AdventOfCodeCSharp VS advent-of-code-2022

Code Here: https://github.com/Bpendragon/AdventOfCodeCSharp/blob/332e303/AdventOfCode/Solutions/Year2022/Day18-Solution.cs

C#/Csharp: Code here

rewrote it as a pair of linq oneliners (sort of, if you ignore parsing, like that's the one thing I wish C# could do better: read ints from files) https://github.com/Bpendragon/AdventOfCodeCSharp/blob/0800b/AdventOfCode/Solutions/Year2022/Day04-Solution.cs

The Github Repo can be found here: https://github.com/coreyja/advent-of-code-2022 Advent of Code Site: https://adventofcode.com/2022

I am catching up on the 2022 Advent of Code and am stuck on part two of day three.

Solution

Soluzione TypeScript

I have started doing this years Advent of Code in BQN, which is an APL-inspired Array programming language. It's been wild how different I have to think about stuff in BQN compared to something like Rust. Also the solutions tend to look absurd to the untrained eye E.g. this is the my solution for day 1 after parsing the data: ((0⊑⍒)⊑⊢)+´¨ .

If anybody else is doing AoC - 2022 in lisp, I'd like to follow your solutions.

Just because we can (using Excel for Mac compatible formulas only so far) let's solve https://adventofcode.com/2022

While an experienced programmer, I'm just starting to learn Rust by doing this year's Advent of Code in it. For today's problem Day 03 , I needed to find the intersection of three sets of characters. Using HashSet, I'd expected to be able to do something along the lines of this: