this post was submitted on 13 Dec 2024
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Advent Of Code
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An unofficial home for the advent of code community on programming.dev!
Advent of Code is an annual Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like.
AoC 2024
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console.log('Hello World')
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C
"The cheapest way" "the fewest tokens", that evil chap!
I'm on a weekend trip and thought to do the puzzle in the 3h train ride but I got silly stumped on 2D line intersection*, was too stubborn to look it up, and fell asleep ๐คก
When I woke up, so did the little nugget of elementary algebra somewhere far in the back of my mind. Tonight I finally got to implementing, which was smooth sailing except for this lesson I learnt:
*) on two parts:
Code
https://github.com/sjmulder/aoc/blob/master/2024/c/day13.c
Line intersection is a nice way of looking at it. My immediate thought was "change of basis".