Aoc2025

Advent of Code 2025 solutions. All puzzles and parts are solved.

Setup

Test inputs can be found in the test_input/ directory. Real inputs are expected to be in the input/ directory, named as 01.txt, 02.txt, etc.

$ iex -S mix

iex(1)> Aoc2025.test_day(1)
{3, 6}
iex(2)> Aoc2025.run_day(1)
{"part 1 solution", "part 2 solution"}

Dependencies

The only day with a dependency is day 10, which relies on HiGHS. On Mac, it can be installed with:

$ brew install highs