Day 16. Didn't finish. Actually barely started. See you next year!
parent
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GPG Key ID:
AB49BD6B2B3A6377
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "aho-corasick"
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version = "0.7.20"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "day16"
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version = "0.1.0"
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dependencies = [
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"regex",
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]
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[[package]]
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name = "memchr"
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version = "2.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
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[[package]]
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name = "regex"
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version = "1.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-syntax",
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]
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[[package]]
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name = "regex-syntax"
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version = "0.6.28"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
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[package]
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name = "day16"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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regex = "1.7.0"
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Valve NQ has flow rate=0; tunnels lead to valves SU, XD
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Valve AB has flow rate=0; tunnels lead to valves XD, TE
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Valve IA has flow rate=0; tunnels lead to valves CS, WF
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Valve WD has flow rate=0; tunnels lead to valves DW, II
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Valve XD has flow rate=10; tunnels lead to valves AB, NQ, VT, SC, MU
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Valve SL has flow rate=0; tunnels lead to valves RP, DS
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Valve FQ has flow rate=15; tunnels lead to valves EI, YC
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Valve KF has flow rate=0; tunnels lead to valves FL, QP
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Valve QP has flow rate=0; tunnels lead to valves KF, RP
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Valve DS has flow rate=0; tunnels lead to valves SL, AA
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Valve IK has flow rate=0; tunnels lead to valves XC, AA
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Valve HQ has flow rate=0; tunnels lead to valves VM, WV
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Valve WR has flow rate=0; tunnels lead to valves WV, HF
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Valve HH has flow rate=20; tunnels lead to valves PI, CF, CN, NF, AR
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Valve DW has flow rate=19; tunnels lead to valves KD, WD, HS
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Valve RP has flow rate=14; tunnels lead to valves SL, QP, BH, LI, WP
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Valve EC has flow rate=0; tunnels lead to valves NF, XC
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Valve AA has flow rate=0; tunnels lead to valves NH, ES, UC, IK, DS
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Valve VM has flow rate=18; tunnel leads to valve HQ
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Valve NF has flow rate=0; tunnels lead to valves HH, EC
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Valve PS has flow rate=0; tunnels lead to valves AR, SU
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Valve IL has flow rate=0; tunnels lead to valves XC, KZ
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Valve WP has flow rate=0; tunnels lead to valves CS, RP
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Valve WF has flow rate=0; tunnels lead to valves FL, IA
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Valve XW has flow rate=0; tunnels lead to valves OL, NL
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Valve EH has flow rate=0; tunnels lead to valves UK, YR
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Valve UC has flow rate=0; tunnels lead to valves AA, FL
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Valve CS has flow rate=3; tunnels lead to valves IA, CN, LD, RJ, WP
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Valve AR has flow rate=0; tunnels lead to valves PS, HH
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Valve CF has flow rate=0; tunnels lead to valves HH, FL
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Valve NH has flow rate=0; tunnels lead to valves AA, LD
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Valve RJ has flow rate=0; tunnels lead to valves DJ, CS
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Valve XC has flow rate=17; tunnels lead to valves IL, EC, YR, IK, DJ
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Valve TE has flow rate=24; tunnels lead to valves AB, YA
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Valve CN has flow rate=0; tunnels lead to valves HH, CS
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Valve KD has flow rate=0; tunnels lead to valves DW, UK
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Valve SC has flow rate=0; tunnels lead to valves EI, XD
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Valve MU has flow rate=0; tunnels lead to valves XD, YP
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Valve SU has flow rate=22; tunnels lead to valves PS, LI, II, NQ
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Valve FL has flow rate=8; tunnels lead to valves KF, WF, CF, UC, HS
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Valve OL has flow rate=4; tunnels lead to valves KZ, HF, XW
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Valve EI has flow rate=0; tunnels lead to valves FQ, SC
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Valve NL has flow rate=0; tunnels lead to valves XW, UK
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Valve YP has flow rate=21; tunnels lead to valves YA, MU, YC
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Valve BH has flow rate=0; tunnels lead to valves VT, RP
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Valve II has flow rate=0; tunnels lead to valves SU, WD
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Valve YA has flow rate=0; tunnels lead to valves TE, YP
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Valve HS has flow rate=0; tunnels lead to valves FL, DW
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Valve DJ has flow rate=0; tunnels lead to valves RJ, XC
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Valve KZ has flow rate=0; tunnels lead to valves OL, IL
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Valve YR has flow rate=0; tunnels lead to valves EH, XC
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Valve UK has flow rate=7; tunnels lead to valves KD, NL, EH
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Valve YC has flow rate=0; tunnels lead to valves FQ, YP
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Valve ES has flow rate=0; tunnels lead to valves PI, AA
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Valve LI has flow rate=0; tunnels lead to valves SU, RP
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Valve LD has flow rate=0; tunnels lead to valves NH, CS
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Valve VT has flow rate=0; tunnels lead to valves BH, XD
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Valve PI has flow rate=0; tunnels lead to valves ES, HH
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Valve WV has flow rate=11; tunnels lead to valves WR, HQ
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Valve HF has flow rate=0; tunnels lead to valves OL, WR
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use regex::Regex;
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use std::collections::{HashMap, HashSet};
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#[derive(Debug)]
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struct Room<'a> {
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valve: &'a str,
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rate: u8,
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tunnels: Vec<&'a str>,
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}
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fn main() {
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let contents = std::fs::read_to_string("test.txt").expect("Failed to read file");
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let mut hash: HashMap<&str, Room> = HashMap::new();
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contents.lines().for_each(|l| parse(l, &mut hash));
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println!("rooms {:?}", hash);
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traverse(&mut hash, "AA");
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}
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fn parse<'a>(str: &'a str, hash: &mut HashMap<&'a str, Room<'a>>) -> () {
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let re = Regex::new(r"Valve (.*) has flow rate=(.*); tunnels? leads? to valves? (.*)").unwrap();
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let c = re.captures(str).unwrap();
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let valve = c.get(1).unwrap().as_str();
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let rate = c.get(2).unwrap().as_str().parse().unwrap();
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let tunnels = c
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.get(3)
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.unwrap()
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.as_str()
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.split(", ")
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.collect::<Vec<&str>>();
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hash.insert(
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valve,
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Room {
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valve,
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rate,
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tunnels,
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},
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);
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}
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fn traverse(hash: &mut HashMap<&str, Room>, start: &str) -> () {
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let mut visited: HashSet<&str> = HashSet::new();
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let cur = hash.get(start).unwrap();
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// let mut max = 0;
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let mut biggest = cur.tunnels.iter().fold((start, 0), |acc, r| {
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let room = hash.get(r).unwrap();
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if hash.get(r).unwrap().rate > max {
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max = room.rate;
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r
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} else {
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acc
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}
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});
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println!("biggest {:?}", biggest);
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}
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Valve AA has flow rate=0; tunnels lead to valves DD, II, BB
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Valve BB has flow rate=13; tunnels lead to valves CC, AA
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Valve CC has flow rate=2; tunnels lead to valves DD, BB
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Valve DD has flow rate=20; tunnels lead to valves CC, AA, EE
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Valve EE has flow rate=3; tunnels lead to valves FF, DD
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Valve FF has flow rate=0; tunnels lead to valves EE, GG
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Valve GG has flow rate=0; tunnels lead to valves FF, HH
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Valve HH has flow rate=22; tunnel leads to valve GG
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Valve II has flow rate=0; tunnels lead to valves AA, JJ
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Valve JJ has flow rate=21; tunnel leads to valve II
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