.gitignore

@@ -12,7 +12,3 @@ Cargo.lock
 
 # MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
-
-# Added by cargo
-
-/target

.vscode/settings.json

@@ -1,6 +0,0 @@
-{
-    "rust-analyzer.linkedProjects": [
-        "./Cargo.toml",
-        "./Cargo.toml"
-    ]
-}

2023/01-trebuchet/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "advent-of-code"
+name = "trebuchet"
 version = "0.1.0"
 edition = "2021"
 

2023/01-trebuchet/src/main.rs

@@ -0,0 +1,7 @@
+mod part_one;
+mod part_two;
+
+fn main() {
+    //part_one::part_one();
+    part_two::part_two();
+}

2023/01-trebuchet/src/part_one.rs

@@ -1,19 +1,28 @@
-use crate::utils::input_reader;
+// https://doc.rust-lang.org/stable/rust-by-example/std_misc/file/read_lines.html
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
 
-pub fn part_one() -> String {
-    if let Ok(lines) = input_reader::read_lines("./input/2023/day_01/input.txt") {
+pub fn part_one() {
+    if let Ok(lines) = read_lines("./input.txt") {
         let mut result = 0;
 
         for line in lines {
             result += parse_line(&line.unwrap());
         }
 
-        result.to_string()
-    } else {
-        panic!("Failed to read lines from input file");
+        println!("{}", result);
     }
 }
 
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}
+
 fn parse_line(s: &str) -> u32 {
     const RADIX: u32 = 10;
 

2023/01-trebuchet/src/part_two.rs

@@ -1,21 +1,27 @@
 use std::collections::HashMap;
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
 
-use crate::utils::input_reader;
-
-pub fn part_two() -> String {
-    if let Ok(lines) = input_reader::read_lines("./input/2023/day_01/input.txt") {
+pub fn part_two() {
+    if let Ok(lines) = read_lines("./input.txt") {
         let mut result = 0;
 
         for line in lines {
             result += parse_line(&line.unwrap());
         }
 
-        result.to_string()
-    } else {
-        panic!("Failed to read lines from input file");
+        println!("{}", result);
     }
 }
 
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}
 
 fn parse_line(s: &str) -> u32 {
     const RADIX: u32 = 10;

2023/02-cube-conundrum/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "cube-conundrum"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

2023/02-cube-conundrum/src/main.rs

@@ -0,0 +1,7 @@
+mod part_one;
+mod part_two;
+
+fn main() {
+    //part_one::part_one();
+    part_two::part_two();
+}

2023/02-cube-conundrum/src/part_one.rs

@@ -1,19 +1,27 @@
-use crate::utils::input_reader;
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
 
-pub fn part_one() -> String{
-    if let Ok(lines) = input_reader::read_lines("./input/2023/day_02/input.txt") {
+pub fn part_one() {
+    if let Ok(lines) = read_lines("./input.txt") {
         let mut result = 0;
 
         for line in lines {
             result += process_line(&line.unwrap());
         }
 
-        result.to_string()
-    } else {
-        panic!("Failed to read lines from input file");
+        println!("{}", result);
     }
 }
 
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}
+
 fn process_line(s: &str) -> u32 {
     let v: Vec<&str> = s.split(':').collect();
 

2023/02-cube-conundrum/src/part_two.rs

@@ -1,6 +1,7 @@
 use std::cmp::max;
-
-use crate::utils::input_reader;
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
 
 struct Game {
     red: u32,
@@ -8,29 +9,32 @@ struct Game {
     blue: u32,
 }
 
-pub fn part_two() -> String {
-    if let Ok(lines) = input_reader::read_lines("./input/2023/day_02/input.txt") {
+pub fn part_two() {
+    if let Ok(lines) = read_lines("./input.txt") {
         let mut result = 0;
 
         for line in lines {
             result += process_line(&line.unwrap());
         }
 
-        result.to_string()
-    } else {
-        panic!("Failed to read lines from input file");
+        println!("{}", result);
     }
 }
 
-
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}
 
 fn process_line(s: &str) -> u32 {
     let v: Vec<&str> = s.split(':').collect();
 
-    v[0].split("Game ").collect::<Vec<&str>>()[1]
+    let game_id: u32 = v[0].split("Game ").collect::<Vec<&str>>()[1]
         .parse::<u32>()
         .unwrap();
-    
     let games: Vec<&str> = v[1].split(';').collect();
 
     let mut min_game = Game {

2023/03-gear-ratios/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "gear-ratios"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

2023/03-gear-ratios/src/main.rs

@@ -0,0 +1,7 @@
+mod part_one;
+//mod part_two;
+
+fn main() {
+    part_one::part_one();
+    //part_two::part_two();
+}

2023/03-gear-ratios/src/part_one.rs

@@ -1,6 +1,6 @@
-use std::{fs::File, io};
-
-use crate::utils::input_reader;
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
 
 enum Engine {
     Symbol(char),
@@ -8,17 +8,22 @@ enum Engine {
     Empty,
 }
 
-pub fn part_one() -> String {
-    if let Ok(lines) = input_reader::read_lines("./input/2023/day_03/input.txt") {
+pub fn part_one() {
+    if let Ok(lines) = read_lines("./input.txt") {
         let matrix = create_matrix(lines);
         let result = process_matrix(&matrix);
 
-        result.to_string()
-    } else {
-        panic!("Failed to read lines from input file");
+        println!("{}", result);
     }
 }
 
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}
 
 fn create_matrix(lines: io::Lines<io::BufReader<File>>) -> Vec<Vec<Engine>> {
     let mut matrix: Vec<Vec<Engine>> = Vec::new();

2023/04-scratchcards/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "scratchcards"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

2023/04-scratchcards/src/main.rs

@@ -0,0 +1,5 @@
+mod part_one;
+
+fn main() {
+    part_one::part_one();
+}

2023/04-scratchcards/src/part_one.rs

@@ -1,18 +1,17 @@
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
 use std::collections::HashSet;
 
-use crate::utils::input_reader;
-
-pub fn part_one() -> String {
-    if let Ok(lines) = input_reader::read_lines("./input/2023/day_04/input.txt") {
+pub fn part_one() {
+    if let Ok(lines) = read_lines("./input.txt") {
         let mut result = 0;
 
         for line in lines {
             result += process_line(&line.unwrap());
         }
 
-        result.to_string()
-    } else {
-        panic!("Failed to read lines from input file");
+        println!("{}", result);
     }
 }
 
@@ -47,3 +46,10 @@ fn process_line(s: &str) -> u32 {
 }
 
 
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}

2023/06-wait-for-it/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "wait-for-it"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

2023/06-wait-for-it/src/main.rs

@@ -0,0 +1,7 @@
+//mod part_one;
+mod part_two;
+
+fn main() {
+    //part_one::part_one();
+    part_two::part_two();
+}

2023/06-wait-for-it/src/part_one.rs

@@ -1,7 +1,9 @@
-use crate::utils::input_reader;
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
 
-pub fn part_one() -> String {
-    if let Ok(lines) = input_reader::read_lines("./input/2023/day_06/input.txt") {
+pub fn part_one() {
+    if let Ok(lines) = read_lines("./input.txt") {
         let mut margin = 1;
 
         let mut race_results: Vec<Vec<u32>> = Vec::new();
@@ -14,9 +16,7 @@ pub fn part_one() -> String {
             margin *= process_race_result(race_results[0][i], race_results[1][i]);
         }
 
-        margin.to_string()
-    } else {
-        panic!("Failed to read lines from input file");
+        println!("{:?}", margin);
     }
 }
 
@@ -41,4 +41,10 @@ fn process_race_result(time: u32, distance: u32) -> u32 {
     return win_count;
 }
 
-
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}

2023/06-wait-for-it/src/part_two.rs

@@ -1,7 +1,9 @@
-use crate::utils::input_reader;
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
 
-pub fn part_two() -> String {
-    if let Ok(lines) = input_reader::read_lines("./input/2023/day_06/input.txt") {
+pub fn part_two() {
+    if let Ok(lines) = read_lines("./input.txt") {
         let mut race_result: Vec<u64> = Vec::new();
 
         for line in lines {
@@ -10,9 +12,7 @@ pub fn part_two() -> String {
 
         let win_count = process_race_result(race_result[0], race_result[1]);
 
-        win_count.to_string()
-    } else {
-        panic!("Failed to read lines from input file");
+        println!("{:?}", win_count);
     }
 }
 
@@ -38,4 +38,10 @@ fn process_race_result(time: u64, distance: u64) -> u64 {
     return win_count;
 }
 
-
+fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+    P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}

src/main.rs

@@ -1,21 +0,0 @@
-mod utils;
-use std::env;
-
-mod year_2023;
-
-fn main() {
-    // Parse command-line arguments
-    let args: Vec<String> = env::args().collect();
-
-    if args.len() != 3 {
-        panic!("Usage: {} <year> <day>", args[0]);
-    }
-
-    let year = &args[1];
-    let day = &args[2];
-
-    match year.as_str() {
-        "2023" => year_2023::run(day),
-        _ => panic!("Invalid year specified"),
-    };
-}

src/utils/input_reader.rs

@@ -1,13 +0,0 @@
-// https://doc.rust-lang.org/stable/rust-by-example/std_misc/file/read_lines.html
-use std::fs::File;
-use std::io::{self, BufRead};
-use std::path::Path;
-
-
-pub fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
-where
-    P: AsRef<Path>,
-{
-    let file = File::open(filename)?;
-    Ok(io::BufReader::new(file).lines())
-}

src/utils/mod.rs

@@ -1,2 +0,0 @@
-pub mod input_reader;
-pub mod solution;

src/utils/solution.rs

@@ -1,4 +0,0 @@
-pub trait Solution {
-    fn part_one(&self) -> String;
-    fn part_two(&self) -> String;
-}

src/year_2023/day_01_trebuchet/mod.rs

@@ -1,20 +0,0 @@
-pub mod part_one;
-pub mod part_two;
-
-use crate::utils::solution::Solution;
-
-pub struct Day1Solution;
-
-impl Solution for Day1Solution {
-    fn part_one(&self) -> String{
-        // Implementation for part one of day 1
-        // ...
-        part_one::part_one()
-    }
-
-    fn part_two(&self) -> String {
-        // Implementation for part two of day 1
-        // ...
-        part_two::part_two()
-    }
-}

src/year_2023/day_02_cube_conundrum/mod.rs

@@ -1,20 +0,0 @@
-pub mod part_one;
-pub mod part_two;
-
-use crate::utils::solution::Solution;
-
-pub struct Day2Solution;
-
-impl Solution for Day2Solution {
-    fn part_one(&self) -> String{
-        // Implementation for part one of day 1
-        // ...
-        part_one::part_one()
-    }
-
-    fn part_two(&self) -> String {
-        // Implementation for part two of day 1
-        // ...
-        part_two::part_two()
-    }
-}

src/year_2023/day_03_gear_ratios/mod.rs

@@ -1,20 +0,0 @@
-pub mod part_one;
-
-
-use crate::utils::solution::Solution;
-
-pub struct Day3Solution;
-
-impl Solution for Day3Solution {
-    fn part_one(&self) -> String{
-        // Implementation for part one of day 1
-        // ...
-        part_one::part_one()
-    }
-
-    fn part_two(&self) -> String {
-        // Implementation for part two of day 1
-        // ...
-        String::from("Not implemented")
-    }
-}

src/year_2023/day_04_scratchcards/mod.rs

@@ -1,20 +0,0 @@
-pub mod part_one;
-
-
-use crate::utils::solution::Solution;
-
-pub struct Day4Solution;
-
-impl Solution for Day4Solution {
-    fn part_one(&self) -> String{
-        // Implementation for part one of day 1
-        // ...
-        part_one::part_one()
-    }
-
-    fn part_two(&self) -> String {
-        // Implementation for part two of day 1
-        // ...
-        String::from("Not implemented")
-    }
-}

src/year_2023/day_06_wait_for_it/mod.rs

@@ -1,21 +0,0 @@
-pub mod part_one;
-pub mod part_two;
-
-
-use crate::utils::solution::Solution;
-
-pub struct Day6Solution;
-
-impl Solution for Day6Solution {
-    fn part_one(&self) -> String{
-        // Implementation for part one of day 1
-        // ...
-        part_one::part_one()
-    }
-
-    fn part_two(&self) -> String {
-        // Implementation for part two of day 1
-        // ...
-        part_two::part_two()
-    }
-}

src/year_2023/mod.rs

@@ -1,22 +0,0 @@
-use crate::utils::solution::Solution;
-
-pub mod day_01_trebuchet;
-pub mod day_02_cube_conundrum;
-pub mod day_03_gear_ratios;
-pub mod day_04_scratchcards;
-pub mod day_06_wait_for_it;
-
-pub fn run(day: &str) {
-    let solution: Box<dyn Solution> = match day {
-        "1" => Box::new(day_01_trebuchet::Day1Solution),
-        "2" => Box::new(day_02_cube_conundrum::Day2Solution),
-        "3" => Box::new(day_03_gear_ratios::Day3Solution),
-        "4" => Box::new(day_04_scratchcards::Day4Solution),
-        "6" => Box::new(day_06_wait_for_it::Day6Solution),
-        _ => panic!("Invalid day specified"),
-    };
-
-    // Call part_one and part_two on the solution instance
-    println!("Part One Result: {}", solution.part_one());
-    println!("Part Two Result: {}", solution.part_two());
-}