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Author Topic: Advent of Code  (Read 750 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
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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.

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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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Today at 02:46:36 PM
KyleRunner: Atrius!!
Yesterday at 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...
April 14, 2018, 01:04:37 PM
Fox: @Mario Golf/text editing = Nope... And it may be awhile yet. I think I looked into it before... (at least for GS1)... but usually is the case when I come across a particular problem, that it can delay a solution for an extremely long time.
April 12, 2018, 04:27:14 PM
KyleRunner: Gee... never used discord...
April 12, 2018, 06:03:23 AM
Drake baku: I take it back, found it
April 12, 2018, 06:02:01 AM
Drake baku: But there is no discord link to be found
April 12, 2018, 06:01:44 AM
Drake baku: Everyone is on discord
April 11, 2018, 09:44:06 PM
KyleRunner: Fox, what about that tool for editing text in Mario Golf? Didi you finish it? If not, can you make a version of gstoolkit compatible with it?
April 11, 2018, 07:41:25 AM
Drake baku: Mauw
March 30, 2018, 07:26:11 PM
Salanewt: Hi!
March 29, 2018, 07:37:45 PM
ThanatosTheDark: YYEEEOOOOOO
March 12, 2018, 02:21:06 AM
Fox: say*
March 12, 2018, 02:20:53 AM
Fox: I saw we need an event this April Fools/Easter... because two holidays are in one, why would we not want to miss having something special? (Unfortunately, there's no one here to make an event be successful.)
March 12, 2018, 02:18:17 AM
Fox: And since that's the case...  I have thought of another fun experiment idea. - What if we had an auction on who should run this site, and waited for 10 people to bid and also for a bare minimum of 24 hours. Who would bid the highest, and how much would that bid be? - The idea is more for lulz (Maybe for April Fools?), and a theory to get an idea of how much the site might be worth as well.
March 11, 2018, 03:02:31 AM
Fox: Creepy, isn't it?
March 10, 2018, 02:19:04 AM
Fox: It's frog legs now.. It's something that's dead, but somehow still manages to wiggle.
March 09, 2018, 04:12:17 AM
JamietheFlameUser: I think this place is still dead.
March 02, 2018, 09:43:18 AM
Pkmn-Master: Lol I haven't been here in like 6 years. How is everyone?

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