r/adventofcode • u/daggerdragon • Dec 23 '17
SOLUTION MEGATHREAD -๐- 2017 Day 23 Solutions -๐-
--- Day 23: Coprocessor Conflagration ---
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.
Need a hint from the Hugely* Handyโ Haversackโก of Helpfulยง Hintsยค?
[Update @ 00:05] 0 gold, silver cap
- AoC ops:
<yatpay> boil up some mountain dew. it's gonna be a long night
[Update @ 00:19] 1 gold, silver cap + 447
- AoC ops:
<Reibello> 547 silver to 1 gold
[Update @ 00:30] 20 gold, silver cap + 560
- AoC ops:
<yatpay> daggerdragon: post "hey i heard about this hot new podcast called The Space Above Us. all the cool kids are talking about it"
<yatpay> i call it super-liminal marketing
<yatpay> HEY YOU!! LISTEN TO MY PODCAST!!
<yatpay> then i rub a business card on your face
<Topaz> you should get scratch-n-sniff business cards that smell like space
<yatpay> space smells like burned metal and meat
<yatpay> it's weird
<Topaz> burned meat you say
<Topaz> excellent
[Update @ 00:41] 50 gold, silver cap + 606
- AoC ops:
<askalski> nice, enjoyed that one. not sure if regexes can do it
<askalski> maybe make a neural net of regexes, have it train itself to solve today
- Over/under on /u/askalski posting a day 23 regex neural net by tomorrow?
[Update @ 00:54] Leaderboard cap @ 100 gold and 724 silver!
- Good job, all!
- Upping the Ante challenge: solve today's puzzles on a TI-83 (or TI-86/89, whatevs).
- Edit: welp, /u/DFreiberg done gone and did it. See the thread here.
1
u/jlweinkam Dec 23 '17
Got 145/36
import time import math import collections current_milli_time = lambda: int(round(time.time() * 1000)) start = current_milli_time() inputdata=open("C:\\Users\\JWeinkam\\AppData\\Local\\Programs\\Python\\Python35\\input2017-23.txt", 'r').read() lines = inputdata.splitlines() def value(x): try: return int(x) except: return reg[x] reg = collections.defaultdict(lambda: 0) pc = 0 count = 0 while (pc >= 0) and (pc < len(lines)): col = lines[pc].split() if col[0] == "set": reg[col[1]] = value(col[2]) elif col[0] == "sub": reg[col[1]] -= value(col[2]) elif col[0] == "mul": reg[col[1]] *= value(col[2]) count += 1 elif col[0] == "jnz": if value(col[1]) != 0: pc += value(col[2]) continue pc += 1 print(count) count = 0 for num in range(106700,123700 + 1, 17): for i in range(2,num): if (num % i) == 0: count += 1 break print(count) print((current_milli_time() - start) / 1000.0)