I was trying to find some challanges to work on to improve my rust skills, and this was basically the most fun thing for me to do.
I chose 2016 specifically since I have already done most of 2021 and 2015 in python.
I might try to finish those one day but that's neither here nor there.
I'm also going to try and finish all this year but I expect it to become really difficult to make an algorithm that finishes in a reasonable amount of time (multiple minutes) around day 20.
I didn't make any CLI or anything similar so if you want to run it replace the day and part number with the one you want to solve.
day01::part1::solve().expect("invalid input");If you want your own input replace input.txt with your input and recompile.
A bit of text describing my expierence with creating a solution for a specefic day.
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day 1: A lot of small bugs today, mostly type mismatches with different types of ints, understandable but annoying.
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day 2: It honestly took me way to long to make the HashMap because of all the braces, went pretty smoothly apart from that though.
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day 3: Pretty fun, went smoothly, too bad my solution for part 2 is a bit verbose, but its pretty fast so its fine.
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day 4: Nothing wrong with the first part but the second part is really annoying to manually check all lines to see if it's the one I need because it doesn't tell me what I'm looking for.
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day 5: Brute force hashing, how fun. Also it took me half an hour to debug this because no one told me
>>has priority over&and I almost went insane. This day also made me install a dependency and takes way to long to run in debug mode. -
day 6: I tried way to long to see if I could get my code to compile using the lenght of one line, but after way too much time I just put in 8 and gave up on that, the rest of the day was doable and part 2 was just changing a max to a min so that was easy.
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day 7: Gotta love regex (and debugging). Also fancy-regex > regex.
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day 8: Pretty doable, and part 2 wasn't really harder than part 1, also why is there no
Default::default()for large arrays? -
day 9: Doable if it wasn't for me using the worst names possible for variables, also gotta love recursion over impure functions.
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day 10: Loved the moment when I realised all the commands had to be executed when possable instead of in order and I had to rewrite all my code.
Thanks for reading!