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232
Cargo.lock generated
View file

@ -11,145 +11,20 @@ dependencies = [
"memchr",
]
[[package]]
name = "ansi_term"
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"syn",
]
[[package]]
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[[package]]
name = "heck"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "is_terminal_polyfill"
version = "1.70.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "memchr"
version = "2.7.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
[[package]]
name = "paste"
version = "1.0.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
[[package]]
name = "proc-macro2"
version = "1.0.92"
@ -197,12 +72,6 @@ version = "0.8.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
[[package]]
name = "strsim"
version = "0.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "syn"
version = "2.0.90"
@ -239,104 +108,3 @@ name = "unicode-ident"
version = "1.0.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"winapi-i686-pc-windows-gnu",
"winapi-x86_64-pc-windows-gnu",
]
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3
Cargo.toml
View file

@ -4,8 +4,5 @@
version = "0.1.0"
[dependencies]
ansi_term = "0.12"
clap = { version = "4", features = ["derive"] }
paste = "1"
regex = "1"
thiserror = "2"

14
src/cli.rs
View file

@ -1,14 +0,0 @@
use std::path::PathBuf;
use clap::Parser;
#[derive(Parser, Debug, Clone)]
#[command(version, about, long_about = None)]
#[command(propagate_version = true)]
#[command(rename_all = "kebab-case")]
pub struct AocCli {
#[arg(short, long)]
pub day: u8,
#[arg(short, long, default_value = None)]
pub input: Option<PathBuf>,
}

1
src/lib.rs
View file

@ -1,3 +1,2 @@
pub mod cli;
pub mod solutions;
pub mod utils;

39
src/main.rs
View file

@ -1,36 +1,7 @@
use ansi_term::enable_ansi_support;
use aoc2024::{
cli::AocCli,
map_solution,
solutions::{
AocDayFiveSolution, AocDayFourSolution, AocDayOneSolution, AocDayThreeSolution,
AocDayTwoSolution, AocSolution,
},
utils::{Error, Result},
};
use clap::Parser;
use aoc2024::solutions::{day_5::AocDayFiveSolution, AocSolution};
fn main() -> Result<()> {
if let Err(e) = enable_ansi_support() {
println!("{e}");
}
let cli = match AocCli::try_parse() {
Ok(cli) => cli,
Err(e) => {
println!("{}", e.render().ansi());
return Ok(());
}
};
println!("Solution for Day {}:", cli.day);
map_solution! {cli :
1 => AocDayOneSolution,
2 => AocDayTwoSolution,
3 => AocDayThreeSolution,
4 => AocDayFourSolution,
5 => AocDayFiveSolution,
};
Ok(())
fn main() {
let sol = AocDayFiveSolution;
println!("p1: {}\np2: {}", sol.part_one(), sol.part_two())
}

27
src/solutions/day_1.rs
View file

@ -1,23 +1,16 @@
use std::{collections::HashMap, fs::read_to_string, path::Path};
use std::collections::HashMap;
use super::AocSolution;
use crate::utils::Result;
#[derive(Clone, Copy)]
pub struct AocDayOneSolution;
impl AocSolution for AocDayOneSolution {
type Output = u64;
const INPUT: &str = include_str!("../../input/day1.txt");
fn get_input(&self, path: Option<&Path>) -> Result<String> {
Ok(match path {
Some(p) => read_to_string(p)?,
None => read_to_string("./input/day_1.txt")?,
})
}
fn part_one(&self, input: &str) -> Result<Self::Output> {
let (mut left, mut right) = input
fn part_one(&self) -> Self::Output {
let (mut left, mut right) = Self::INPUT
.lines()
.filter_map(|s| s.split_once(' ').map(|(s, x)| (s.trim(), x.trim())))
.filter_map(
@ -35,18 +28,16 @@ impl AocSolution for AocDayOneSolution {
left.sort();
right.sort();
Ok(left
.into_iter()
left.into_iter()
.zip(right)
.map(|(l, r)| if l > r { l - r } else { r - l })
.sum())
.sum()
}
fn part_two(&self, input: &str) -> Result<Self::Output> {
fn part_two(&self) -> Self::Output {
let mut cache = HashMap::<u64, u64>::new();
let mut similarity_score = 0;
let (left, right) = input
let (left, right) = Self::INPUT
.lines()
.filter_map(|s| s.split_once(' ').map(|(s, x)| (s.trim(), x.trim())))
.filter_map(
@ -71,6 +62,6 @@ impl AocSolution for AocDayOneSolution {
}
}
Ok(similarity_score)
similarity_score
}
}

1
src/solutions/day_10.rs
View file

@ -1 +0,0 @@
pub struct AocDayTenSolution;

1
src/solutions/day_11.rs
View file

@ -1 +0,0 @@
pub struct AocDayElevenSolution;

1
src/solutions/day_12.rs
View file

@ -1 +0,0 @@
pub struct AocDayTwelveSolution;

1
src/solutions/day_13.rs
View file

@ -1 +0,0 @@
pub struct AocDayThirteenSolution;

1
src/solutions/day_14.rs
View file

@ -1 +0,0 @@
pub struct AocDayFourteenSolution;

1
src/solutions/day_15.rs
View file

@ -1 +0,0 @@
pub struct AocDayFifteenSolution;

1
src/solutions/day_16.rs
View file

@ -1 +0,0 @@
pub struct AocDaySixteenSolution;

1
src/solutions/day_17.rs
View file

@ -1 +0,0 @@
pub struct AocDaySeventeenSolution;

1
src/solutions/day_18.rs
View file

@ -1 +0,0 @@
pub struct AocDayEighteenSolution;

1
src/solutions/day_19.rs
View file

@ -1 +0,0 @@
pub struct AocDayNineteenSolution;

23
src/solutions/day_2.rs
View file

@ -1,7 +1,4 @@
use std::{fs::read_to_string, path::Path};
use super::AocSolution;
use crate::utils::Result;
fn is_safe(levels: &[i32]) -> bool {
let dec = levels[0] > levels[1];
@ -35,16 +32,10 @@ pub struct AocDayTwoSolution;
impl AocSolution for AocDayTwoSolution {
type Output = u64;
const INPUT: &str = include_str!("../../input/day2.txt");
fn get_input(&self, path: Option<&Path>) -> Result<String> {
Ok(match path {
Some(p) => read_to_string(p)?,
None => read_to_string("./input/day_2.txt")?,
})
}
fn part_one(&self, input: &str) -> Result<Self::Output> {
Ok(input
fn part_one(&self) -> Self::Output {
Self::INPUT
.lines()
.map(|n| {
n.split_whitespace()
@ -52,11 +43,11 @@ impl AocSolution for AocDayTwoSolution {
.collect::<Vec<_>>()
})
.filter(|s| is_safe(s))
.count() as u64)
.count() as u64
}
fn part_two(&self, input: &str) -> Result<Self::Output> {
Ok(input
fn part_two(&self) -> Self::Output {
Self::INPUT
.lines()
.map(|n| {
n.split_whitespace()
@ -64,6 +55,6 @@ impl AocSolution for AocDayTwoSolution {
.collect::<Vec<_>>()
})
.filter(|s| is_safe(s) || is_safe_with_rem(s))
.count() as u64)
.count() as u64
}
}

1
src/solutions/day_20.rs
View file

@ -1 +0,0 @@
pub struct AocDayTwentySolution;

1
src/solutions/day_21.rs
View file

@ -1 +0,0 @@
pub struct AocDayTwentyOneSolution;

1
src/solutions/day_22.rs
View file

@ -1 +0,0 @@
pub struct AocDayTwentyTwoSolution;

1
src/solutions/day_23.rs
View file

@ -1 +0,0 @@
pub struct AocDayTwentyThreeSolution;

1
src/solutions/day_24.rs
View file

@ -1 +0,0 @@
pub struct AocDayTwentyFourSolution;

1
src/solutions/day_25.rs
View file

@ -1 +0,0 @@
pub struct AocDayTwentyFiveSolution;

26
src/solutions/day_3.rs
View file

@ -1,9 +1,8 @@
use std::{fs::read_to_string, path::Path, sync::LazyLock};
use std::sync::LazyLock;
use regex::Regex;
use super::AocSolution;
use crate::utils::Result;
static MUL: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"mul\([0-9]{1,3},[0-9]{1,3}\)").unwrap());
@ -25,21 +24,18 @@ pub struct AocDayThreeSolution;
impl AocSolution for AocDayThreeSolution {
type Output = u64;
const INPUT: &str = include_str!("../../input/day3.txt");
fn get_input(&self, path: Option<&Path>) -> Result<String> {
Ok(match path {
Some(p) => read_to_string(p)?,
None => read_to_string("./input/day_3.txt")?,
})
fn part_one(&self) -> Self::Output {
MUL.find_iter(Self::INPUT)
.map(|x| x.as_str())
.map(as_mul)
.sum()
}
fn part_one(&self, input: &str) -> Result<Self::Output> {
Ok(MUL.find_iter(input).map(|x| x.as_str()).map(as_mul).sum())
}
fn part_two(&self, input: &str) -> Result<Self::Output> {
Ok(COND_MUL
.find_iter(input)
fn part_two(&self) -> Self::Output {
COND_MUL
.find_iter(Self::INPUT)
.map(|x| x.as_str())
.fold((0, true), |(sum, flag), cut| {
if cut.starts_with("mul") && flag {
@ -50,6 +46,6 @@ impl AocSolution for AocDayThreeSolution {
(sum, false)
}
})
.0)
.0
}
}

25
src/solutions/day_4.rs
View file

@ -1,7 +1,6 @@
use std::{collections::HashMap, fs::read_to_string, path::Path};
use std::collections::HashMap;
use super::AocSolution;
use crate::utils::Result;
const DIRS: [(i16, i16); 8] = [
(1, 0),
@ -74,17 +73,11 @@ impl XmasGrid {
pub struct AocDayFourSolution;
impl AocSolution for AocDayFourSolution {
type Output = u64;
type Output = usize;
const INPUT: &str = include_str!("../../input/day4.txt");
fn get_input(&self, path: Option<&Path>) -> Result<String> {
Ok(match path {
Some(p) => read_to_string(p)?,
None => read_to_string("./input/day_4.txt")?,
})
}
fn part_one(&self, input: &str) -> Result<Self::Output> {
let xmas = XmasGrid::new(input);
fn part_one(&self) -> Self::Output {
let xmas = XmasGrid::new(Self::INPUT);
let mut tmp = 0;
xmas.grid
@ -94,11 +87,11 @@ impl AocSolution for AocDayFourSolution {
tmp += xmas.find_xmas(pt);
});
Ok(tmp as Self::Output)
tmp as Self::Output
}
fn part_two(&self, input: &str) -> Result<Self::Output> {
let xmas = XmasGrid::new(input);
fn part_two(&self) -> Self::Output {
let xmas = XmasGrid::new(Self::INPUT);
let mut tmp = 0;
xmas.grid
@ -108,6 +101,6 @@ impl AocSolution for AocDayFourSolution {
tmp += xmas.find_x_mas(pt);
});
Ok(tmp as Self::Output)
tmp as Self::Output
}
}

23
src/solutions/day_5.rs
View file

@ -1,7 +1,6 @@
use std::{cmp::Ordering, collections::HashMap, fs::read_to_string, path::Path};
use std::{cmp::Ordering, collections::HashMap};
use super::AocSolution;
use crate::utils::{Error, Result};
#[derive(Debug)]
struct RuleChecker {
@ -77,23 +76,17 @@ pub struct AocDayFiveSolution;
impl AocSolution for AocDayFiveSolution {
type Output = u64;
const INPUT: &str = include_str!("../../input/day5.txt");
fn get_input(&self, path: Option<&Path>) -> Result<String> {
Ok(match path {
Some(p) => read_to_string(p)?,
None => read_to_string("./input/day_5.txt")?,
})
}
fn part_one(&self, input: &str) -> Result<Self::Output> {
let (rules, prints) = input.split_once("\r\n\r\n").ok_or(Error::InvalidInput)?;
fn part_one(&self) -> Self::Output {
let (rules, prints) = Self::INPUT.split_once("\r\n\r\n").unwrap_or(("", ""));
let checker = RuleChecker::new(rules, prints);
Ok(checker.compute_validated_print())
checker.compute_validated_print()
}
fn part_two(&self, input: &str) -> Result<Self::Output> {
let (rules, prints) = input.split_once("\r\n\r\n").ok_or(Error::InvalidInput)?;
fn part_two(&self) -> Self::Output {
let (rules, prints) = Self::INPUT.split_once("\r\n\r\n").unwrap_or(("", ""));
let mut checker = RuleChecker::new(rules, prints);
Ok(checker.compute_invalid_print())
checker.compute_invalid_print()
}
}

1
src/solutions/day_6.rs
View file

@ -1 +0,0 @@
pub struct AocDaySixSolution;

1
src/solutions/day_7.rs
View file

@ -1 +0,0 @@
pub struct AocDaySevenSolution;

1
src/solutions/day_8.rs
View file

@ -1 +0,0 @@
pub struct AocDayEightSolution;

1
src/solutions/day_9.rs
View file

@ -1 +0,0 @@
pub struct AocDayNineSolution;

12
src/solutions/mod.rs
View file

@ -1,10 +1,6 @@
use std::path::Path;
use crate::utils::Result;
macro_rules! define_solution {
($($id:ident),+ $(,)?) => {
$(mod $id; pub use $id::*;)+
$(pub mod $id;)+
};
}
@ -15,8 +11,8 @@ define_solution!(
pub trait AocSolution {
type Output;
const INPUT: &str;
fn get_input(&self, path: Option<&Path>) -> Result<String>;
fn part_one(&self, input: &str) -> Result<Self::Output>;
fn part_two(&self, input: &str) -> Result<Self::Output>;
fn part_one(&self) -> Self::Output;
fn part_two(&self) -> Self::Output;
}

13
src/utils/macros.rs
View file

@ -1,13 +0,0 @@
#[macro_export]
macro_rules! map_solution {
($cli:ident : $($day:expr => $sol:expr,)+ $(,)?) => {
match $cli .day {
$($day => {
let sol = $sol;
let input = sol.get_input($cli.input.as_deref())?;
println!("\tp1: {}\n\tp2: {}", sol.part_one(&input)?, sol.part_two(&input)?);
},)+
_ => return Err(Error::UnsupportedDay),
}
};
}

15
src/utils/mod.rs
View file

@ -1,16 +1 @@
#[macro_use]
pub mod macros;
pub type Result<T> = std::result::Result<T, Error>;
#[derive(thiserror::Error, Debug)]
pub enum Error {
#[error("IO error: {0}")]
Io(#[from] std::io::Error),
#[error("Invalid command usage: {0}")]
ClapError(#[from] clap::Error),
#[error("Invalid input.")]
InvalidInput,
#[error("Unsupported day.")]
UnsupportedDay,
}