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Edit: you can delete. Already clarified..

Hi David,

I am totally stuck with part 2 of day 24. Your solution trips on line 111. I don't know if it's due to my input file,

I cannot seem to get a valid result from cameronaavik or penguin solutions either. See: https://github.com/Bogdanp/awesome-advent-of-code?tab=readme-ov-file#c-1 They are the only other C# solutions to day 24 part2 that I could find.

I have attached my input file.

I find it very frustrating not being able to get the final star. So if ever you feel like having a look, it would make me very happy if you could spot the issue.

Kind regards.
Erik

Hi David,

There seems to be an issue with the solution for Monkey Math (2022/21 ). The local function buildExpr within the Parse function, complains about 'name not found'. This happens when the name is looked up the context dictionary, while building the expression tree (before simplify is called).

This happens both with file included in the repo as well as with my personal input file. In repo file complains about 'rcmw'. In my personal file this is 'jwcp'.

I have observed that both are a defined by a sum operation and are used once, as input to a multiplication operation. The name/sum operation is part of the dictionary before it builds the expression tree.

I would have loved to contribute via a PR, but I cannot seem to find the issue.

My compliments for your very smart and elegant solutions. They have inspired me to make my code better. tipped me about how to get the puzzle solved. And last few days, simply to produce my answer, when I I was not able to solve it. Thank you!

Kind regards,
Erik Linthorst
Amsterdam, The Netherlands

aoc-y2022-d21-erik.txt

I got it removed, because I never used it, but I see that @FaustVX started to use it, so I'll add it back.
Things are not that simple if you have a user...

I was trying to make use of this AOC framework to solve AOC challenges myself, but it seems to break if no year folder exists

execute, for example, dotnet run update 2021/1

Updating https://adventofcode.com/2021/day/1
Unhandled exception. System.AggregateException: One or more errors occurred. (Sequence contains no elements)
 ---> System.InvalidOperationException: Sequence contains no elements
   at System.Linq.ThrowHelper.ThrowNoElementsException()
   at System.Linq.Enumerable.MinInteger[T](IEnumerable`1 source)
   at AdventOfCode.Updater.Update(Int32 year, Int32 day) in ...RepoPath...\Lib\Updater.cs:line 52
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.Wait()
   at Program.<>c__DisplayClass0_1.<<Main>$>b__16() in ...RepoPath...\App.cs:line 17
   at Program.<Main>$(String[] args) in ...RepoPath...\App.cs:line 111

In Updater.Update():

...
var years = Assembly.GetEntryAssembly().GetTypes()
    .Where(t => t.GetTypeInfo().IsClass && typeof(Solver).IsAssignableFrom(t))
    .Select(tsolver => SolverExtensions.Year(tsolver));

UpdateProjectReadme(years.Min(), years.Max());
...

the Enumerable years variable seems to be empty and it breaks when attempting to get the Min() and Max() of the collection.

I think something like this would solve the issue:

...
var years = Assembly.GetEntryAssembly().GetTypes()
    .Where(t => t.GetTypeInfo().IsClass && typeof(Solver).IsAssignableFrom(t))
    .Select(tsolver => SolverExtensions.Year(tsolver));

if (years.Count() == 0) {
    years = new int[] { year };
}

UpdateProjectReadme(years.Min(), years.Max());
...

Hello. I was searching some solutions for AoC and I saw yours. I cloned repo and tried run a solver but unfortunately i had a problem.

I tried to run in MacOS and Windows11. In windows 11 i tried to update and it give me same problem when loading font for svg. In MacOS I tried to run a solver and i got the below error.

It work in debug folder not main working dir.

The puzzle descriptions for Advent of Code are not licensed for duplication or redistribution. You do not have permission to rehost them in this repository. Please remove them.

Loving this repo - it provides a very good starting point for solving the advent of code problems, but the code doesn't have a license associated with it, which means that it cannot really be used by me (or someone else) to provide our own solutions.

Is it possible to add a license to the repository?
See https://help.github.com/en/articles/licensing-a-repository for more information about licenses.