Struct Day19

pub struct Day19 { /* private fields */ }

2015 Day 19: Molecule string replacements.

Part 2 assumes there is only one possible number of steps but does not assume the Rn Y Ar bracket structure or use the formula. Instead, it uses an optimized Earley parser, which ensures the molecule can be created from the provided rules.

Implementations

impl Day19

pub fn new(input: &str, _: InputType) -> Result<Self, InputError>

pub fn part1(&self) -> usize

pub fn part2(&self) -> u32

Trait Implementations

impl Clone for Day19

fn clone(&self) -> Day19

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Day19

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Puzzle for Day19

const YEAR: Year

Year 2015

const DAY: Day

Day 19

impl PuzzleExamples<usize, u32> for Day19

const EXAMPLES: &'static [(&'static str, Option<usize>, Option<u32>)]