Day 3: Mull It Over

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FAQ

  • TunaCowboy@lemmy.world
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    edit-2
    1 day ago

    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()