Mina's Stuff

Minas Advent of Code

  • Day 5: Cafeteria

    Day 5: Cafeteria

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    This was a fun puzzle, easy and yet rather life like. Note: If you’re attempting to read this as a Fediverse post, you might find it rather confusing. I recommend using a web browser to read it properly, following this link. The challenge Today, we were given two lists, one of possibly overlapping intervals, in…

  • Advent of Code 2025

    Advent of Code 2025

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    Advent of Code is a global annual coding event, open to anybody. Juha-Matti Santala has written a beautiful description of what all this about. This saves me the effort of doing so myself. Thank you Juhis! In this blog, I am going to share my solutions and my thoughts about them. You may follow it…

  • Day 4: Printing Department

    Day 4: Printing Department

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    Note: If you’re attempting to read this as a Fediverse post, you might find it rather confusing. I recommend using a web browser to read it properly, following this link. The challenge We have a quadratic field filled with the symbols . and @. Our task is to find the number of @ symbols with…

  • Day 3: Lobby

    Day 3: Lobby

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    Note: If you’re attempting to read this as a Fediverse post, you might find it rather confusing. I recommend using a web browser to read it properly, following this link. The challenge Today we were given a list of integer numbers, like 19874, 20001, 89089, … The task was to pick out two digits of…

  • Day 2: Gift Shop

    Day 2: Gift Shop

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    Note: If you’re attempting to read this as a Fediverse post, you might find it rather confusing. I recommend using a web browser to read it properly, following this link. The challenge We were given a comma separated list of number pairs, the pairs being separated by dashes, like 1000-1020. These were to be read…

  • Day 1: Secret Entrance

    Day 1: Secret Entrance

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    Note: If you’re attempting to read this as a Fediverse post, you might find it rather confusing. I recommend using a web browser to read it properly, following this link. The challenge On day 1, we have to open a closed door with a rotary dial and a keypad. The dial has 100 positions from…

  • Bridge Repair

    Bridge Repair

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    This is about the seventh day (for 2024) of the annual programming challenge Advent of Code. The Task In this challenge’s first part we’re presented with lists of numbers in the form: or, to put it in mathematical fashion: x: a(1) a(2) … a(n) The question is: Can we combine these numbers a(i) by addition…