diff options
| -rw-r--r-- | Cargo.lock | 33 | ||||
| -rw-r--r-- | Cargo.toml | 3 | ||||
| -rw-r--r-- | input/day5.txt | 513 | ||||
| -rw-r--r-- | input/day5_ex.txt | 9 | ||||
| -rw-r--r-- | src/day5.rs | 65 | ||||
| -rw-r--r-- | src/main.rs | 3 |
6 files changed, 624 insertions, 2 deletions
@@ -3,13 +3,46 @@ version = 3 [[package]] +name = "aho-corasick" +version = "0.7.20" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac" +dependencies = [ + "memchr", +] + +[[package]] name = "aoc2022" version = "0.1.0" dependencies = [ + "regex", "simple-error", ] [[package]] +name = "memchr" +version = "2.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d" + +[[package]] +name = "regex" +version = "1.7.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a" +dependencies = [ + "aho-corasick", + "memchr", + "regex-syntax", +] + +[[package]] +name = "regex-syntax" +version = "0.6.28" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848" + +[[package]] name = "simple-error" version = "0.2.3" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -6,4 +6,5 @@ edition = "2021" # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] -simple-error = "0.2.3"
\ No newline at end of file +simple-error = "0.2.3" +regex = "1.7.0"
\ No newline at end of file diff --git a/input/day5.txt b/input/day5.txt new file mode 100644 index 0000000..23e3650 --- /dev/null +++ b/input/day5.txt @@ -0,0 +1,513 @@ +[T] [P] [J] +[F] [S] [T] [R] [B] +[V] [M] [H] [S] [F] [R] +[Z] [P] [Q] [B] [S] [W] [P] +[C] [Q] [R] [D] [Z] [N] [H] [Q] +[W] [B] [T] [F] [L] [T] [M] [F] [T] +[S] [R] [Z] [V] [G] [R] [Q] [N] [Z] +[Q] [Q] [B] [D] [J] [W] [H] [R] [J] + 1 2 3 4 5 6 7 8 9 + +move 3 from 8 to 2 +move 3 from 1 to 5 +move 3 from 1 to 4 +move 2 from 7 to 4 +move 3 from 7 to 4 +move 8 from 5 to 7 +move 2 from 1 to 8 +move 7 from 3 to 2 +move 1 from 5 to 2 +move 1 from 6 to 7 +move 2 from 5 to 9 +move 1 from 9 to 1 +move 3 from 9 to 6 +move 5 from 6 to 2 +move 10 from 7 to 2 +move 3 from 8 to 9 +move 7 from 9 to 2 +move 1 from 1 to 2 +move 1 from 9 to 6 +move 1 from 4 to 1 +move 1 from 8 to 2 +move 11 from 4 to 2 +move 1 from 7 to 9 +move 1 from 4 to 6 +move 1 from 9 to 7 +move 1 from 1 to 3 +move 1 from 7 to 5 +move 1 from 4 to 9 +move 1 from 5 to 2 +move 1 from 3 to 8 +move 1 from 6 to 9 +move 1 from 8 to 6 +move 11 from 2 to 1 +move 1 from 6 to 8 +move 7 from 2 to 1 +move 14 from 2 to 7 +move 1 from 6 to 3 +move 1 from 8 to 2 +move 1 from 3 to 9 +move 7 from 7 to 1 +move 1 from 6 to 5 +move 5 from 7 to 6 +move 4 from 2 to 8 +move 3 from 6 to 7 +move 3 from 7 to 8 +move 9 from 1 to 3 +move 8 from 3 to 7 +move 1 from 3 to 1 +move 2 from 2 to 3 +move 1 from 6 to 7 +move 2 from 1 to 7 +move 7 from 1 to 6 +move 1 from 3 to 5 +move 2 from 5 to 3 +move 7 from 6 to 3 +move 9 from 7 to 5 +move 1 from 9 to 1 +move 4 from 8 to 5 +move 7 from 1 to 5 +move 4 from 7 to 2 +move 1 from 7 to 8 +move 1 from 6 to 4 +move 10 from 5 to 3 +move 8 from 5 to 1 +move 2 from 8 to 3 +move 2 from 8 to 9 +move 8 from 2 to 7 +move 4 from 9 to 8 +move 13 from 3 to 7 +move 1 from 5 to 3 +move 6 from 3 to 9 +move 10 from 1 to 9 +move 1 from 3 to 4 +move 6 from 9 to 7 +move 1 from 5 to 8 +move 14 from 7 to 6 +move 14 from 6 to 1 +move 13 from 1 to 8 +move 1 from 1 to 2 +move 9 from 8 to 9 +move 6 from 8 to 5 +move 2 from 4 to 6 +move 1 from 8 to 1 +move 2 from 2 to 1 +move 2 from 8 to 6 +move 3 from 1 to 2 +move 3 from 3 to 9 +move 16 from 9 to 1 +move 3 from 2 to 4 +move 3 from 7 to 2 +move 6 from 5 to 4 +move 5 from 7 to 3 +move 4 from 6 to 1 +move 10 from 2 to 9 +move 13 from 9 to 1 +move 5 from 7 to 2 +move 2 from 4 to 6 +move 1 from 9 to 1 +move 2 from 9 to 5 +move 2 from 6 to 8 +move 2 from 5 to 3 +move 1 from 8 to 3 +move 31 from 1 to 7 +move 2 from 1 to 5 +move 12 from 7 to 3 +move 11 from 3 to 2 +move 1 from 8 to 4 +move 6 from 4 to 5 +move 1 from 3 to 4 +move 8 from 3 to 2 +move 5 from 5 to 6 +move 2 from 6 to 7 +move 4 from 7 to 3 +move 1 from 6 to 9 +move 13 from 7 to 6 +move 13 from 2 to 3 +move 1 from 4 to 8 +move 10 from 2 to 3 +move 3 from 7 to 3 +move 2 from 2 to 1 +move 1 from 8 to 2 +move 2 from 4 to 7 +move 1 from 9 to 2 +move 3 from 7 to 3 +move 1 from 5 to 1 +move 2 from 5 to 2 +move 15 from 6 to 7 +move 4 from 1 to 9 +move 22 from 3 to 9 +move 7 from 3 to 9 +move 4 from 3 to 8 +move 4 from 9 to 4 +move 3 from 2 to 4 +move 5 from 7 to 1 +move 7 from 4 to 7 +move 2 from 8 to 4 +move 1 from 4 to 8 +move 3 from 1 to 5 +move 2 from 1 to 4 +move 1 from 2 to 9 +move 2 from 5 to 7 +move 1 from 5 to 9 +move 3 from 8 to 6 +move 8 from 7 to 1 +move 6 from 7 to 1 +move 10 from 1 to 9 +move 3 from 6 to 2 +move 2 from 1 to 3 +move 2 from 3 to 6 +move 3 from 7 to 4 +move 2 from 7 to 1 +move 1 from 2 to 5 +move 13 from 9 to 5 +move 12 from 9 to 3 +move 6 from 5 to 3 +move 2 from 9 to 1 +move 11 from 9 to 3 +move 1 from 4 to 6 +move 2 from 5 to 3 +move 1 from 1 to 8 +move 24 from 3 to 5 +move 2 from 9 to 3 +move 2 from 2 to 4 +move 1 from 9 to 2 +move 2 from 6 to 8 +move 5 from 3 to 5 +move 2 from 8 to 9 +move 1 from 9 to 8 +move 4 from 1 to 4 +move 1 from 9 to 4 +move 1 from 8 to 4 +move 1 from 8 to 4 +move 7 from 4 to 5 +move 1 from 1 to 8 +move 1 from 6 to 5 +move 35 from 5 to 4 +move 18 from 4 to 3 +move 6 from 4 to 3 +move 8 from 5 to 8 +move 8 from 8 to 1 +move 2 from 4 to 9 +move 23 from 3 to 1 +move 1 from 8 to 5 +move 1 from 9 to 1 +move 1 from 5 to 1 +move 1 from 9 to 4 +move 11 from 1 to 2 +move 16 from 4 to 5 +move 3 from 3 to 5 +move 9 from 2 to 5 +move 1 from 4 to 1 +move 2 from 2 to 6 +move 1 from 2 to 9 +move 1 from 6 to 2 +move 1 from 3 to 5 +move 1 from 3 to 9 +move 1 from 2 to 9 +move 23 from 1 to 5 +move 1 from 6 to 9 +move 1 from 9 to 8 +move 27 from 5 to 1 +move 1 from 9 to 3 +move 18 from 5 to 8 +move 6 from 5 to 7 +move 1 from 5 to 6 +move 1 from 9 to 8 +move 12 from 8 to 3 +move 1 from 1 to 4 +move 6 from 7 to 8 +move 1 from 6 to 3 +move 1 from 4 to 2 +move 2 from 1 to 8 +move 1 from 2 to 9 +move 8 from 3 to 2 +move 2 from 9 to 7 +move 5 from 2 to 7 +move 7 from 7 to 2 +move 2 from 8 to 2 +move 3 from 1 to 9 +move 5 from 1 to 2 +move 3 from 9 to 8 +move 3 from 8 to 7 +move 5 from 2 to 5 +move 2 from 7 to 6 +move 12 from 8 to 9 +move 12 from 1 to 4 +move 9 from 9 to 3 +move 4 from 5 to 8 +move 12 from 3 to 8 +move 1 from 7 to 9 +move 3 from 9 to 2 +move 1 from 4 to 7 +move 3 from 1 to 7 +move 7 from 4 to 6 +move 3 from 6 to 2 +move 2 from 7 to 9 +move 18 from 8 to 1 +move 2 from 4 to 7 +move 1 from 2 to 8 +move 1 from 8 to 2 +move 10 from 2 to 3 +move 3 from 9 to 8 +move 2 from 6 to 7 +move 13 from 3 to 1 +move 2 from 8 to 9 +move 28 from 1 to 8 +move 1 from 5 to 2 +move 1 from 4 to 3 +move 4 from 7 to 6 +move 5 from 6 to 7 +move 7 from 2 to 6 +move 1 from 9 to 6 +move 2 from 2 to 4 +move 1 from 9 to 1 +move 4 from 1 to 2 +move 3 from 2 to 5 +move 3 from 4 to 9 +move 3 from 5 to 7 +move 1 from 1 to 4 +move 6 from 7 to 6 +move 1 from 2 to 6 +move 1 from 4 to 1 +move 1 from 1 to 8 +move 3 from 9 to 4 +move 18 from 6 to 3 +move 4 from 3 to 6 +move 1 from 7 to 9 +move 1 from 6 to 9 +move 2 from 3 to 6 +move 1 from 9 to 6 +move 1 from 9 to 2 +move 6 from 6 to 8 +move 3 from 4 to 7 +move 2 from 7 to 2 +move 35 from 8 to 7 +move 3 from 3 to 1 +move 26 from 7 to 2 +move 10 from 3 to 9 +move 6 from 9 to 4 +move 3 from 1 to 2 +move 1 from 4 to 3 +move 4 from 4 to 1 +move 1 from 3 to 6 +move 1 from 8 to 3 +move 1 from 6 to 2 +move 1 from 3 to 2 +move 13 from 7 to 3 +move 3 from 1 to 4 +move 4 from 3 to 1 +move 3 from 1 to 9 +move 2 from 1 to 9 +move 10 from 2 to 9 +move 19 from 2 to 9 +move 6 from 3 to 9 +move 2 from 3 to 4 +move 2 from 2 to 6 +move 17 from 9 to 8 +move 1 from 2 to 8 +move 2 from 9 to 3 +move 2 from 6 to 7 +move 8 from 9 to 3 +move 5 from 4 to 5 +move 14 from 9 to 4 +move 1 from 2 to 3 +move 1 from 7 to 2 +move 2 from 9 to 3 +move 1 from 2 to 7 +move 5 from 5 to 1 +move 1 from 2 to 1 +move 1 from 3 to 1 +move 1 from 9 to 7 +move 3 from 7 to 2 +move 3 from 3 to 7 +move 1 from 2 to 4 +move 1 from 3 to 8 +move 1 from 2 to 4 +move 4 from 3 to 4 +move 16 from 8 to 9 +move 3 from 1 to 4 +move 21 from 4 to 6 +move 1 from 7 to 2 +move 1 from 8 to 2 +move 1 from 1 to 3 +move 6 from 6 to 7 +move 3 from 1 to 9 +move 3 from 7 to 3 +move 1 from 4 to 6 +move 1 from 4 to 7 +move 2 from 2 to 6 +move 1 from 8 to 6 +move 13 from 6 to 7 +move 1 from 2 to 3 +move 15 from 9 to 8 +move 6 from 6 to 3 +move 13 from 8 to 3 +move 4 from 9 to 4 +move 5 from 4 to 8 +move 19 from 3 to 9 +move 3 from 3 to 1 +move 5 from 8 to 9 +move 17 from 9 to 7 +move 1 from 1 to 8 +move 4 from 9 to 6 +move 3 from 3 to 8 +move 1 from 1 to 2 +move 3 from 3 to 1 +move 36 from 7 to 6 +move 1 from 1 to 2 +move 7 from 8 to 2 +move 24 from 6 to 5 +move 2 from 6 to 7 +move 1 from 3 to 2 +move 4 from 6 to 8 +move 19 from 5 to 1 +move 8 from 6 to 4 +move 7 from 2 to 5 +move 3 from 2 to 8 +move 15 from 1 to 6 +move 2 from 9 to 5 +move 2 from 7 to 8 +move 3 from 4 to 1 +move 4 from 5 to 6 +move 1 from 9 to 7 +move 1 from 8 to 3 +move 3 from 6 to 1 +move 2 from 4 to 7 +move 13 from 1 to 8 +move 1 from 3 to 7 +move 1 from 4 to 5 +move 19 from 8 to 6 +move 1 from 7 to 3 +move 8 from 5 to 8 +move 1 from 6 to 8 +move 3 from 5 to 9 +move 1 from 6 to 4 +move 3 from 4 to 7 +move 1 from 3 to 9 +move 4 from 7 to 9 +move 20 from 6 to 3 +move 1 from 8 to 4 +move 2 from 9 to 4 +move 2 from 9 to 2 +move 2 from 9 to 3 +move 13 from 6 to 9 +move 9 from 9 to 8 +move 2 from 6 to 3 +move 8 from 8 to 2 +move 2 from 7 to 3 +move 5 from 9 to 3 +move 12 from 3 to 5 +move 1 from 4 to 7 +move 8 from 2 to 4 +move 8 from 4 to 7 +move 2 from 2 to 6 +move 2 from 8 to 9 +move 2 from 6 to 8 +move 2 from 9 to 6 +move 2 from 6 to 9 +move 2 from 4 to 8 +move 2 from 9 to 2 +move 6 from 3 to 1 +move 2 from 2 to 9 +move 3 from 9 to 3 +move 8 from 7 to 2 +move 6 from 1 to 2 +move 8 from 3 to 8 +move 1 from 7 to 3 +move 5 from 3 to 8 +move 6 from 2 to 7 +move 3 from 7 to 6 +move 2 from 7 to 9 +move 1 from 7 to 8 +move 8 from 5 to 7 +move 7 from 2 to 1 +move 7 from 1 to 6 +move 7 from 7 to 9 +move 1 from 7 to 6 +move 2 from 3 to 9 +move 2 from 8 to 5 +move 25 from 8 to 5 +move 5 from 5 to 1 +move 1 from 6 to 4 +move 17 from 5 to 4 +move 5 from 5 to 4 +move 23 from 4 to 7 +move 2 from 5 to 2 +move 4 from 6 to 3 +move 6 from 3 to 7 +move 1 from 5 to 2 +move 1 from 1 to 7 +move 2 from 2 to 8 +move 2 from 2 to 9 +move 1 from 5 to 7 +move 4 from 1 to 6 +move 2 from 8 to 3 +move 2 from 9 to 4 +move 1 from 4 to 8 +move 7 from 9 to 1 +move 2 from 3 to 5 +move 28 from 7 to 4 +move 4 from 6 to 2 +move 2 from 6 to 2 +move 3 from 7 to 4 +move 2 from 5 to 6 +move 4 from 2 to 6 +move 9 from 6 to 5 +move 4 from 1 to 7 +move 1 from 6 to 2 +move 3 from 2 to 3 +move 1 from 8 to 6 +move 1 from 7 to 4 +move 2 from 3 to 4 +move 1 from 7 to 4 +move 2 from 1 to 6 +move 1 from 7 to 9 +move 1 from 7 to 9 +move 1 from 6 to 2 +move 7 from 5 to 8 +move 1 from 3 to 9 +move 1 from 5 to 2 +move 7 from 8 to 7 +move 4 from 4 to 8 +move 2 from 8 to 4 +move 2 from 2 to 7 +move 1 from 1 to 7 +move 1 from 5 to 6 +move 32 from 4 to 7 +move 2 from 6 to 5 +move 2 from 8 to 2 +move 1 from 2 to 1 +move 2 from 5 to 4 +move 1 from 2 to 5 +move 1 from 1 to 4 +move 4 from 4 to 3 +move 1 from 6 to 4 +move 1 from 5 to 4 +move 5 from 9 to 1 +move 4 from 3 to 5 +move 3 from 1 to 6 +move 2 from 9 to 5 +move 2 from 1 to 3 +move 15 from 7 to 1 +move 5 from 5 to 3 +move 1 from 5 to 2 +move 3 from 4 to 5 +move 2 from 5 to 9 +move 3 from 3 to 6 +move 3 from 3 to 4 +move 1 from 3 to 8 +move 1 from 9 to 3 +move 2 from 4 to 9 +move 1 from 5 to 3 +move 2 from 9 to 6 +move 1 from 8 to 1 +move 1 from 3 to 2 +move 1 from 4 to 9 +move 2 from 9 to 3 +move 9 from 1 to 3 +move 5 from 3 to 4 +move 2 from 1 to 3 +move 4 from 1 to 5 +move 1 from 2 to 8 +move 3 from 4 to 9
\ No newline at end of file diff --git a/input/day5_ex.txt b/input/day5_ex.txt new file mode 100644 index 0000000..e98aba4 --- /dev/null +++ b/input/day5_ex.txt @@ -0,0 +1,9 @@ + [D] +[N] [C] +[Z] [M] [P] + 1 2 3 + +move 1 from 2 to 1 +move 3 from 1 to 3 +move 2 from 2 to 1 +move 1 from 1 to 2
\ No newline at end of file diff --git a/src/day5.rs b/src/day5.rs new file mode 100644 index 0000000..806ddf2 --- /dev/null +++ b/src/day5.rs @@ -0,0 +1,65 @@ +use std::{collections::HashMap}; +use regex::Regex; + +pub fn run(input: String) { + let lines: Vec<&str> = input.lines().collect(); + let mut lix: usize = 0; + let mut ship: HashMap<usize, Vec<char>> = HashMap::new(); + for line in lines.iter() { + lix += 1; + let chrs: Vec<char> = line.chars().collect(); + // Line with just container numbers after the containers themselves + if chrs[1] == '1' { + break; + } + for (ix, container) in chrs.chunks(4).enumerate() { + let stack = ship.entry(ix+1).or_insert(Vec::new());// key starts at 1, of course + let payload = container[1]; + if payload.is_alphabetic() { + stack.insert(0, payload) // last one we found is always the bottom of the stack + } + } + } + println!("ship: {:?}", ship); + lix += 1; + + + let re = Regex::new(r"^move (\d+) from (\d+) to (\d+)$").unwrap(); + assert!(re.is_match("move 1 from 2 to 4")); + for line in lines[lix..].iter() { + // parse the instruction... + // "move 1 from 2 to 1" + + let mm = re.captures(line).expect("instruction didn't match regex???"); + let n: usize = mm.get(1).unwrap().as_str().parse().unwrap(); + let ifrom: usize = mm.get(2).unwrap().as_str().parse().unwrap(); + let ito: usize = mm.get(3).unwrap().as_str().parse().unwrap(); + println!("moving {} from {} to {}", n, ifrom, ito); + // for _ in 0..n { + // let stackfrom = ship.get_mut(&ifrom).expect("couldn't find stack to pop from!"); + // let ch = stackfrom.pop().expect("failed to pop from stack! maybe it was empty?"); + // let stackto = ship.get_mut(&ito).expect("couldn't find stack to push to!"); + // stackto.push(ch); + // } + let stackfrom = ship.get_mut(&ifrom).expect("couldn't find stack to pop from!"); + let mut chunk: Vec<char> = Vec::new(); + for _ in 0..n { + let ch = stackfrom.pop().expect("failed to pop from stack! maybe it was empty?"); + chunk.push(ch); + } + let stackto = ship.get_mut(&ito).expect("couldn't find stack to push to!"); + for _ in 0..n { + let ch = chunk.pop().unwrap(); + stackto.push(ch); + } + } + + print!("day 5: "); + for i in 1..(ship.keys().len()+1) { + let topch = ship.get(&i).unwrap().last().unwrap(); + print!("{}", topch); + } + print!("\n"); + + +}
\ No newline at end of file diff --git a/src/main.rs b/src/main.rs index c257999..12aa4b2 100644 --- a/src/main.rs +++ b/src/main.rs @@ -3,12 +3,13 @@ use std::fs; mod day1; mod day2; mod day3; - mod day4; +mod day5; fn main() { day1::run(fs::read_to_string("input/day1.txt").expect("Failed to read input file!")); day2::run(fs::read_to_string("input/day2.txt").expect("Failed to read input file!")); day3::run(fs::read_to_string("input/day3.txt").expect("Failed to read input file!")); day4::run(fs::read_to_string("input/day4.txt").expect("Failed to read input file!")); + day5::run(fs::read_to_string("input/day5.txt").expect("Failed to read input file!")); } |