Module aoc::year2018::day17

Reservoir Research

Starting from the spring, recursively works out the kind of each tile, memoizing values for efficiency. Tiles are one of 3 kinds:

• Sand Indicates a tile of unknown type.
• Moving Flowing water.
• Stopped Either clay tile or water that has settled.

This problem is similar to Year 2022 Day 14.

Structs

• Scan

Enums

• Kind 🔒

Functions

• flow 🔒
  Recursively work out the kind of each tile, memoizing values for efficiency.
• parse
• part1
• part2