rustc so bad
#AdVENt of Code
real hinge
tranquil vapor
yeah I don't do that
real hinge
I also made that function in yesterdays problem
solemn python
Easier to conceptualize for me
real hinge
stealing it was easy
tranquil vapor
i just have 4 separate functions that walk in the different directions
real hinge
thats too painful
tranquil vapor
on the same array
tranquil vapor
thats too painful
guh no
i just copy pasted the same func and changed the ranges and +1 to -1
was super quick to do
and way easier than actually rotating it
solemn python
I tried that but I hate 2d vecs
solemn python
And it wasn't working
So I just started over and rotated
A lot easier to read too
real hinge
i just copy pasted the same func and changed the ranges and +1 to -1
for down and up yes
tranquil vapor
I tried that but I hate 2d vecs
kinda same but it's fine
tranquil vapor
actualy thats easy too
yeah lol
steady fog
yes
tranquil vapor
JavaScript promise rejection: [object Object]. Open browser console to see more details.
guh i hate seeing 40yos online cause it reminds me that one day I will also be that old @steady fog
real hinge
I decided to not
tranquil vapor
do you relate
steady fog
guh i hate seeing 40yos online cause it reminds me that one day I will also be t...
I know
real hinge
ven is already too old
steady fog
you must accept it ven
steady fog
insane
solemn python
yop
real hinge
ven will be obese in 2053
solemn python
Is it not using sparse index
real hinge
whats that
tranquil vapor
UPGRADEE YOUR CAR GOER
steady fog
mantika storage will be consumed by cargo
tranquil vapor
@steady fog how do u call a spaniard who has no car
steady fog
Volkswagen
tranquil vapor
nop
steady fog
mantikamobile
real hinge
is there time command for windows
real hinge
why does ur oracle have windows <:husk:1026532993923293184>
oracle has linux
I ran on my own pc
tranquil vapor
oracle so slow
THIS IS WINDOWS
steady fog
manti insane
solemn python
mantika will install Linux @real hinge @real hinge
tranquil vapor
YOP
solemn python
join us
real hinge
MYL APTOP
real hinge
mantika will install Linux <@287555395151593473> <@287555395151593473>
dont have any storage for that
I was using linux from my sd card but it kept breaking
dont have much space in nvme
solemn python
dont have any storage for that
I didn't mean dual boot 
steady fog
mantika uses 1980 laptop
real hinge
https://github.com/uutils/coreutils I was gonna use this
but doesnt have time command
wait I can run exe files from wsl
hazy sinew
thats slow
real hinge
fast imo
hazy sinew
71ms in kotlin
real hinge
considering I recreate array on each rotation
hazy sinew
and im not mathing everything im running the last few loops too
hazy sinew
considering I recreate array on each rotation
so do i
real hinge
then how
solemn python
what is time command from
Probably shell builtin
real hinge
there is no way jvm app is faster than native code
solemn python
there is no way jvm app is faster than native code
It is if you write your code in a good way
steady fog
you do
real hinge
I will close my dms
steady fog
mantika loves support
real hinge
@tranquil vapor I heard someone saying they like rust in university
decided to stay away from him
actually rust isnt bad
but rust lovers are usually insane
(tyman not included)
steady fog
what about rusher
real hinge
yes
steady fog
@real hinge you should be president
real hinge
soon
tranquil vapor
<@343383572805058560> I heard someone saying they like rust in university
talk to him and tell him why java is way better than rust
he will understand
steady fog
@real hinge guh I have neuroscience exam in an hour you will do for me
real hinge
talk to him and tell him why java is way better than rust
okay
real hinge
<@287555395151593473> guh I have neuroscience exam in an hour you will do for me
WHY
dont you study computer science
native pewter
guh i hate seeing 40yos online cause it reminds me that one day I will also be t...
just die before you grow old
so shrimple
native pewter
<@287555395151593473> guh I have neuroscience exam in an hour you will do for me
i can do for you :3
(i will draw penis on every question)
tranquil vapor
wait I can optimise my advent of code solution better
i clone array each time before putting it in hash but instead of clone i could just use hash manually
as in i don't need to clone at all
im not home rn but will test later
inb4 0ms runtime
me randomly getting this idea while waiting for my food
solemn python
(tyman not included)
huh
solemn python
depends
hazy sinew
did any of yall use .sortedDescending on each row split by # and then just join the row back on #
tranquil vapor
i clone array each time before putting it in hash but instead of clone i could j...
wtf same speed
ig cloning array is fast
real hinge
I wonder if you can calculate hash somehow faster
maybe instead of reading entire array just use some lines
it should be unique probably
tranquil vapor
ig cloning array is fast
yeah thinking about it it's just cloning 100 arrays of 100 bytes (10kb)
should be really fast
actually maybe llvm detected what im doing and changed it to a single memcpy
steady fog
@tranquil vapor you
should i do imgui or gtk4
for potential DE
https://github.com/rogchap/v8go javascript de javascript de
native pewter
nice my dumbass tilted to the west instead of north
steady fog
how
native pewter
idk i didnt read
also its not bruteforceable is it
||or we doing loop detection?||
sullen fiber
||do||
native pewter
awesome!
tranquil vapor
||or we doing loop detection?||
|| idk of any better way to do it, so yes that's what I did ||
steady fog
hi ven
tranquil vapor
zeet
steady fog
hello!!
native pewter
|| idk of any better way to do it, so yes that's what I did ||
yea i just stole the last part from you bc im too dumb to do the calculations rn
good enough
bronze sage
hewo
tranquil vapor
what language
bronze sage
clash royale
tranquil vapor
based
steady fog
clash royale based
native pewter
ive only been using crystal for the last few 😭
tranquil vapor
hi japanese person
steady fog
crysta
bronze sage
hi japanese person
im not actually japanese💀
tranquil vapor
you play every day
i uninstalled it cause it was making me really angry
hi weeaboo then
native pewter
i uninstalled it cause it was making me really angry
tranquil vapor
i uninstalled it cause it was making me really angry
i don't mind losing
but losing against some terrible fucking player who only won cause all his cards are 2 level higher and then he throws the king laughing emote like he's the real deal gets my blood boiling
steady fog
its so badly explained
tranquil vapor
decent game ruined by greedy company being greedy episode 28938292929
native pewter
i don't mind losing
but losing against some terrible fucking player who only wo...
i always use the king laughing emote
steady fog
i have an emote
native pewter
(i dont play ranked)
tranquil vapor
it's a good emote but u don't get to emote if you only won cause you're p2w
steady fog
ven have you tried elixir youd probably likei t
tranquil vapor
genuinely my deck is level 13/14 and I consistently played against people with max level 15 deck cause im very good at the game so im high
it's like the game punishes you for being good
cause you gotta suffer cbt every game if you're good
<@&1015072428843601962>i.xen do you do advent of code
GUH DISCORD
native pewter
genuinely my deck is level 13/14 and I consistently played against people with m...
all im hearing is excuses bestie
tranquil vapor
<@&1015072428843601962>i.xen do you do advent of code
@bronze sage
bronze sage
<@407717715374243851>
ye
tranquil vapor
send ur repo
tranquil vapor
bronze sage
native pewter
nerdddddd
steady fog
advent of guh
native pewter
I'm focusing on competitive programming. s
damn real nerdd
bronze sage
actually im focusing on nothing
native pewter
so true,
sullen fiber
@native pewter did u do today
tranquil vapor
she did
solemn python
@steady fog@steady fog@steady fog
steady fog
@solemn python its time
solemn python
wait what that seems so easy
yeah it literally gives you the algo
its just funny its called the "HASH" algorithm
real hinge
this looks terrible
solemn python
why
real hinge
i will sleep first tho
night night
steady fog
guh
i need to rename my files
stupid nim doesnt like the file name
its so dum
mantika moment
solemn python
Holiday ASCII String Helper Manual Arrangement Procedure, or HASHMAP for short
guhh
teal mountain
me reading part 2:
i think it legitimately took me about 8 minutes to start writing code, idk if it's the fact that i woke up late but this was impossible to understand
solemn python
im still reading it
steady fog
ive been
trying to use regex
to change all my filenames
this is hell
i havent even started the aoc
real hinge
I dont get how we know which box to put
steady fog
never
steady fog
@real hinge will do
real hinge
never
tranquil vapor
how insane is part 2@real hinge
real hinge
little bit
steady fog
The arrays in Nim are like classic C arrays, their size is specified at compile-time
NO
real hinge
it doesnt seem terrible but I dont one thing
steady fog
NO.
steady fog
you will go bald
hazy sinew
how insane is part 2<@287555395151593473>
its a reading comprehension
solar tide
GUHH NIM IS INDENT BASED
it's called whitespace
delicate crane
p2 passes test but breaks on input
steady fog
mantika moment
delicate crane
please give hint to edge case
proper totem
The arrays in Nim are like classic C arrays, their size is specified at compile-...
you love seq
steady fog
whats that
proper totem
https://nim-by-example.github.io/seqs/ dynamic length array
steady fog
oh
teal mountain
WHICH BOX DO I PUT THE LENS
it's the ||hash of the label||
real hinge
it's the ||hash of the label||
but thats too big
delicate crane
misinfo
real hinge
oh wait
teal mountain
took me legitimately 10 mins to understand why they were ||putting stuff in box 0 when the hash of the first one was 30||
real hinge
I tried the number
steady fog
@real hinge im so powerful
steady fog
no
tranquil vapor
fastest solution wins
if you use a scripting language we will deduct some time
real hinge
we will rank by runtime
any interrepted language loses then
proper totem
will you have a consistent run platform or just what people report
tranquil vapor
no i mean just for us
hazy sinew
has anyone found an edgecase between example and input for p2
send ur switch case
delicate crane
const [, label, operation, num] = /(\w+)(=|-)(\d*)/.exec(str)!
const box = hash(label)
if (operation === '=')
boxes[box][label] = Number(num)
else
delete boxes[box][label]
send full code ig
delicate crane
||```ts
function hash(str: string): number {
let out = 0
for (const char of str) {
const charCode = char.charCodeAt(0)
out += charCode
out *= 17
out %= 256
}
return out
}
export function partOne(input: string): number {
return _.sum(input.split(',').map(hash))
}
const boxes: Record<string, number>[] = Array.from({ length: 256 }, () => ({}))
function a(str: string) {
const [, label, operation, num] = /(\w+)(=|-)(\d*)/.exec(str)!
const box = hash(label)
if (operation === '=')
boxes[box][label] = Number(num)
else
delete boxes[box][label]
}
function focusingPower(box: Record<string, number>, boxIndex): number {
return Object.values(box).map((v, i) => (boxIndex + 1) * v * (i + 1))
}
export function partTwo(input: string): number {
// ! not 212832
input.split(',').map(a)
// console.log(boxes, .isEmpty)
// console.log(.reject(boxes, _.isEmpty).map(box => Object.values(box)))
return .sum(boxes.map(focusingPower).map(.sum))
}
212832
I figured it out
I got myself timed out by calling myself the R word
hazy sinew
I got myself timed out by calling myself the R word
and how does that affect your puzzle output
delicate crane
I put my ||boxes in a global variable
const boxes: Record<string, number>[] = Array.from({ length: 256 }, () => ({}))
||
and I didn't reset the value between the test and the real
solemn python
today is a nice break from whatever the hell the past few days were
its not super hard, just a fun little task to do
I like it
delicate crane
and how does that affect your puzzle output
No no, I just called myself dumb for not thinking of what I did as a source of a problem
hazy sinew
I put my ||boxes in a global variable
```ts
const boxes: Record<string, number>[...
ur running test and real in the same instance???
solemn python
The arrays in Nim are like classic C arrays, their size is specified at compile-...
you love rust arrays
solemn python
fastest solution wins
Average timing: 478.799µs ± 379.391µs
though of course we can't really compare running on diff computers
tranquil vapor
shrimply run on vps
solemn python
wonder how fast this runs on my rpi
tranquil vapor
people submit their code and it runs it
solemn python
love
solar tide
||```ts
function hash(str: string): number {
let out = 0
for (const char of ...
your hash function is also same as mine
tranquil vapor
people submit their code and it runs it
im scared that mantika will ddos my vps again
tranquil vapor
some time ago mantika ran smth insane on my vps and it used three billion percent cpu and exploded everything
solemn python
run it all in docker so someone doesn't do a funny
tranquil vapor
i forgot what
solemn python
some time ago mantika ran smth insane on my vps and it used three billion percen...
crypto miner
mantika is rich now
solar tide
I'm ratelimited by 5mins now so fuck lol
delicate crane
your hash function is also same as mine
its almost as if the hash function is just 3 math operations and there is only like one way to do it
solemn python
I was multiplying focal length by lens index and forgor the box index
and I could easily tell it was wrong b/c it failed the example
solar tide
no I was thinking earlier if there's another way
delicate crane
I got tripped up by assuming the labels would always be 2 characters
hazy sinew
I got tripped up by assuming the labels would always be 2 characters
they arent??
i just took the substing before = -
solar tide
skull issue
my tests pass but my answer is somehow wrong
PASS Test Example #0 > Result: 1320
solemn python
maybe its actually a crypto miner
AoC is an elaborate crypto miner
delicate crane
they arent??
zz=6,nh-,zdlgcf-,pvgpn=8,gbfl-
solemn python
he is making bank off of all these solutions
delicate crane
I switched to regex when I realized they varied
delicate crane
ever heard of .split
I needed to see if the operation was = or -
no good character to split on
solemn python
I check it, then split
no regex involved
if the last char of the string is a '-', then its a minus operation
otherwise, split by =
delicate crane
yall avoid regex like the plauge when its stupid simple and fast to write
solemn python
yall avoid regex like the plauge when its stupid simple and fast to write
but is it fast to execute
(no)
warped dust
makes aoc not fun
solemn python
I used a bit of regex before but that was a more complex string
delicate crane
makes aoc not fun
how
solemn python
actually
I can easily improve my code now that I think about it
and only iterate over the str once
delicate crane
I have most of regex that I use by heart so its 0 mental effort
warped dust
regex too easy to write
delicate crane
regex too easy to write
the fun comes from solving the puzzle not parsing strings so you can solve the puzzle no?
real hinge
now I can go lazy for another 23 hours
delicate crane
then use regex so you can do it faster?
warped dust
i havent solved day 4 pt2
real hinge
yes it is
regex is slower than split eitherway
if you need to do thausands of checks it becomes problem
(not a case in this problem)
delicate crane
I haven't done d12p2
real hinge
but bleh I am trying to avoid regex as much as I can
delicate crane
but bleh I am trying to avoid regex as much as I can
why tho
solemn python
> `Average timing: 478.799µs ± 379.391µs`
brought it down 100 microseconds
real hinge
I only use regex if its really hard to parse
delicate crane
brought it down 100 microseconds
what language
solemn python
rust
real hinge
brought it down 100 microseconds
how do you bench btw
real hinge
solemn python
how do you bench btw
I made my own benchmarking thing inside my project b/c my program spends time fetching inputs and parsing cli stuff so hyperfine wouldn't be accurate
real hinge
oh
steady fog
warped dust
max minus avg is not standard deviation
solemn python
if the solution is fast enough, the +- is higher than the avg
real hinge
cargo has bench command from what I seen
if you fetched inputs in a script it would probably be easier
real hinge
cargo has bench command from what I seen
but I still couldnt figure out how to use
warped dust
cargo bench not stable
real hinge
it throws errors saying its unsafe 
solemn python
max minus avg is not standard deviation
I know its not standard deviation
I know how stats works
thats just what I named the variable
its max(max_time-avg, avg-min_time)
I should make it std deviation though, good point
but as I said, "its also a really bad benchmarker"
i didn't remake the entirety of hyperfine
solemn python
if you fetched inputs in a script it would probably be easier
but I like my cool auto-fetcher :(
also it lets me overcomplicate things which just adds to the fun of AoC for me
delicate crane
@solemn python how fast is your day 10 p2
real hinge
but I like my cool auto-fetcher :(
I mena its useful but you only need to fetch once
not everytime you run
delicate crane
<@487443883127472129> how fast is your day 10 p2
I had to add multithreading to mine to make it bearable
solemn python
what method did you use
solemn python
<@487443883127472129> how fast is your day 10 p2
Average timing: 83.987228ms ± 79.745833ms
delicate crane
28 seconds
tranquil vapor
whoops, channel flood
you will react with ❌
solemn python
you can do that????
delicate crane
28 seconds
primarily counting enclosed pipes
hazy sinew
its max(max_time-avg, avg-min_time)
isnt it the average of the difference of all values and the average of all values
tranquil vapor
you can do that????
yes try it
solemn python
isnt it the average of the difference of all values and the average of all value...
wha
delicate crane
what method did you use
solemn python
thats the number it gives after the +-
hazy sinew
the std deviation of [1, 1, 1, 1, 1, 1, 1, 1, 1, 100] isnt 89 is it
tranquil vapor
horror did u brute force day 10
solemn python
the std deviation of [1, 1, 1, 1, 1, 1, 1, 1, 1, 100] isnt 89 is it
I don't calculate std deviation rn
so probably idk, ill make it use the std deviation formula later
delicate crane
horror did u brute force day 10
you can do something other than checking if every tile is an odd number of pipes(from the ones that are in the loop) away from wall?
solemn python
I saw the odd pipes away trick but I didn't want to use it because I never would have thought of it
my solution is flood fill
solar tide
solemn python
- Store all of the pipes in the loop
- Set every other tile to
. - Expand the grid by 2, keeping all pipes in the loop connected
- Flood fill starting from (0,0), keeping track of which empty tiles were there before and which were added after expansion
- Subtract the amount of original empty tiles in the beginning with the amount flood filled
- Thats your answer
tranquil vapor
you can do something other than checking if every tile is an odd number of pipes...
- i just didn't do pt 2
- i doubt you need to thread that, it should be fast🤔
solemn python
^ my method
tranquil vapor
or is this another scripting language sucking at performance moment
solemn python
1. Store all of the pipes in the loop
2. Set every other tile to `.`
3. Expand t...
wait I just realized a way to optimise my code a tiny bit
doubt it would make much of a difference (in the nanoseconds probably) but some of my logic is pointless
delicate crane
1. Store all of the pipes in the loop
2. Set every other tile to `.`
3. Expand t...
expand by 2 like outward in every dimension?
tranquil vapor
or is this another scripting language sucking at performance moment
like how my ruby solution today took 15 seconds and i thought my code was bad but then i rewrote it in crystal and it finished in 0.2ms
tranquil vapor
wait I just realized a way to optimise my code a tiny bit
doubt it would make mu...
DO NOW
delicate crane
like how my ruby solution today took 15 seconds and i thought my code was bad b...
I don't write any compiled languages
tranquil vapor
learn one it's worth it :3
delicate crane
wait crystal is compiled?
tranquil vapor
almost identical
delicate crane
ok so I should just do AOC 2024 in crystal
tranquil vapor
u can rename .rb to .cr and change a few lines and it runs
steady fog
ok so I should just do AOC 2024 in crystal
yes
tranquil vapor
crystal has comparable performance to rust
delicate crane
I dont even write much js in my day job anymore
mainly ruby
solemn python
DO NOW
basically I actually used some logic to connect the pipes correctly when the flood fill doesn't even care what type the pipe is, as long as it isn't a . it will see it as a wall
tranquil vapor
u can rename .rb to .cr and change a few lines and it runs
like check the diff in the readme, that's all i had to change to port my solution from ruby to crystal (actually the diff is the reverse)
https://codeberg.org/Ven/AdventOfCode/src/branch/main/2023/day14
solemn python
it is nice to visualize if I want to do that in the future tho I guess
wait nvm im dumb
I can't do that
ignore me
delicate crane
like check the diff in the readme, that's all i had to change to port my solutio...
removed type annotations?
compiled language without required typing aintnoway
solemn python
like check the diff in the readme, that's all i had to change to port my solutio...
whats chomping do
delicate crane
chomp
tranquil vapor
chomp
solemn python
huh
delicate crane
ruby NOT insane
tranquil vapor
/run ```rb
print File.readlines "file0.code"
puts
print File.readlines "file0.code", :chomp => true
split heartBOT
Here is your rb(3.0.1) output @tranquil vapor
["print File.readlines \"file0.code\"\n", "puts\n", "print File.readlines \"file0.code\", :chomp => true\n"]
["print File.readlines \"file0.code\"", "puts", "print File.readlines \"file0.code\", :chomp => true"]```just doesn't include the newlines
crystal has chomp enabled by default (good imo)
who tf wants newlines at the end of each line when they use .readlines
real hinge
learn go or crystal or even C#
or java
tranquil vapor
ruby good
delicate crane
is there like
Crystal on Rails?
warped dust
ror fans when i rail thei
steady fog
@warped dust @warped dust @warped dust @warped dust
solemn python
/run ```rb
print File.readlines "file0.code"
puts
print File.readlines "file0.co...
it also chomped the parentheses apparently
tranquil vapor
is there like
Crystal on Rails?
make
solemn python
parentheses-less programming looks so funny to me
tranquil vapor
it also chomped the parentheses apparently
parentheses are optional in ruby
tranquil vapor
parentheses-less programming looks so funny to me
it's even funnier when u chain function calls
/run ```rb
puts "i am crazy".upcase.split.reverse.join
Here is your rb(3.0.1) output @tranquil vapor
CRAZYAMI
and also part of the reason I hate converting build.gradle to build.gradle.kts
solemn python
/run ```rb
puts "i am crazy".upcase.split.reverse.join
```
upcase
tranquil vapor
yus
steady fog
ven loves groovy
tranquil vapor
crystal ecosystem is kinda small
sadly
the language isn't very popular for some reason foreign to me
so many people love ruby and crystal takes ruby and makes it super fast
so crystal was destined to blow up, yet didn't?
delicate crane
I doubt amber has a hotwire/turbo equivalent, so I don't think it would be viable for me to switch for any of my rails projects
tranquil vapor
yeah likely not
it's also not as battle tested
crystal is awesome but idk if using it in production is the best idea
id personally just use it for hobby projects and it seems amazing for clis (even prod clis)
delicate crane
Big companys rely on and contribute to the RoR ecosystem, so it will always be good
that being said, even shopify cant make a functional linter for it that doesn't crash every 10 minutes in a production scale project
and there is no way to lint .html.erb for indentation and ruby style at the same time
many complaints
solemn python
Average timing: 374.616µs ± 164.242µs
there
standard deviation now
is everyone happy
delicate crane
many complaints
better than writing backend in JS, which is the only other option my job will listen to
solemn python
> Average timing: 374.616µs ± 164.242µs
there
standard deviation now
is everyone...
(d15p2)
tranquil vapor
that being said, even shopify cant make a functional linter for it that doesn't ...
YEAHH I NOTICED THAT
the ruby lsp is pretty shit
even though ruby is popular
delicate crane
its way better than it was before shopify came along
tranquil vapor
crystal lsp is even worse than ruby but that's understandable cause it's literally just made by people in their freetime
but ruby?? huhh??
anyyywayy yeah definitely give crystal a shot!! it's basically just ruby (with small changes like removal of for statement, required explicit typing for arrays, map, set, etc declarations, some minor naming differences, and ofc a different ecosystem) but blazingly fast
rustic orchid
betterruby
tranquil vapor
crystal is duck typed so you hardly ever actually need to specify types which is kinda insane
solemn python
betterruby
rubettery
tranquil vapor
you only need to type containers / data structures which is understandable cause of memory management reasons
steady fog
what's duck typed
tranquil vapor
what's duck typed
if it quacks it's a duck
steady fog
okay
delicate crane
anyyywayy yeah definitely give crystal a shot!! it's basically just ruby (with s...
does crystal have a good gems for
- making easy CLIs like https://www.npmjs.com/package/prompts
- hot reloading (or is that not really a thing in compiled langs)
solemn python
what's duck typed
Wikipedia
tranquil vapor
does crystal have a good gems for
1. making easy CLIs like https://www.npmjs.com...
hot reloading is generally not a thing in compiled languages
but it depends what u mean by hot reloading
delicate crane
type, look at terminal, see output and test result
tranquil vapor
oh u can easily have that
require "option_parser"
OptionParser.parse do |parser|
parser.banner = "Welcome to The Beatles App!"
parser.on "-v", "--version", "Show version" do
puts "version 1.0"
exit
end
parser.on "-h", "--help", "Show help" do
puts parser
exit
end
end
this looks pretty cool
solemn python
I mean cargo watch exists
tranquil vapor
part of stdlib
solemn python
Which isn't hot reloading but any watcher thing will work
rustic orchid
The Beatles App
solemn python
I would use
steady fog
@tranquil vapor should DE have precompiled core, or require core + whatever the user adds
solemn python
I wanted to do some AP stuff but then realized how complex it all is
Maybe at some point
AoC is taking up my motivation for the month
delicate crane
```cr
require "option_parser"
OptionParser.parse do |parser|
parser.banner = ...
I mean like this type of cli
why does sharex record audio of twitch, rude
tranquil vapor
most likely
steady fog
answer
proper totem
puts and gets
delicate crane
totk
steady fog
yop
tranquil vapor
delicate crane
It takes me like 3 days to make my repo so I will wait to do crystal either
- this February and I will do like 2015
- next year
delicate crane
https://github.com/robacarp/keimeno
I will use js for UI and have it launch crystal
steady fog
I wanna make kotlin lib for https://upower.freedesktop.org/
solemn python
I made the most boring repo ever for the first few days and have slowly been improving it between days
At some point before the end I'll probably have hot-reloading or at the very least a nice file watching setup
I found a hot-reloading crate a bit ago
steady fog
https://bruijn.marvinborner.de/ @sullen fiber
solemn python
Hint: Click on anything you don't understand.
I clicked on De Bruijn indexed lambda calculus and it did nothing
delicate crane
does crystal have a good gems for
1. making easy CLIs like https://www.npmjs.com...
rain bloom
crystal is like half dead
really unfortunate
proper totem
vencord will revive crystal
solar tide
crystal is awesome but idk if using it in production is the best idea
it is used in production by a lot of companies
anyway rewrote my git history to scrub off input.txts
solar tide
Seems like [amber](<https://amberframework.org/>) is the closest thing to Rails
martenframework is also rails like, if you want something hanami like (haven't heard this name in long) there's lucky
native pewter
Too drunk for this wtf..
woaa
real hinge
@tranquil vapor aoc
today is easy
I bet tomorrow will be terrible
16th day is always bad
native pewter
ur bad
native pewter
hazy sinew
16th day is always bad
i mean last year 15 was bad too
so who knoes
and honestly id love a dfs
native pewter
nerd!
real hinge
I wonder what happened on 2015 day 19
4 hours
that sounds insane
2018 day 15 too
and this years problems were comparably way easier
which is scary
tranquil vapor
i think it might just be that advent of code was not very popular back then?
solemn python
@real hinge ghost ping 
real hinge
i think it might just be that advent of code was not very popular back then?
what about 2018 15
2.5 hours 
real hinge
<@287555395151593473> ghost ping <a:smh:855495135781191681>
nop
native pewter
caught in 420p
real hinge
which one is ghost
real hinge
I wonder what happened on 2015 day 19
one of it is this
real hinge
discorc moment
solemn python
i think it might just be that advent of code was not very popular back then?
The rest of the times are pretty short though
Looks like 8881 people did p2 that day
2146 did p1 only
^ which is most definitely an outlier
real hinge
ahahah
I wasnt really expect this to be a thing
guh wth is this
is discord going to make regional pricing worse like steam
@vapid ice
vapid ice
mantika
real hinge
dzirwa
vapid ice
is discord going to make regional pricing worse like steam
what
real hinge
latam spanish
oh lmao
steam recently switched to LATAM USD which was their own currency
vapid ice
horror
real hinge
so I thought we were going down on discord too
hazy sinew
||make a list of lists||
sullen fiber
||yea it's just that I'll have to do the replace logic||
Maybe it's easy let me see
real hinge
I was gonna do list of lists
but unless its static array it would break all the indexes
so i did hashmap
also I think hashmap isnt slower if you use integers
since it probably doesnt hash it
sullen fiber
Actually
||I could just index all the labels first and then treat box slots as a matrix||
real hinge
or you could NOT iuia
sullen fiber
nah
wait fuck iforgot i have to keep track of slots
day ruined
wait
||simply will keep another matrix of update times||
nvm list of lists easier
hazy sinew
||simply will keep another matrix of update times||
a WHAT
sullen fiber
yea actually i lied list of lists isnt easier
sullen fiber
a WHAT
||top is last-updated and bottom is lens values||
for the example
||its not that hard to turn the top matrix into slot numbers: ⊙≡(⍜▽(+1⍏) ≠0.) ⊃(∘|×≠0)||
hazy sinew
||its not that hard to turn the top matrix into slot numbers: `⊙≡(⍜▽(+1⍏) ≠0.) ⊃...
i found an easier way
sullen fiber
to do wat
hazy sinew
Ө=Жلل إِلَٰهَ إِلَّا ٱللَّٰهُ
hazy sinew
cyrillic what
hazy sinew
that wont work
sullen fiber
i mean it probably could
sullen fiber
||its not that hard to turn the top matrix into slot numbers: `⊙≡(⍜▽(+1⍏) ≠0.) ⊃...
guhh been debugging this cus it works on example but not input crying crying crying
solemn python
since it probably doesnt hash it
I noticed you can HashMap::with_hasher() from autocomplete earlier, I wonder if you set the hasher equal to the HASH algorithm if that would work
Probably wouldn't be faster in any way, bit it would be a cool way to do it
hazy sinew
Oh its infix uiua but english
lmao best analogy
native pewter
guhh been debugging this cus it works on example but not input crying crying cry...
maybe today isnt uiuable
tranquil vapor
OKAY ADVENTUS OF CODUS TIME @real hinge
real hinge
OKAY ADVENTUS OF CODUS TIME <@287555395151593473>
doooo
native pewter
wwyd jf i uiuad u
native pewter
I'm just not goated
not goated with the uiua sauce :c
tranquil vapor
I WILL FUCKING COME TO YOUR HOUSE
native pewter
today uiuable
tranquil vapor
AND MAKE YOU SHUT UP ABOUT UIUA FOREEEEVER
sullen fiber
It's too late
native pewter
I WILL FUCKING COME TO YOUR HOUSE
come to my house :3
sullen fiber
I even got people in Uiua discord saying Uiuable
native pewter
we can make out to crystal code
sullen fiber
U can't stop it now
Oh this lang is super indev
But not active
Rip
Could have been so good
native pewter
tranquil vapor
i just uiud your mom @sullen fiber
tranquil vapor
SOOOOON
real hinge
ven cant figure out how to make the hash function
tranquil vapor
guh i havent looked yet
real hinge
I noticed you can HashMap::with_hasher() from autocomplete earlier, I wonder if ...
if it doesnt produce duplicates it would work probabyl
tranquil vapor
HashMap::with_mantika()
real hinge
actually it should work if there is dupes
I still havent figured out how to debug rust
I just use prints 
I think I needed c++ debugger extension or smthn but it didnt work
tranquil vapor
STOP USIN RUST
solar tide
AND MAKE YOU SHUT UP ABOUT UIUA FOREEEEVER
wee-wuh
real hinge
STOP USIN RUST
I will after aoc
tbh I am not gonna lie
rust really has lots of cool stuff while being fast
tranquil vapor
crystal way cooler
real hinge
but getting used to stupid borrow stuff was horror
real hinge
crystal way cooler <:blobcatcozy:1026533070955872337>
maybe
solar tide
gleam is also fun
real hinge
rust literally has any function you would need
solar tide
did a gleam run today
tranquil vapor
rust fans when i borrow their girlfriend as mutable
real hinge
and unwrap
tranquil vapor
TRUE
warped dust
cant mutuably borrow more than once at a time
steady fog
I tried gleam but i can't do it on a single file
solar tide
rust fans when their girlfriends are not Ok
warped dust
dumbas
solar tide
skill issue
steady fog
gn
real hinge
night night
tranquil vapor
need to wake up in 7 hours for aoc
STOP
YOU ARE ADDICTED
guhh advent of code tryhards will die
real hinge
YOU ARE ADDICTED
Nop
I just want to see how much I can go until I fed up
I always wake up in 7:20-8 AM
Aoc just fits exactly into the time I wake up
tranquil vapor
imagine waking up and immediately thinking CODEEE CODEEE
when i wake up i am sooo lazy
hazy sinew
IF YOU SAY "TODAY UIUIABLE" ONE MORE FUCKING TIME
today honestly not uiuable scroll up
real hinge
imagine waking up and immediately thinking CODEEE CODEEE
I usually eat coco pops first
hazy sinew
rust fans when i borrow their girlfriend as mutable
cannot borrow null
tranquil vapor
@real hinge wake up and assist me with advent of code
i need ur help
so hard today
tranquil vapor
OH MY GOD
PART 2 IS READING COMPREHENSION
i feel like im in math class again
oh god theyre just describing a hashmap
tranquil vapor
I WASTED LIKE 10 MINUTES CAUSE OF A STUPID MISTAKE
# what i had
boxes = StaticArray(Box, 256).new([]) # INSANE IT USES THE SAME ARRAY FOR EACH BOX
# the fix
boxes = StaticArray(Box, 256).new { [] }
yep.
read the docs first next time
tranquil vapor
today was so easy i solved it in 33 lines of code
anyway part 2 is literally exactly how hashmaps work
they just use an array and calculate index in the array with a hash function
then to set / access keys it calculates the index, then checks each item at that index to see if it's the correct key
so literally the same concept as today's part 2
@sullen fiber PAAART TWOOO
SOOO UIUABLE
steady fog
is the boxes/crates just an array
tranquil vapor
do u want me to sum up the text
steady fog
yes
tranquil vapor
do u want me to sum up the text
not really a spoiler, just part 2 exercise summarised:
||
you have an array of 256 boxes. each box is also an array
the steps are in the form LABEL- or LABEL=LOAD_FACTOR
you calculate the box index (boxes[i]) by running the hash func on the label, so box = boxes[hash(label)]
if the step has =load_factor you need to store the label and the load_factor in the corresponding box. if the same label already is in that box, replace the old one in place (same index)
if the step ends with - you just remove the corresponding box with that label
||
this part confused me so much but its irrelevant info just ignore it
steady fog
boxe
sullen fiber
<@454072114492866560> PAAART TWOOO
Ya it's easy
I just have a bug and I was only at the library for a little bit
tranquil vapor
@steady fog did u solve
steady fog
havent started
solemn python
rust fans when i borrow their girlfriend as mutable
You can't do null pointers in rust
sullen fiber
imagine waking up and immediately thinking CODEEE CODEEE
I do this but without aoc
native pewter
uiuable
solemn python
if it doesnt produce duplicates it would work probabyl
guhh hashmap uses both Hash and Eq for some reason so I can't base it completely off of Hash or something
(it isnt working)
(and im not making a Label struct just to implement Eq to make this work)
tranquil vapor
why would u even make a hash
this is really trivial with || Array<Array<Tuple<String, Int32>>>[256] ||
solemn python
why would u even make a hash
I was trying to be funny and make hashmap use a custom hasher (the hasher being the HASH algo)
warped dust
this is really trivial with || Array<Array<Tuple<String, Int32>>>[256] ||
wtf is that syntax
mmm id like an Array<T>[256]
solemn python
lol not using a hashmap and instead using a const-sized array shaved off 100µs
crazy
tranquil vapor
mmm id like an Array<T>[256]
uhhh
i just added the [] to indicate the fixed length (which makes it easier)
solemn python
@tranquil vapor loves
rust so funny sometimes
if you do [Vec::new(); 256] it yells at you b/c of cloning or something
solemn python
if I use nightly features I can do this
warped dust
normal
solemn python
I can also move the generics to make it even more funny
there are so many cool unstable features they should just stabilize
can't be that hard right 
steady fog
tyminky
solemn python
if let guards are still unstable
what
you mean if let Some(thing) = thing { /* do stuff */ }?
warped dust
but in match guards
solemn python
today I learned match guards exist
solemn python
idk, never seen it I guess
probably will use that a bunch tho
but anyways I was talking about try blocks and if let chaining mostly, those are the two that keep popping up for me
steady fog
fuck it. im doing fortran
real hinge
oh it doesnt seem bad
tranquil vapor
it seems easy
steady fog
@tranquil vapor make pip not suck when
tranquil vapor
it seems easy
yeah part 1 seems really easy
probably part 2 will be some insane anti brute force again
real hinge
part2 is probably husk
tranquil vapor
part 2 will be send 3 billion lights at once
and only energise fields where lights cross at 12:37 o clock
i should fix my schedule again and wake up at 6am like you
steady fog
venny
fortran compiles so fast
wtf
@tranquil vapor
this isnt too bad
its so much easier than cobol
solemn python
hm do I do loops (good) or recursion (evil)
steady fog
loop
solemn python
ok
this is also a text block but its a very comprehendable one
also this is kinda just pipes v2
lol
ok now do I use structs (good) or tuples (evil)
steady fog
struct
solemn python
👍
real hinge
hmm my code is running forever
teal mountain
today was fun
teal mountain
hm do I do loops (good) or recursion (evil)
i did recursion
teal mountain
hmm my code is running forever
see this is why
if you have bad recursion you will get stack overflow
if you have bad loop it will just run forever and you'll wonder if you need to optimize or if you're missing an exit condition
(/hj)
tranquil vapor
ok now do I use structs (good) or tuples (evil)
me using tuples for everything
my ass is not making a struct
steady fog
tranquil vapor
WHAT IS THAT
steady fog
WHAT IS THAT
me
tranquil vapor
<:2837463666634:1177693977831550976>
zt finally learned how to take a selfie
steady fog
yop
real hinge
I created a glorious system
solemn python
@warped dust are u proud of my match guards
teal mountain
i am so glad i did direction with ||vectors||
teal mountain
||```ts
if (point.v === '/') {
[dirX, dirY] = [dirY * -1, dirX * -1];
}
if (point.v === '\') {
[dirX, dirY] = [dirY, dirX];
}
the ONLY thing ||high school linear algebra|| has been good foradvent of parsing
solemn python
I ran my solution and KDE froze
solar tide
hm what language do I do today, crystal or rust
solemn python
Help
solar tide
LOL
sullen fiber
this is really trivial with || Array<Array<Tuple<String, Int32>>>[256] ||
Hop on ||[string, int32][][256]||
Also this is kinda what I used
solar tide
ok crystalist time
steady fog
oops
Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
mantika moment
solar tide
stay safe vaporizer
steady fog
minky is so loud
real hinge
I shouldnt be allowed to code in rust
I wrote worlds shittiest code
(it doesnt even work)
solemn python
this is a normal amount of items to have in a vec right
real hinge
totally
solar tide
why wouldn't it
steady fog
oh there it goes
but its kinda broken
it doesnt like the /
yay ifixed
program aoc
Use, intrinsic :: iso_fortran_env, Only : iostat_end
implicit none
integer :: io, iostat
character(256) :: line
open(newunit=io, file="./input/day-16.txt", status="old", action="read")
do while(.true.)
read(io, "(A)", iostat=iostat) line
select case(iostat)
case(0)
print "(A)", trim(line)
case(iostat_end)
exit
case default
write(*, *) 'Error in reading file'
stop
end select
end do
close(io)
end program aoc
``` @real hinge boolove
5 extra places it shouldn't be
what
I printed the output grid and its the same as the example output grid
real hinge
okay lets think simple
its a simple task
it should've worked
then why does it not work
real hinge
on part2?
solemn python
it took my shitty rust code 5 seconds
Average timing: 4.597045708s ± 197.73533ms
my thoughts on today
the 3 brands of AoC part 2s:
- An actual unique and interesting spin on the first part (extremely rare)
- "Do the last thing but more so you have to be smart about it"
- "Do the last thing but more so you have to be smart about it" but you don't have to be smart about it with any fastish language
rate new benchmark output
real hinge
me when map is correct but its giving wrong result 🥹
I dedup the visited locations
insane
GUH FOR DEDUP TO WORK ARRAY HAS TO BE SORTED
INSANE
steady fog
GUH FOR DEDUP TO WORK ARRAY HAS TO BE SORTED
love