Module day_10

This is my solution for Advent of Code - Day 10: Hoof It

parse_input turns the input file into a TopographicalMap, where most of the logic is.

TopographicalMap::total_score solves part 1, and TopographicalMap::total_rating solves part 2. Both use TopographicalMap::trailheads to get a list of starting points, which are passed to TopographicalMap::score_trailhead and TopographicalMap::rate_trailhead respectively. These both use TopographicalMap::get_peaks to recursively walk the trail permutations and get a list of peaks that terminate them. The score (part 1) gets the unique peaks before counting them, the rating counts the duplicates.

Structs

• TopographicalMap 🔒
  Represent the map as a list of lists of cells. Most of the business logic for today’s puzzles are functions implemented on this struct.

Functions

• parse_input 🔒
  Parse the puzzle input into the internal representation
• run
  The entry point for running the solutions with the ‘real’ puzzle input.

Type Aliases

• Coordinate 🔒