clean up: autoformat

src/common/input.rs

@@ -4,13 +4,12 @@ use std::path::Path;
 
 pub fn read_file(name: &str) -> String {
     let path = Path::new("src").join(name).join("input.txt");
-    let mut file = File::open(&path)
+    let mut file = File::open(&path).expect(&format!("Unable to open input for '{name}'."));
-        .expect(&format!("Unable to open input for '{name}'."));
+
-    
     let mut contents = String::new();
     file.read_to_string(&mut contents)
         .expect(&format!("Unable to read input for '{name}'."));
-    
+
     contents
 }
 
@@ -23,6 +22,6 @@ pub fn read_stdin() -> String {
     io::stdin()
         .read_line(&mut input)
         .expect("Failed to read line!");
-    
+
     input
 }

src/common/vectorize.rs

@@ -8,23 +8,22 @@ pub fn split_lines(input: &str) -> Vec<String> {
         .collect()
 }
 
-pub fn split_input(entry: &str, re: &str) -> Vec<String> {
+pub fn match_input(entry: &str, re: &str) -> Vec<String> {
-    let regex = Regex::new(re)
+    let regex = Regex::new(re).expect("Invalid regex provided!");
-        .expect("Invalid regex");
+
-    
+    let matches: Vec<String> = regex
-    let split: Vec<String> = regex
+        .find_iter(entry)
-        .split(entry)
+        .map(|m| m.as_str().to_string())
-        .map(|s| s.to_string())
         .collect();
-    
+
-    split
+    matches
 }
 
-pub fn split_inputs(input: Vec<String>, re: &str) -> Vec<Vec<String>> {
+pub fn match_inputs(input: Vec<String>, re: &str) -> Vec<Vec<String>> {
     let mut result = Vec::new();
 
     for entry in input {
-        let split = split_input(&entry, re);
+        let split = match_input(&entry, re);
         result.push(split);
     }
 
@@ -35,13 +34,13 @@ pub fn convert_num(input: Vec<Vec<String>>) -> Vec<Vec<i32>> {
     input
         .into_iter()
         .map(|a| {
-            a
+            a.into_iter()
-                .into_iter()
                 .map(|b| {
-                    b
+                    b.trim()
-                        .trim()
+                        .parse::<i32>()
-                      .parse::<i32>()
                         .expect("Invalid numeric value in input!")
-                }).collect()
+                })
-        }).collect()
+                .collect()
+        })
+        .collect()
 }

src/day09/mod.rs

@@ -1,4 +1,4 @@
-use crate::common::{convert_num, read_file, split_inputs, split_lines};
+use crate::common::{convert_num, match_inputs, read_file, split_lines};
 
 #[allow(dead_code)]
 pub fn part_two() {
@@ -18,85 +18,48 @@ fn predict(forward: bool) {
             let current = s.to_vec();
             let mut next = extra_diff(current);
             expand(&mut next, forward);
-            let history = next
+            let history = next.first().unwrap();
-                .first()
+
-                .unwrap();
-            
             if forward {
-                history
+                history.last().unwrap().clone()
-                    .last()
-                    .unwrap()
-                    .clone()
             } else {
-                history
+                history.first().unwrap().clone()
-                    .first()
-                    .unwrap()
-                    .clone()
             }
         })
         .collect();
-    
+
-    let sum: i32 = predictions
+    let sum: i32 = predictions.iter().sum();
-        .iter()
-        .sum();
 
     println!("The sum of all prediction values is: '{sum}'.");
 }
 
 fn expand(strct: &mut Vec<Vec<i32>>, forward: bool) {
-    let last = strct
+    let last = strct.last_mut().unwrap();
-        .last_mut()
+    last.push(*last.last().unwrap());
-        .unwrap();
-    last.push(*last
-        .last()
-        .unwrap()
-    );
 
     for i in (0..strct.len() - 1).rev() {
-        let last = strct
+        let last = strct.get(i + 1).unwrap().clone();
-            .get(i + 1)
+        let current = strct.get_mut(i).unwrap();
-            .unwrap()
-            .clone();
-        let current = strct
-            .get_mut(i)
-            .unwrap();
-        
 
         if forward {
-            current.push(
+            current.push(current.last().unwrap().clone() + last.last().unwrap().clone());
-                current
-                    .last()
-                    .unwrap()
-                    .clone() +
-                last
-                    .last()
-                    .unwrap()
-                    .clone()
-            );
         } else {
             current.insert(
                 0,
-                current
+                current.first().unwrap().clone() - last.first().unwrap().clone(),
-                    .first()
-                    .unwrap()
-                    .clone() -
-                last
-                    .first()
-                    .unwrap()
-                    .clone()
             );
         }
     }
 }
 
 fn extra_diff(seq: Vec<i32>) -> Vec<Vec<i32>> {
-    let mut structure = vec![seq]; 
+    let mut structure = vec![seq];
     let mut index = 0;
 
     loop {
         let current = &structure[index];
         let diff = seq_diff(current.to_vec());
-        
+
         if diff.iter().all(|&n| n == 0) {
             break structure;
         }
@@ -119,9 +82,9 @@ fn seq_diff(seq: Vec<i32>) -> Vec<i32> {
 fn setup() -> Vec<Vec<i32>> {
     let name = "day09";
     println!("Executing module '{name}' entrypoint . . . ");
-    
+
     let content = read_file(name);
     let lines = split_lines(&content);
-    let input = split_inputs(lines, &r"\s+");
+    let input = match_inputs(lines, &r"\s*-?\d+\s*");
     convert_num(input)
 }

src/day11/input.txt

@@ -0,0 +1,140 @@
+..#............................#....................................................................................#..........#........#...
+..........#.........................................#.......................................................................................
+...................#..........................................................................#.............................................
+.....................................................................................#.............................................#........
+.......#.......#.............#..........#......#...................#.....#..................................................................
+................................................................................#..................#..............#.........................
+....................................#.......................................................................................................
+...........#...................................................................................#......................................#.....
+.......................................................................................................................#.........#..........
+.....................#.................................................#...................#.................#..............#...............
+....#...........................................#...............#...........................................................................
+.........................#.......................................................................#..........................................
+...................................#......................#.......................................................#.......................#.
+..................#...........................................................#.......................#.................#...........#.......
+..........#........................................................#..........................................#.............................
+.............................................#.........#.....#..............................................................................
+.......................#.....................................................................#..............................#..........#....
+.............................#.......................................................#...........................#..........................
+..#...........#.......................#.....................................#...............................................................
+...........................................................#.............................................#..................................
+......#..........................................................#......#........................................................#..........
+................................#.........#...........#....................................#........#...................#..................#
+...........................#..................................................#..............................#..............................
+..............................................#.................................................#...........................................
+.#.................................................................................................................#........................
+.......................................................................#....................................................................
+...............#.............................................................................................................#..........#...
+.................................#.............................#............................................#...............................
+.....#.................#...................#................................................................................................
+....................................................#...................................................#............#......................
+...........#.....#...................................................................#............................................#.........
+..............................................#...........................................................................#.................
+...#.........................#.....................................................................#........................................
+.........................................................#...................................#........................................#.....
+.........#....................................................#........#................#.....................#.............................
+........................#..........................................................................................#........................
+..............#...................................#............................#.............................................#.....#........
+.................................#................................................................#.........................................
+..................#........................#...............#................................#.............#.............................#...
+..........#........................................................#............................................................#...........
+..#.....................................................................................#.............................#.....................
+..........................#..........#..................................#......................................#...........#................
+................................................................#...........................................................................
+................#................................#..........................#...............................................................
+...........................................#..................................................#.....#.......#...............................
+..........#............................................#.....................................................................#..............
+.......................#....................................#...........................................................#..............#....
+.....#.........................#........#..............................................#.................#........................#.........
+.................#....................................................#............................................#........................
+....................................#...............#................................................#......................................
+.........................#........................................#................#.......#...................#............................
+....................................................................................................................................#.......
+...........#...................................#...........................#......................#.........................#..............#
+..................................#......#..................................................................................................
+......#....................#.........................#..................................................#...................................
+......................#...................................#......#.....#.................................................#..................
+..............#..............................................................................#.................#.....................#......
+............................................................................................................................................
+#.............................#................#....................................................................#....................#..
+............................................................................................................................................
+........#...........................................#.......................................................................................
+...................................................................#..........#..................#..........................................
+.....................#............#........#.............................................#............#................#....................
+................#............................................................................................................#..............
+...............................................................................................................#...................#........
+........................#......#..........................#.....#......#................................................................#...
+................................................#..........................................#.............#..................................
+......................................#..............................................................................#......................
+..#.................................................................#.........#.............................................................
+..........#.....#...............................................................................................#...........#...............
+.................................#....................................................................#..............................#......
+.....................................................#........................................#........................#....................
+..........................................#..................#............#.................................................................
+......................#...............................................................#..................#.........#............#...........
+......#........................................................................#............................................................
+...................................#...................................#..................................................#.................
+...................................................#.........................................#.................#............................
+...........................#...................................#.....................................................................#......
+........................................#...................................................................................................
+................#......................................#........................#.........#.....#...........................................
+...........#......................#.....................................................................#...................................
+....#....................#...................#...................#................................................#...........#...........#.
+............................................................................................................................................
+............................................................................................................................................
+.....................................#....................................#.................................................................
+.......................#..................#........#............................#................#.............#............................
+...............#...............................................#......................#..............................................#......
+............................................................................................................................................
+.................................#...........#.....................#....................................................#...................
+............................................................................................................................................
+..#........#..........#...............#..................................................................#..........#......................#
+............................................................#............................#..................................................
+.................................................................#..........#.................................#.................#...........
+.............................#......................#.......................................................................................
+....#..................................................................................................................................#....
+...................#...............#..................................................#....................#................................
+.........................................................#......................................#...................#..............#........
+.....................................................................#...................................................#..................
+........................#...................................................................#..................#............................
+...#.....#...............................#....................#.............................................................................
+................#...............#...........................................................................................................
+.....................#........................................................#.....................................................#.......
+..............................................#.......#................#...............................................#...................#
+.........................................................................................#...............#...................#..............
+.#...........................#.......#......................................................................................................
+.............................................................................................................#........................#.....
+.................................#..........................................................................................................
+...........#........................................................................................#.............................#.........
+................#...............................................#............................#...................#..........................
+...#............................................................................#...........................................................
+....................................................#.......#.......#......#...........................................................#....
+.........................#..................................................................................................................
+....................#...............#.........................................................................................#.............
+.........................................................#....................#......................#......................................
+....#........................#...............#........................#...............#.....................................................
+..........#......#....................................................................................................................#.....
+..............................................................................................#...................#.........................
+.......................................................#...................................................#.................#..............
+..........................#....................#............................................................................................
+........................................#......................#.........#...............#.......#......................#.........#.....#...
+...............................#....................................#.......................................................................
+........#...........#.............................#.........................................................................................
+...#...........#...................................................................#..................#............#........................
+...........................#..............................#...................................#.............................................
+...................................#.............................#..........................................#...............................
+..............................................#........................#........#..........................................#................
+.......................................................................................#.............................#..............#.......
+.........................................#..................................................................................................
+.....#............#......................................#.....#............................#...............................................
+............................#...............................................................................................................
+.......................#.........#........................................#..............................#...............................#..
+..#...........#.......................................#.........................#...........................................................
+.......................................#.........................#..........................................................................
+............................................................#...............................................................................
+.......#......................#........................................#................................................#..............#....
+..............................................................................................................#.............................
+...............................................#.....................................................#......................................
+......................#..................................................................#......#.................................#.......#.
+..#.......#................#......#..................................#.......#.....................................#........................
+................#...............................................#..................#....................#..................#................

src/day11/mod.rs

@@ -0,0 +1,73 @@
+use crate::common::{match_inputs, read_file, split_lines};
+
+#[allow(dead_code)]
+pub fn part_two() {}
+
+#[allow(dead_code)]
+pub fn part_one() {
+    let input = setup();
+
+    let mut galaxies = extract(input);
+    expand(&mut galaxies);
+    let distances = sum_dist(galaxies);
+
+    println!("The sum of all distances is: '{distances}'.");
+}
+
+fn sum_dist(galaxies: Vec<Galaxy>) -> usize {
+    let mut distances = 0;
+
+    for (i, a) in galaxies.iter().enumerate() {
+        for b in galaxies.iter().skip(i) {
+            if b.compare(a) {
+                continue;
+            }
+            distances += a.distance(b);
+        }
+    }
+
+    distances
+}
+
+fn extract(symbols: Vec<Vec<String>>) -> Vec<Galaxy> {
+    let mut galaxies = Vec::new();
+
+    for (y, line) in symbols.iter().enumerate() {
+        for (x, symbol) in line.iter().enumerate() {
+            if symbol.as_str() == "." {
+                continue;
+            }
+            galaxies.push(Galaxy { x, y });
+        }
+    }
+
+    galaxies
+}
+
+fn expand(galaxies: &mut Vec<Galaxy>) {}
+
+struct Galaxy {
+    x: usize,
+    y: usize,
+}
+
+impl Galaxy {
+    fn distance(&self, other: &Galaxy) -> usize {
+        let dx = (other.x as isize - self.x as isize).abs();
+        let dy = (other.y as isize - self.y as isize).abs();
+        (dx + dy) as usize
+    }
+
+    fn compare(&self, other: &Galaxy) -> bool {
+        self.x == other.x && self.y == other.y
+    }
+}
+
+fn setup() -> Vec<Vec<String>> {
+    let name = "day11";
+    println!("Executing module '{name}' entrypoint . . . ");
+
+    let content = read_file(name);
+    let lines = split_lines(&content);
+    match_inputs(lines, &r".")
+}

src/main.rs

@@ -1,14 +1,19 @@
 use std::time::Instant;
 
 mod common;
+
 mod day09;
+mod day11;
 
 fn main() {
     println!("Executing main entrypoint . . . ");
     let now = Instant::now();
-    
+
     // day09::part_one();
-    day09::part_two();
+    // day09::part_two();
+
+    day11::part_one();
+    // day11::part_two();
 
     let elapsed = now.elapsed();
     println!("Execution in {:?}.", elapsed);