Advent of Code 2025 Day 3 (BaseA Style)

[AlteryxCommunityTeam]

Discussion thread for day 3 of the Advent of Code - https://adventofcode.com/2025/day/3

[kelsey_kincaid]

Spoiler

The logic was relatively straightforward - the key was making sure to only sample the largest digit available while leaving enough digits intact. Sample tool for the win on this one! I could tweak my macro to help it solve for both parts, but that's a future task :) 

[iracine]

Was able to solve part 1 and I could swear my part two works... but it doesn't yet...

Spoiler

[aiahwieder]

Real Job got in the way a bit but I came back for Part 2 -- here's my solution!

[EKasminsky]

Your answer helped me a ton, @Qiu. Still trying to process part 2 but man I've learned a whole lot. Tile seems like such a helpful tool!

[Desmond]

Finally done with day 3

[kelly_gilbert]

I was totally surprised at how easily I remembered how to build an iterative macro, now that I don't use Alteryx as much in my day-to-day!

Spoiler

Outer workflow:

outer workflow




Iterative macro:
Iterates once for each battery to turn on (e.g. 12 times), finds the available subset of digits, finds the max of those digits, then resets the position of the last used digit.

macro

[Yoshiro_Fujimori]

My solution.

Spoiler

Workflow