convert to aoc-runner and day1 solutions
This commit is contained in:
4
.gitignore
vendored
4
.gitignore
vendored
@@ -1,5 +1,7 @@
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**/target
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input
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flamegraph.svg
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perf.data
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perf.data*
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guesses
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.aoc_tiles/*
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!.aoc_tiles/tiles/
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1
6/.gitignore
vendored
1
6/.gitignore
vendored
@@ -1 +0,0 @@
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/target
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25
6/Cargo.lock
generated
25
6/Cargo.lock
generated
@@ -1,25 +0,0 @@
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# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
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version = 3
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|
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[[package]]
|
||||
name = "day6"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"itertools",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "either"
|
||||
version = "1.13.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
|
||||
|
||||
[[package]]
|
||||
name = "itertools"
|
||||
version = "0.13.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
|
||||
dependencies = [
|
||||
"either",
|
||||
]
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||||
@@ -1,7 +0,0 @@
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[package]
|
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name = "day6"
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||||
version = "0.1.0"
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||||
edition = "2021"
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||||
|
||||
[dependencies]
|
||||
itertools = "0.13.0"
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100
6/src/main.rs
100
6/src/main.rs
@@ -1,100 +0,0 @@
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use itertools::Itertools;
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use std::fs::File;
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use std::io::{BufRead, BufReader, Lines};
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use std::time::{Duration, Instant};
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// BOILERPLATE
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type InputIter = Lines<BufReader<File>>;
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pub fn get_input() -> InputIter {
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let f = File::open("input").unwrap();
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let br = BufReader::new(f);
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br.lines()
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}
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fn duration_format(duration: Duration) -> String {
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match duration.as_secs_f64() {
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x if x > 1.0 => format!("{:.3}s", x),
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x if x > 0.010 => format!("{:.3}ms", x * 1e3),
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x => format!("{:.3}us", x * 1e6),
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}
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}
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fn main() {
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let input = get_input();
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let start = Instant::now();
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let ans1 = problem1(input);
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let duration1 = start.elapsed();
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println!(
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"Problem 1 solution: {} [{}]",
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ans1,
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duration_format(duration1)
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);
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let input = get_input();
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let start = Instant::now();
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let ans2 = problem2(input);
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let duration2 = start.elapsed();
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println!(
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"Problem 2 solution: {} [{}]",
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ans2,
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duration_format(duration2)
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);
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println!("Total duration: {}", duration_format(duration1 + duration2));
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}
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// PROBLEM 1 solution
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fn problem1<T: BufRead>(mut input: Lines<T>) -> u64 {
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let s = input.next().unwrap().unwrap();
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s.as_bytes().windows(4).enumerate().find_map(|(i, window)| {
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if window[1..4].iter().all(|c| *c != window[0]) && window[2..4].iter().all(|c| *c != window[1]) && window[2] != window[3] {
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println!("Unique window: {:?} at {}", window.iter().map(|c| *c as char).collect_vec(), i);
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Some(i + 4)
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} else {
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None
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}
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}).unwrap() as u64
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}
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// PROBLEM 2 solution
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fn problem2<T: BufRead>(mut input: Lines<T>) -> u64 {
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let s = input.next().unwrap().unwrap();
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let size = 14;
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s.as_bytes().windows(size).enumerate().find_map(|(i, window)| {
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for i in 1..size {
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let shifted = &window[i..];
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||||
if shifted.iter().enumerate().any(|(j,c)| *c == window[j]) {
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return None
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||||
}
|
||||
}
|
||||
return Some(i + 14)
|
||||
}).unwrap() as u64
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||||
}
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||||
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||||
#[cfg(test)]
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||||
mod tests {
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||||
use crate::*;
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use std::io::Cursor;
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||||
|
||||
const EXAMPLE1: &str = &"bvwbjplbgvbhsrlpgdmjqwftvncz";
|
||||
const EXAMPLE2: &str = &"nppdvjthqldpwncqszvftbrmjlhg";
|
||||
const EXAMPLE3: &str = &"nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg";
|
||||
const EXAMPLE4: &str = &"zcfzfwzzqfrljwzlrfnpqdbhtmscgvjw";
|
||||
|
||||
#[test]
|
||||
fn problem1_example() {
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||||
assert_eq!(problem1(Cursor::new(EXAMPLE1).lines()), 5);
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assert_eq!(problem1(Cursor::new(EXAMPLE2).lines()), 6);
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assert_eq!(problem1(Cursor::new(EXAMPLE3).lines()), 10);
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assert_eq!(problem1(Cursor::new(EXAMPLE4).lines()), 11);
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}
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||||
|
||||
#[test]
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||||
fn problem2_example() {
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assert_eq!(problem2(Cursor::new(EXAMPLE1).lines()), 23);
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assert_eq!(problem2(Cursor::new(EXAMPLE2).lines()), 23);
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assert_eq!(problem2(Cursor::new(EXAMPLE3).lines()), 29);
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||||
assert_eq!(problem2(Cursor::new(EXAMPLE4).lines()), 26);
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||||
}
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||||
}
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||||
712
Cargo.lock
generated
Normal file
712
Cargo.lock
generated
Normal file
@@ -0,0 +1,712 @@
|
||||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
version = 4
|
||||
|
||||
[[package]]
|
||||
name = "ahash"
|
||||
version = "0.8.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5a15f179cd60c4584b8a8c596927aadc462e27f2ca70c04e0071964a73ba7a75"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"once_cell",
|
||||
"version_check",
|
||||
"zerocopy",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "aho-corasick"
|
||||
version = "1.1.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "allocator-api2"
|
||||
version = "0.2.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
|
||||
|
||||
[[package]]
|
||||
name = "aoc-runner"
|
||||
version = "0.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d21ef9204ad206a5a3e918e9920da04e1118ad91ce4f23570be964b9d6b9dfcb"
|
||||
|
||||
[[package]]
|
||||
name = "aoc-runner-derive"
|
||||
version = "0.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ba8b944269d3fee645d281b1335e1797044db497bb02d0098cc3fdb8900069cc"
|
||||
dependencies = [
|
||||
"aoc-runner-internal",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 1.0.109",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "aoc-runner-internal"
|
||||
version = "0.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "274b0ba7f3669a45ec0aaacf94eb032a749de880ab776091576cca94037c9982"
|
||||
dependencies = [
|
||||
"serde",
|
||||
"serde_derive",
|
||||
"serde_json",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "aoc2022"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"aoc-runner",
|
||||
"aoc-runner-derive",
|
||||
"atoi",
|
||||
"bitflags",
|
||||
"cached",
|
||||
"colored",
|
||||
"indicatif",
|
||||
"itertools",
|
||||
"lazy_static",
|
||||
"nom",
|
||||
"rayon",
|
||||
"regex",
|
||||
"rustc-hash",
|
||||
"thread_local",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "atoi"
|
||||
version = "2.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f28d99ec8bfea296261ca1af174f24225171fea9664ba9003cbebee704810528"
|
||||
dependencies = [
|
||||
"num-traits",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "autocfg"
|
||||
version = "1.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "2.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
|
||||
|
||||
[[package]]
|
||||
name = "bumpalo"
|
||||
version = "3.19.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "46c5e41b57b8bba42a04676d81cb89e9ee8e859a1a66f80a5a72e1cb76b34d43"
|
||||
|
||||
[[package]]
|
||||
name = "cached"
|
||||
version = "0.54.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9718806c4a2fe9e8a56fd736f97b340dd10ed1be8ed733ed50449f351dc33cae"
|
||||
dependencies = [
|
||||
"ahash",
|
||||
"cached_proc_macro",
|
||||
"cached_proc_macro_types",
|
||||
"hashbrown",
|
||||
"once_cell",
|
||||
"thiserror",
|
||||
"web-time",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cached_proc_macro"
|
||||
version = "0.23.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2f42a145ed2d10dce2191e1dcf30cfccfea9026660e143662ba5eec4017d5daa"
|
||||
dependencies = [
|
||||
"darling",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.111",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cached_proc_macro_types"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ade8366b8bd5ba243f0a58f036cc0ca8a2f069cff1a2351ef1cac6b083e16fc0"
|
||||
|
||||
[[package]]
|
||||
name = "cfg-if"
|
||||
version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
|
||||
|
||||
[[package]]
|
||||
name = "colored"
|
||||
version = "2.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "117725a109d387c937a1533ce01b450cbde6b88abceea8473c4d7a85853cda3c"
|
||||
dependencies = [
|
||||
"lazy_static",
|
||||
"windows-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "console"
|
||||
version = "0.15.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "054ccb5b10f9f2cbf51eb355ca1d05c2d279ce1804688d0db74b4733a5aeafd8"
|
||||
dependencies = [
|
||||
"encode_unicode",
|
||||
"libc",
|
||||
"once_cell",
|
||||
"unicode-width",
|
||||
"windows-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-deque"
|
||||
version = "0.8.6"
|
||||
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|
||||
checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
|
||||
dependencies = [
|
||||
"crossbeam-epoch",
|
||||
"crossbeam-utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-epoch"
|
||||
version = "0.9.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
|
||||
dependencies = [
|
||||
"crossbeam-utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-utils"
|
||||
version = "0.8.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
|
||||
[[package]]
|
||||
name = "darling"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fc7f46116c46ff9ab3eb1597a45688b6715c6e628b5c133e288e709a29bcb4ee"
|
||||
dependencies = [
|
||||
"darling_core",
|
||||
"darling_macro",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "darling_core"
|
||||
version = "0.20.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0d00b9596d185e565c2207a0b01f8bd1a135483d02d9b7b0a54b11da8d53412e"
|
||||
dependencies = [
|
||||
"fnv",
|
||||
"ident_case",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"strsim",
|
||||
"syn 2.0.111",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "darling_macro"
|
||||
version = "0.20.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
|
||||
dependencies = [
|
||||
"darling_core",
|
||||
"quote",
|
||||
"syn 2.0.111",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "either"
|
||||
version = "1.15.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
|
||||
|
||||
[[package]]
|
||||
name = "encode_unicode"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "34aa73646ffb006b8f5147f3dc182bd4bcb190227ce861fc4a4844bf8e3cb2c0"
|
||||
|
||||
[[package]]
|
||||
name = "fnv"
|
||||
version = "1.0.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
|
||||
|
||||
[[package]]
|
||||
name = "hashbrown"
|
||||
version = "0.14.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
|
||||
dependencies = [
|
||||
"ahash",
|
||||
"allocator-api2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ident_case"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
|
||||
|
||||
[[package]]
|
||||
name = "indicatif"
|
||||
version = "0.17.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "183b3088984b400f4cfac3620d5e076c84da5364016b4f49473de574b2586235"
|
||||
dependencies = [
|
||||
"console",
|
||||
"number_prefix",
|
||||
"portable-atomic",
|
||||
"rayon",
|
||||
"unicode-width",
|
||||
"web-time",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "itertools"
|
||||
version = "0.13.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
|
||||
dependencies = [
|
||||
"either",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "itoa"
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|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy"
|
||||
version = "0.8.31"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fd74ec98b9250adb3ca554bdde269adf631549f51d8a8f8f0a10b50f1cb298c3"
|
||||
dependencies = [
|
||||
"zerocopy-derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy-derive"
|
||||
version = "0.8.31"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d8a8d209fdf45cf5138cbb5a506f6b52522a25afccc534d1475dad8e31105c6a"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn 2.0.111",
|
||||
]
|
||||
25
Cargo.toml
Normal file
25
Cargo.toml
Normal file
@@ -0,0 +1,25 @@
|
||||
[package]
|
||||
name = "aoc2022"
|
||||
edition = "2024"
|
||||
version = "0.1.0"
|
||||
|
||||
[dependencies]
|
||||
aoc-runner = "0.3.0"
|
||||
aoc-runner-derive = "0.3.0"
|
||||
atoi = "2.0.0"
|
||||
bitflags = "2.6.0"
|
||||
cached = "0.54.0"
|
||||
colored = "2.1.0"
|
||||
indicatif = { version = "0.17.9", features = ["rayon"] }
|
||||
itertools = "0.13.0"
|
||||
lazy_static = "1.5.0"
|
||||
nom = "7.1.3"
|
||||
rayon = "1.10.0"
|
||||
regex = "1.11.1"
|
||||
rustc-hash = "2.1.0"
|
||||
thread_local = "1.1.8"
|
||||
|
||||
[profile.release]
|
||||
lto = true
|
||||
opt-level = 3
|
||||
overflow-checks = false
|
||||
@@ -1,66 +0,0 @@
|
||||
use std::fs::File;
|
||||
use std::io::{BufRead, BufReader, Lines};
|
||||
use std::time::{Duration, Instant};
|
||||
|
||||
// BOILERPLATE
|
||||
type InputIter = Lines<BufReader<File>>;
|
||||
|
||||
pub fn get_input() -> InputIter {
|
||||
let f = File::open("input").unwrap();
|
||||
let br = BufReader::new(f);
|
||||
br.lines()
|
||||
}
|
||||
|
||||
fn duration_format(duration: Duration) -> String {
|
||||
match duration.as_secs_f64() {
|
||||
x if x > 1.0 => format!("{:.3}s", x),
|
||||
x if x > 0.010 => format!("{:.3}ms", x * 1e3),
|
||||
x => format!("{:.3}us", x * 1e6),
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let input = get_input();
|
||||
let start = Instant::now();
|
||||
let ans1 = problem1(input);
|
||||
let duration1 = start.elapsed();
|
||||
println!("Problem 1 solution: {} [{}]", ans1, duration_format(duration1));
|
||||
|
||||
let input = get_input();
|
||||
let start = Instant::now();
|
||||
let ans2 = problem2(input);
|
||||
let duration2 = start.elapsed();
|
||||
println!("Problem 2 solution: {} [{}]", ans2, duration_format(duration2));
|
||||
println!("Total duration: {}", duration_format(duration1 + duration2));
|
||||
}
|
||||
|
||||
// PROBLEM 1 solution
|
||||
|
||||
fn problem1<T: BufRead>(input: Lines<T>) -> u64 {
|
||||
0
|
||||
}
|
||||
|
||||
// PROBLEM 2 solution
|
||||
fn problem2<T: BufRead>(input: Lines<T>) -> u64 {
|
||||
0
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use crate::*;
|
||||
use std::io::Cursor;
|
||||
|
||||
const EXAMPLE: &str = &"";
|
||||
|
||||
#[test]
|
||||
fn problem1_example() {
|
||||
let c = Cursor::new(EXAMPLE);
|
||||
assert_eq!(problem1(c.lines()), 0);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn problem2_example() {
|
||||
let c = Cursor::new(EXAMPLE);
|
||||
assert_eq!(problem2(c.lines()), 0);
|
||||
}
|
||||
}
|
||||
60
src/day1.rs
Normal file
60
src/day1.rs
Normal file
@@ -0,0 +1,60 @@
|
||||
use aoc_runner_derive::{aoc, aoc_generator};
|
||||
use itertools::Itertools;
|
||||
use std::io::BufRead;
|
||||
|
||||
#[aoc_generator(day1)]
|
||||
// Sum the calories of each elf's food items
|
||||
fn parse(input: &[u8]) -> Vec<u64> {
|
||||
let mut result = Vec::new();
|
||||
let mut cur_elf = 0u64;
|
||||
for line in input.lines() {
|
||||
if let Ok(calories) = line.unwrap().parse::<u64>() {
|
||||
cur_elf += calories
|
||||
} else {
|
||||
result.push(cur_elf);
|
||||
cur_elf = 0
|
||||
}
|
||||
}
|
||||
result.push(cur_elf);
|
||||
result
|
||||
}
|
||||
|
||||
#[aoc(day1, part1)]
|
||||
fn part1(input: &Vec<u64>) -> u64 {
|
||||
*input.iter().max().unwrap()
|
||||
}
|
||||
|
||||
#[aoc(day1, part2)]
|
||||
fn part2(input: &Vec<u64>) -> u64 {
|
||||
input.iter().sorted().rev().take(3).sum::<u64>()
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
const EXAMPLE: &[u8] = b"1000
|
||||
2000
|
||||
3000
|
||||
|
||||
4000
|
||||
|
||||
5000
|
||||
6000
|
||||
|
||||
7000
|
||||
8000
|
||||
9000
|
||||
|
||||
10000";
|
||||
|
||||
#[test]
|
||||
fn part1_example() {
|
||||
assert_eq!(part1(&parse(EXAMPLE)), 24000);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn part2_example() {
|
||||
assert_eq!(part2(&parse(EXAMPLE)), 45000);
|
||||
}
|
||||
}
|
||||
74
src/day6.rs
Normal file
74
src/day6.rs
Normal file
@@ -0,0 +1,74 @@
|
||||
use aoc_runner_derive::aoc;
|
||||
use itertools::Itertools;
|
||||
use std::io::BufRead;
|
||||
|
||||
// PROBLEM 1 solution
|
||||
#[aoc(day6, part1)]
|
||||
fn part1(input: &[u8]) -> u64 {
|
||||
let s = input.lines().next().unwrap().unwrap();
|
||||
s.as_bytes()
|
||||
.windows(4)
|
||||
.enumerate()
|
||||
.find_map(|(i, window)| {
|
||||
if window[1..4].iter().all(|c| *c != window[0])
|
||||
&& window[2..4].iter().all(|c| *c != window[1])
|
||||
&& window[2] != window[3]
|
||||
{
|
||||
println!(
|
||||
"Unique window: {:?} at {}",
|
||||
window.iter().map(|c| *c as char).collect_vec(),
|
||||
i
|
||||
);
|
||||
Some(i + 4)
|
||||
} else {
|
||||
None
|
||||
}
|
||||
})
|
||||
.unwrap() as u64
|
||||
}
|
||||
|
||||
// PROBLEM 2 solution
|
||||
#[aoc(day6, part2)]
|
||||
fn part2(input: &[u8]) -> u64 {
|
||||
let s = input.lines().next().unwrap().unwrap();
|
||||
let size = 14;
|
||||
s.as_bytes()
|
||||
.windows(size)
|
||||
.enumerate()
|
||||
.find_map(|(i, window)| {
|
||||
for i in 1..size {
|
||||
let shifted = &window[i..];
|
||||
if shifted.iter().enumerate().any(|(j, c)| *c == window[j]) {
|
||||
return None;
|
||||
}
|
||||
}
|
||||
return Some(i + 14);
|
||||
})
|
||||
.unwrap() as u64
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use crate::day6::*;
|
||||
|
||||
const EXAMPLE1: &[u8] = b"bvwbjplbgvbhsrlpgdmjqwftvncz";
|
||||
const EXAMPLE2: &[u8] = b"nppdvjthqldpwncqszvftbrmjlhg";
|
||||
const EXAMPLE3: &[u8] = b"nznrnfrfntjfmvfwmzdfjlvtqnbhcprsg";
|
||||
const EXAMPLE4: &[u8] = b"zcfzfwzzqfrljwzlrfnpqdbhtmscgvjw";
|
||||
|
||||
#[test]
|
||||
fn problem1_example() {
|
||||
assert_eq!(part1(EXAMPLE1), 5);
|
||||
assert_eq!(part1(EXAMPLE2), 6);
|
||||
assert_eq!(part1(EXAMPLE3), 10);
|
||||
assert_eq!(part1(EXAMPLE4), 11);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn problem2_example() {
|
||||
assert_eq!(part2(EXAMPLE1), 23);
|
||||
assert_eq!(part2(EXAMPLE2), 23);
|
||||
assert_eq!(part2(EXAMPLE3), 29);
|
||||
assert_eq!(part2(EXAMPLE4), 26);
|
||||
}
|
||||
}
|
||||
6
src/lib.rs
Normal file
6
src/lib.rs
Normal file
@@ -0,0 +1,6 @@
|
||||
mod day1;
|
||||
use aoc_runner_derive::aoc_lib;
|
||||
|
||||
pub mod day6;
|
||||
|
||||
aoc_lib! { year = 2022 }
|
||||
3
src/main.rs
Normal file
3
src/main.rs
Normal file
@@ -0,0 +1,3 @@
|
||||
use aoc_runner_derive::aoc_main;
|
||||
|
||||
aoc_main! { lib = aoc2022 }
|
||||
Reference in New Issue
Block a user