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Author Topic: Advent of Code  (Read 821 times)
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Fox
Fox McCloud, the Hacking Doctor
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« on: December 03, 2016, 03:36:40 PM »

So thanks to Luna_blade, we know this started recently... anyone else interested.... ? http://adventofcode.com

Spoiler for My answer (in Python code) to the first part of the Day 1 problem (So don't look until you solve. But the main point is to show that it's short.):
myInput = "R4, R3, L3, L2, L1, R1, L1, R2, R3, L5, L5, R4, L4, R2, R4, L3, R3, L3, R3, R4, R2, L1, R2, L3, L2, L1, R3, R5, L1, L4, R2, L4, R3, R1, R2, L5, R2, L189, R5, L5, R52, R3, L1, R4, R5, R1, R4, L1, L3, R2, L2, L3, R4, R3, L2, L5, R4, R5, L2, R2, L1, L3, R3, L4, R4, R5, L1, L1, R3, L5, L2, R76, R2, R2, L1, L3, R189, L3, L4, L1, L3, R5, R4, L1, R1, L1, L1, R2, L4, R2, L5, L5, L5, R2, L4, L5, R4, R4, R5, L5, R3, L1, L3, L1, L1, L3, L4, R5, L3, R5, R3, R3, L5, L5, R3, R4, L3, R3, R1, R3, R2, R2, L1, R1, L3, L3, L3, L1, R2, L1, R4, R4, L1, L1, R3, R3, R4, R1, L5, L2, R2, R3, R2, L3, R4, L5, R1, R4, R5, R4, L4, R1, L3, R1, R3, L2, L3, R1, L2, R3, L3, L1, L3, R4, L4, L5, R3, R5, R4, R1, L2, R3, R5, L5, L4, L1, L1"

c = [ 0,  0,  0,  0]
d = 0 #Direction facing
for b in myInput.split(", "):
    d += {"L": 1, "R": -1}[b[0]]
    c[d&3] += int(b[1:])

print c #c[0], c[1], c[2], c[3]
print c[0] - c[2] + c[1] - c[3] #Remove the sign.

#Extra:
print d #Difference between L and R turns.

Edit: Replaced if block with dictionary check, and swapped regex with the more simplified.
« Last Edit: December 04, 2016, 09:07:35 PM by Fox » Logged

Golden Sun Docs: Broken Seal - The Lost Age - Dark Dawn | Mario Sports Docs: Mario Golf & Mario Tennis | Misc. Docs
Refer to Yoshi's Lighthouse for any M&L hacking needs...

Remember kids! Before you go on that interview, remember to wash your hands in teawater! *Coughs on hand* (Excuse me, I just coughed up a little teawater, so they're still clean!) You wouldn't want that hiring manager to be unimpressed.

May the force be with you!
Shoo! Why does it smell in here?
Maybe that's the wrong kind of force. *smirk*
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Luna_blade
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« Reply #1 on: December 04, 2016, 12:33:10 PM »

Do you write super short Python, or is it naturely this short?
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Fox
Fox McCloud, the Hacking Doctor
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« Reply #2 on: December 04, 2016, 04:49:25 PM »

Um? Both? Well, it depends on the coder... ( For example, someone who divides things up might code like https://github.com/jldork/Advent_04/blob/master/room.py , but that's a spoiler for today's AOC. ... And yeah, I looked on reddit to see what everyone's talking about. :) )

Someone else also tried Day 1, and their code was a bit longer than mine... They had written out if blocks for the caps, where-as I just &3.

My Part 2 for the Day 1 challenge was a bit longer than Part 1 as well... I didn't look into much optimizations.

Spoiler for Hidden:
import re
a = "R4, R3, L3, L2, L1, R1, L1, R2, R3, L5, L5, R4, L4, R2, R4, L3, R3, L3, R3, R4, R2, L1, R2, L3, L2, L1, R3, R5, L1, L4, R2, L4, R3, R1, R2, L5, R2, L189, R5, L5, R52, R3, L1, R4, R5, R1, R4, L1, L3, R2, L2, L3, R4, R3, L2, L5, R4, R5, L2, R2, L1, L3, R3, L4, R4, R5, L1, L1, R3, L5, L2, R76, R2, R2, L1, L3, R189, L3, L4, L1, L3, R5, R4, L1, R1, L1, L1, R2, L4, R2, L5, L5, L5, R2, L4, L5, R4, R4, R5, L5, R3, L1, L3, L1, L1, L3, L4, R5, L3, R5, R3, R3, L5, L5, R3, R4, L3, R3, R1, R3, R2, R2, L1, R1, L3, L3, L3, L1, R2, L1, R4, R4, L1, L1, R3, R3, R4, R1, L5, L2, R2, R3, R2, L3, R4, L5, R1, R4, R5, R4, L4, R1, L3, R1, R3, L2, L3, R1, L2, R3, L3, L1, L3, R4, L4, L5, R3, R5, R4, R1, L2, R3, R5, L5, L4, L1, L1"
wordList = re.sub("[^\w]", " ",  a).split()

#Part 2
d = 0
mxy =
  • * 1000000 #Random-ish number. But array-size.
x = 0
y = 0
for b in wordList:
    if b[0] == 'R':
        d -= 1
    if b[0] == 'L':
        d += 1
    d = d & 3
    i = int(b[1:])
    while i > 0:
        if mxy[y*1000+x] == 1:
            print x, y
            break
        mxy[y*1000+x] = 1
        if d == 0:
            y += 1
        elif d == 1:
            x += 1
        elif d == 2:
            y -= 1
        elif d == 3:
            x -= 1
        i -= 1
I think the forum BBCode stuff is messing up something. :/ Don't mess with my
  • , forum!

I don't know all the Python tricks yet, but it is possible it could be even shorter than that.
Like the L and R checks:
- Not sure if Python has a ? : operator.
- Could probably use a dictionary type.
« Last Edit: December 04, 2016, 05:12:45 PM by Fox » Logged

Golden Sun Docs: Broken Seal - The Lost Age - Dark Dawn | Mario Sports Docs: Mario Golf & Mario Tennis | Misc. Docs
Refer to Yoshi's Lighthouse for any M&L hacking needs...

Remember kids! Before you go on that interview, remember to wash your hands in teawater! *Coughs on hand* (Excuse me, I just coughed up a little teawater, so they're still clean!) You wouldn't want that hiring manager to be unimpressed.

May the force be with you!
Shoo! Why does it smell in here?
Maybe that's the wrong kind of force. *smirk*
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Cbox
May 09, 2018, 12:35:37 AM
KyleRunner: The "Start In" field is not editable... I'll try making new shortcuts
May 08, 2018, 09:51:08 PM
Fox: If all else fails, you canmake new Shortcuts to do the same thing.
May 08, 2018, 09:49:53 PM
Fox: Export Properties > Shortcut (Tab) > Target / Start In ; Target (for Export) should be: (filename) 0 , and for Import: (filename) 1
May 08, 2018, 08:52:00 PM
KyleRunner: I can't change the path in properties menu...
May 08, 2018, 01:27:19 AM
Fox: You may need to edit something in properties, though... so it uses the exe file in the same directory.
May 08, 2018, 01:24:59 AM
Fox: It is suppose to be a shortcut, yes.
May 03, 2018, 11:48:05 PM
KyleRunner: Fox, the "export" function in your text editor is just a shortcut... Could you please fix it?
May 02, 2018, 09:53:45 PM
KyleRunner: I come here everyday. I'm working on a Portuguese translation, and the people here help me a lot.
May 02, 2018, 08:56:07 AM
Drake baku: My feel as well, I posted a little as well since my return, but silence was all that followed... At least the forum is a great source for data when hacking GS/ GS2, currently looking for something I have read a long time ago cause my PP recovery psy is not working
May 01, 2018, 09:58:04 AM
Fox: I am thinking a lot of this might be because of Discord?
May 01, 2018, 09:56:08 AM
Fox: Yeah, this forum is more dead than ever before.  February and April have 0 new topics. (All other months prior have more.) And March has lowest number of new posts. (It'd be dumb to count the very first month this site was created.)
April 25, 2018, 09:02:13 PM
Fox: Yes. The best tool is a hex editor. Well.... VBA, VBA-SDL-H, no$gba Debugger, GBATEK, and my documentation.... to use these to learn how the code/data works. Best method because it maximizes your editing ability... and then there is my program gsmagic that I was working on. Still in its early stages, though. (Even after year(s).)
April 25, 2018, 04:21:58 PM
Xendrox D: *exept tla editor.
April 25, 2018, 04:21:29 PM
Xendrox D: is there any other tool for hacking gs?
April 23, 2018, 09:26:27 PM
Atrius: Rarely, but not never.
April 23, 2018, 08:01:48 AM
Drake baku: Can it be, the god who created the editor, atrius. I heard you never came back online here anymore
April 20, 2018, 02:46:36 PM
KyleRunner: Atrius!!
April 19, 2018, 11:29:46 PM
Atrius: @Fox, I tried, but for some reason Mario Golf won't boot, and Mario Tennis crashes when you patch out the text compression, and I'm not sure why...  The normal text loading functions in them are basically the same as the ones in the Golden Sun games.
April 16, 2018, 07:44:36 AM
Drake baku: So it took about halve a hour of letting my lap stay off for it to suddenly work again
April 16, 2018, 07:31:28 AM
Drake baku: All of a sudden fox his editor gets errors. When trying to start it, thing worked fine yesterday...

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