Day 3: Mull It Over
Megathread guidelines
- Keep top level comments as only solutions, if you want to say something other than a solution put it in a new post. (replies to comments can be whatever)
- You can send code in code blocks by using three backticks, the code, and then three backticks or use something such as https://topaz.github.io/paste/ if you prefer sending it through a URL
FAQ
- What is this?: Here is a post with a large amount of details: https://programming.dev/post/6637268
- Where do I participate?: https://adventofcode.com/
- Is there a leaderboard for the community?: We have a programming.dev leaderboard with the info on how to join in this post: https://programming.dev/post/6631465
python
solution
import re import aoc def setup(): return (aoc.get_lines(3), 0) def one(): lines, acc = setup() for line in lines: ins = re.findall(r'mul\(\d+,\d+\)', line) for i in ins: p = [int(x) for x in re.findall(r'\d+', i)] acc += p[0] * p[1] print(acc) def two(): lines, acc = setup() on = 1 for line in lines: ins = re.findall(r"do\(\)|don't\(\)|mul\(\d+,\d+\)", line) for i in ins: if i == "do()": on = 1 elif i == "don't()": on = 0 elif on: p = [int(x) for x in re.findall(r'\d+', i)] acc += p[0] * p[1] print(acc) one() two()