2022 day 22 part 1 WIP
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@ -1,4 +1,4 @@
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use std::collections::{HashMap, HashSet};
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use std::collections::HashMap;
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use regex::Regex;
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use crate::utils;
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@ -47,15 +47,25 @@ type Point = (usize, usize);
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type Map = HashMap<Point, Tile>;
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type Commands = Vec<Action>;
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struct Dungeon {
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map: Map,
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struct Dungeon<'a> {
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map: &'a Map,
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pos: Point,
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dir: Facing,
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row_bounds: HashMap<usize, (usize, usize)>,
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col_bounds: HashMap<usize, (usize, usize)>,
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}
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impl Dungeon {
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fn new(map: Map, pos: Point, dir: Facing) -> Self {
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Self { map, pos, dir }
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impl<'a> Dungeon<'a> {
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fn new<'data>(map: &'data Map, pos: Point, dir: Facing) -> Self where 'data: 'a {
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let (row_bounds, col_bounds) = map.keys()
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.fold((HashMap::<usize, (usize, usize)>::new(), HashMap::<usize, (usize, usize)>::new()),
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|(mut rows, mut cols), &(r, c)| {
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rows.entry(r).and_modify(|mut x| *x = (x.0.min(c), x.1.max(c))).or_insert((c, c));
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cols.entry(c).and_modify(|mut x| *x = (x.0.min(r), x.1.max(r))).or_insert((r, r));
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(rows, cols)
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});
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println!("{:?}", row_bounds);
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Self { map, pos, dir, row_bounds, col_bounds }
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}
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fn act(&mut self, action: Action) {
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@ -83,7 +93,8 @@ impl Dungeon {
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}
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fn solve1(data: &(Point, Map, Commands)) -> i32 {
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fn solve1((start, map, commands): &(Point, Map, Commands)) -> i32 {
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let mut dungeon = Dungeon::new(map, *start, Facing::R);
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1
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}
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