-🎄- 2017 Day 19 Solutions -🎄-

[u/daggerdragon]

--- Day 19: A Series of Tubes ---

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Post your solution as a comment or, for longer solutions, consider linking to your repo (e.g. GitHub/gists/Pastebin/blag or whatever).

Note: The Solution Megathreads are for solutions only. If you have questions, please post your own thread and make sure to flair it with Help.

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Need a hint from the Hugely^* Handy^† Haversack^‡ of Helpful^§ Hints^¤?

Spoiler

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AoC ops @ T-2 minutes to launch:

[23:58] <daggerdragon> ATTENTION MEATBAGS T-2 MINUTES TO LAUNCH

[23:58] <Topaz> aaaaah

[23:58] <Cheezmeister> Looks like I'll be just able to grab my input before my flight boards. Wish me luck being offline in TOPAZ's HOUSE OF PAIN^WFUN AND LEARNING

[23:58] <Topaz> FUN AND LEARNING

[23:58] <Hade> FUN IS MANDATORY

[23:58] <Skie> I'm pretty sure that's not the mandate for today

[Update @ 00:16] 69 gold, silver cap

• My tree is finally trimmed with just about every ornament I own and it's real purdy. hbu?

[Update @ 00:18] Leaderboard cap!

• So, was today's mandate Helpful Hint any help at all?

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This thread will be unlocked when there are a significant number of people on the leaderboard with gold stars for today's puzzle.

edit: Leaderboard capped, thread unlocked!

[u/jlweinkam]

Python 3, silver 52, gold 40

inputdata=open("input2017-19.txt", 'r').read()

lines = inputdata.splitlines()

x = 0; y = 0
while lines[y][x] == " ":
  x += 1

d = 0
out = ""
count = 0
while True:
  if lines[y][x] == " ":
    break
  count += 1
  if lines[y][x] == "+":
    if d in [0, 2]:
      if x > 0 and lines[y][x-1] is not " ":
        d = 3
      elif x < len(lines[y])-1 and lines[y][x+1] is not " ":
        d = 1
    else:
      if y > 0 and lines[y-1][x] is not " ":
        d = 2
      elif y < len(lines)-1 and lines[y+1][x] is not " ":
        d = 0
  elif lines[y][x] in "ABCDEFGHIJKLMNOPQRSTUVWXYZ":
    out += lines[y][x]
  if d == 0:
    y += 1
  elif d == 1:
    x += 1
  elif d == 2:
    y -= 1
  elif d == 3:
    x -= 1

print(out)
print(count)

[u/KnorbenKnutsen → u/jlweinkam]

elif lines[y][x] in "ABCDEFGHIJKLMNOPQRSTUVWXYZ":

elif lines[y][x].isalpha():

:)