponding to each horizontal or vertical line.

Nathan Merrill

[-250, -70, 70, 250] and [-250, 50, 50, 250]

should be the input

eh, it doesn't actually matter

the problems actually the same even if you switch them

R. Kap

@NathanMerrill Yeah, that's what the illustration tells you, but again, I'm looking for unique rectangles.

Nathan Merrill

right, but, if I switch my X and Y coordinates (for my solution), I'll always end up with the same number of unique rectangles

R. Kap

So some other x lines and y lines can still result in a 3 x 3 grid, but with more unique rectangles than in the illustration shown because of different segment lengths.

Cᴏɴᴏʀ O'Bʀɪᴇɴ

f = -> (g) { -> (a) { g.call(a, a) } }
add = -> (a, b) { a + b }
puts f(add)(3)

test.rb:4: syntax error, unexpected '(', expecting end-of-input
puts f(add)(3)
            ^

@ven

R. Kap

22:44

@NathanMerrill It will all depend on the length of segments this time. That's why I want the input to be the way it is, so it will be easier to judge segment lengths.

Nathan Merrill

if [1,5,8,23] is my X, and [10,50,200] is my y

Cᴏɴᴏʀ O'Bʀɪᴇɴ

by function arguments, I mean arguments that are functions

New Sandboxed Posts

0

A: Sandbox for Proposed Challenges

Count the Unique Rectangles! code-golf So, in my last challenge, you were asked to find all rectangles given a m x n grid of them. However, it turned out to be very trivial as there actually was a mathematical formula to solve the problem that I did not even know about! So now, for a little bit ...

Nathan Merrill

I'll have N unique rectangles

however, if [10,50,200] is x, and [1,5,8,23] is y

then, I'll still have N unique rectangles

when you switch x/y coordinates your only flipping the entire rectangle, nothing more

R. Kap

@NathanMerrill But then again, if you want me to change it, then I will.

Nathan Merrill

22:46

I really think you should change it

its a weird input format, you're going to get complaints

:)

R. Kap

@NathanMerrill I see your point now. So your saying that the input should be 1 array of X lines, and another of Y lines?

Nathan Merrill

yes

R. Kap

Okay then. Be right back.

New Main Posts

2

Q: Tips for golfing in Trumpscript

Does anyone have any tips for golfing in Trumpscript? Post one tip specific to trumpscript per answer. Note that tips that can apply generally to all languages "remove unnecessary whitespace" are discouraged. I do blieve this is not a duplicate of golfing in javascript as trumpscript is not very ...

tips

betseg

Make PPCG PP again!

R. Kap

22:53

@NathanMerrill What do you think now?

0

A: Sandbox for Proposed Challenges

Count the Unique Rectangles! code-golf So, in my last challenge, you were asked to find all rectangles given a m x n grid of them. However, it turned out to be very trivial as there actually was a mathematical formula to solve the problem that I did not even know about! So now, for a little bit ...

Dr Green Eggs and Iron Man

@NewMainPosts ಠ_ಠ No matter where I go, I see annoying politics.

2

Nathan Merrill

@R.Kap I'd still recommend including the -250 and 250 in both of the arrays

R. Kap

@NathanMerrill Why? It seems unneeded, as we know that they are lines, so they will have infinite length.

Nathan Merrill

because its a bit arbitrary that the square ends at those points

aka, don't have a "bounding square"

R. Kap

@NathanMerrill What do you mean? There will either be vertical or horizontal lines spanning the entire 500 by 500 pixel plane.

Nathan Merrill

22:55

define "plane"

is it the 500x500 square you've given?

R. Kap

@NathanMerrill Yes.

Nathan Merrill

that's the arbitrary part

instead, you don't have a square, but an infinite plane

and lines at -250 and 250

R. Kap

@NathanMerrill So what would the integer limits be?

Nathan Merrill

there aren't any

R. Kap

An what do you mean "have lines at -250 and 250"?

Nathan Merrill

22:57

ok, lets pretend that the lines go on forever, and you still have the 4 lines

(at -70, 70, -50 and 50)

you'll end up with a single square

R. Kap

@NathanMerrill Yeah, that makes sense.

Nathan Merrill

from -70, -50 to 70,50

R. Kap

@NathanMerrill But then, what would the length of each segment be, as I show it in my illustration?

Nathan Merrill

now, if you add additional Y lines at -250 and 250, and X lines at -250 and 250

@R.Kap there would only be 4 segments of length 140 and 100

R. Kap

@NathanMerrill Ah, I see what you mean. The input should define the bonding box.

Nathan Merrill

22:59

basically

R. Kap

So along with the lines as input, I could also input the dimensions of the bounding box.

Nathan Merrill

no, the lines are the bounding box

(at least the outermost ones)

R. Kap

@NathanMerrill Could you propose an edit on my challenge so I can make sure I see what you mean?

@NathanMerrill Okay, I get it now. The center rectangle should define the length of all the other segments.

Basically, the center rectangle will define which rectangles are smaller than the others.

An infinite plane. I see your point.

Nathan Merrill

@R.Kap I edited your challenge

oh, you need to define "unique"

two rectangles are considered identical if they have the same dimensions

R. Kap

@NathanMerrill I'm confused. How does -250,-70,70,250 result in 2 horizontal lines?

Nathan Merrill

23:10

er, 4 horizontal lines

and 4 vertical

my bad :)

R. Kap

@NathanMerrill So do you think it's good now?

Nathan Merrill

yeah. I think you need more test cases

R. Kap

@NathanMerrill I'm adding some more as we speak. But the input format is better now, right?

Nathan Merrill

oh yeah

Cᴏɴᴏʀ O'Bʀɪᴇɴ

@ven is there something better than array.map.with_index(0).map { |el, index| ... }?

Nathan Merrill

23:19

I'd change "find all the rectangles that are only of different lengths" to "find all the rectangles that are only of different dimensions"

Eᴀsᴛᴇʀʟʏ Iʀᴋ

@betseg nice avatar.

Cᴏɴᴏʀ O'Bʀɪᴇɴ

@ven nevermind, I found a better solution.

R. Kap

@NathanMerrill I honestly feel like my other input format was better, as it squally imposed some sort of limit on the input values. Now, the input values can be seemingly endless, which I think does not really make much sense.

Anyone else have any feedback?

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A: Sandbox for Proposed Challenges

Count the Unique Rectangles! code-golf In my last challenge, you were asked to find all rectangles given a m x n grid of them. However, it turned out to be very trivial as there actually was a mathematical formula to solve the problem that I did not even know about! So now, for a little bit more...

Nathan Merrill

@R.Kap you mean that you could have a line at -50000?

R. Kap

@NathanMerrill Yeah, with the way it is right now. I feel like there should be a plane of finite dimensions, so that you actually have a way to tell different segments apart from one another.

Nathan Merrill

23:29

you're right. We often indicate that numbers will fit in your language's integer

so, you can inform them of that assumption

but it makes more sense to me on an infinite plane

R. Kap

@NathanMerrill How about set the dimensions of that plane the the maximum value of the language's integer?

Nathan Merrill

planes are, from a mathematical standpoint, infinite

I mean, you could set bounds on it, but I think you're going to confuse more people that way

but putting bounds on where the lines will occur makes sense to me

R. Kap

Actually, now that I think about it even more, it makes sense that an infinite plane is used.

Nathan Merrill

two challenges in one day!

I think that's a record for me

Rohan Jhunjhunwala

23:44

@NathanMerrill top notch challenge

betseg

@EᴀsᴛᴇʀʟʏIʀᴋ thanks...i guess?

NinjaBearMonkey

@NathanMerrill "Retina generates hexagons from a string of text using the following steps" s/Retina/Hexagony/ or am I misunderstanding?

Nathan Merrill

er, thanks

New Main Posts

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Q: HexaRegex: A Tribute to Martin Ender

Martin Ender recently hit 100K, and has come up with some pretty awesome languages. We're going to have a bit of fun with one of them, Hexagony (and a bit of regex for Retina) As a brief overview, you need to write a program that inputs a Hexagony grid and determines if there is a path on that ...

code-golf regular-expression hexagonal-grid

5

Nathan Merrill

@MartinEnder happy 100K! ^

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