.gitignore

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

2023/01-trebuchet/src/main.rs

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

2023/02-cube-conundrum/Cargo.toml

@@ -1,8 +0,0 @@
-[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

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

2023/03-gear-ratios/Cargo.toml

@@ -1,8 +0,0 @@
-[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

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

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

@@ -1,145 +0,0 @@
-use std::fs::File;
-use std::io::{self, BufRead};
-use std::path::Path;
-
-enum Engine {
-    Symbol(char),
-    Number(u32),
-    Empty,
-}
-
-pub fn part_one() {
-    if let Ok(lines) = read_lines("./input.txt") {
-        let matrix = create_matrix(lines);
-        let result = process_matrix(&matrix);
-
-        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();
-
-    for (i, line) in lines.enumerate() {
-        matrix.push(Vec::new());
-
-        let line = line.unwrap();
-
-        for ch in line.chars() {
-            if ch == '.' {
-                matrix[i].push(Engine::Empty);
-            } else if ch.is_digit(10) {
-                matrix[i].push(Engine::Number(ch.to_digit(10).unwrap()));
-            } else {
-                matrix[i].push(Engine::Symbol(ch));
-            }
-        }
-    }
-
-    return matrix;
-}
-
-fn process_matrix(matrix: &Vec<Vec<Engine>>) -> u32 {
-    let mut result = 0;
-
-    for i in 0..matrix.len() {
-        let mut is_num = false;
-        let mut num = 0;
-        let mut found_symbol = false;
-
-        for j in 0..matrix[i].len() {
-            match matrix[i][j] {
-                Engine::Number(value) => {
-                    if !found_symbol {
-                        found_symbol = check_symbol(&matrix, i, j);
-                    }
-
-                    if is_num {
-                        num = num * 10 + value;
-                    } else {
-                        num = value;
-                    }
-
-                    is_num = true;
-                }
-                _ => {
-                    if is_num && found_symbol {
-                        result += num;
-                    }
-
-                    is_num = false;
-                    found_symbol = false;
-                    num = 0;
-                }
-            }
-        }
-
-        if is_num && found_symbol {
-            result += num;
-        }
-    }
-
-    return result;
-}
-
-fn check_symbol(matrix: &Vec<Vec<Engine>>, x: usize, y: usize) -> bool {
-    // There's probably a better way
-
-    if x > 0 {
-        if let Engine::Symbol(_) = matrix[x - 1][y] {
-            return true;
-        }
-
-        if y > 0 {
-            if let Engine::Symbol(_) = matrix[x - 1][y - 1] {
-                return true;
-            }
-        }
-
-        if y < matrix[x - 1].len() - 1 {
-            if let Engine::Symbol(_) = matrix[x - 1][y + 1] {
-                return true;
-            }
-        }
-    }
-
-    if y > 0 {
-        if let Engine::Symbol(_) = matrix[x][y - 1] {
-            return true;
-        }
-    }
-
-    if y < matrix[x].len() - 1 {
-        if let Engine::Symbol(_) = matrix[x][y + 1] {
-            return true;
-        }
-    }
-
-    if x < matrix.len() - 1 {
-        if let Engine::Symbol(_) = matrix[x + 1][y] {
-            return true;
-        }
-
-        if y > 0 {
-            if let Engine::Symbol(_) = matrix[x + 1][y - 1] {
-                return true;
-            }
-        }
-
-        if y < matrix[x + 1].len() - 1 {
-            if let Engine::Symbol(_) = matrix[x + 1][y + 1] {
-                return true;
-            }
-        }
-    }
-
-    return false;
-}

2023/04-scratchcards/Cargo.toml

@@ -1,8 +0,0 @@
-[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

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

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

@@ -1,8 +0,0 @@
-[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

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

Cargo.toml

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

src/2023/03-gear-ratios/input.txt

@@ -0,0 +1,140 @@
+......644............612.......254..638..............802.................................118.....................................317.691....
+.....*......321..176....+........&...=...906........*.......=518................994..938.*.....579....35....155...........320...........$...
+...939.@225........*......................$........41......................./.....+......102....*.....*...............603....*.413=.........
+............470.128...288...+......442-.......191.....%....&........360....218...............916.....552.171..747.51......111...............
+.........................*.176...........62%...*......715.831.........*.........937....782...............*...*..../..............645........
+.688.......469&...=....284.....................49................318..182..............-........200......480.182....257...........%.........
+...*....#..........197..........611....................#..159.71.*......../947..............190....................=....33..158......252....
+....537.900......................*......404%.........172......*.....+741...................*..................299......*.......*............
+...............908.............354............#............15..881....................@.939...................+.....286...945..767..........
+...........749....*...811..........*667......257.+309.477-.*..............212......746.........275*.............264......*..........720.....
+.....-827.*....279....*.........319........................257.150.118.....#.......................979...377...%..........167......*.....793
+...........197.....298.....782.................................-.......87......534.......182+.....................................546...*...
+...............................756....@............609................./..363.*..............................459....77................450...
+....255.........................$......324.........-..............@...........486...191......947...........................$161..218........
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+.................839..........................=....528...................-.........785............626....*.......*.....850-.................
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+.....%..............#...................404.................&...........*..255.317..-..991......126............$.*..........704.788.....*...
+.....992.....*979.................264...*..........@...........242#..171....*......888......35.......39......978.955....25/.........%.256...
+..........760............904..155../..492...........306...................456...............=.......+............................694........
+................158.............@.........@..115................*922..651.................................................#.............297.
+...677....46....*..........573......243.595....*....446......121...........748.868....................835.........621..-...300...22.........
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+.140.....218......17..........246.................705...............@......445.......471......*......-........623...326.....................
+...=.126.........*.......411........979.630.............81.419...131.......................241........660...................................
+.....*........540..*..........858@....*.*.................*....................................733.56......816..........243....984......=...
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+..527..843...906..511.........$....698.*..........39......692&...............158$......912..............168............645...............264
+...&.........=..........152....849...*.667............365.........%.69*...............*......955...................................568......
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+446.....................$.................................*.....................*...#..../........@...544.........*.........*980...872......
+...*.........960=.....609...372..516....797*652...179......337.........*864..457..315.....207..............177..666.........................
+.456..283..................*.......................*...51...........798.....................................#...........796.880.............
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+.....704..48.407...864.........718..........606.......375.....%....$...........*...818.@...621..=....769*.....522.375...585..............389
+.746.....*................$.............&.....*..................225......=........*...887..................................................
+....../...67..............429...........569....355..58#.550.299......676.904.......29........787.817....@.....*....940........537....*......
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+..506............................-..../....=.......147.44.*...$............=......177..............539...............384......743.......24..
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+........................313............444....................................662..........................956.....714...................935

src/2023/03-gear-ratios/input_test.txt

@@ -0,0 +1,10 @@
+467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598..

src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}