day11 part1

day11/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day11"
+version = "0.1.0"

day11/Cargo.toml

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+[package]
+name = "day11"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

day11/input.txt

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+...#......
+.......#..
+#.........
+..........
+......#...
+.#........
+.........#
+..........
+.......#..
+#...#.....

day11/src/main.rs

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+use std::fs;
+
+fn main() {
+    let input = fs::read_to_string("input.txt").unwrap();
+    let input: Vec<_> = input.split('\n')
+        .map(|x| x.chars().collect::<Vec<char>>())
+        .collect();
+
+    let mut rotate: Vec<Vec<char>> = vec![];
+    for j in 0..input[0].len() {
+        let mut tmp: Vec<char> = vec![];
+        for i in 0..input.len() {
+            tmp.push(input[i][j]);
+        }
+
+        if tmp.iter().all(|x| x == &'.') {
+            rotate.push(tmp.clone());
+        }
+        rotate.push(tmp);
+    }
+
+
+    let mut expanded: Vec<Vec<char>> = vec![];
+    for j in 0..rotate[0].len() {
+        let mut tmp: Vec<char> = vec![];
+        for i in 0..rotate.len() {
+            tmp.push(rotate[i][j]);
+        }
+        if tmp.iter().all(|x| x == &'.') {
+            expanded.push(tmp.clone());
+        }
+        expanded.push(tmp);
+    }
+
+    let mut galaxies: Vec<(i32, i32)> = vec![];
+
+    for (i, line) in expanded.iter().enumerate() {
+        for (j, char) in line.iter().enumerate() {
+            if char == &'#' {
+                galaxies.push((i as i32,j as i32));
+            }
+        }
+    }
+
+    let dist_total = galaxies.clone().into_iter().enumerate()
+        .fold(0, |mut acc, (i, gal)| {
+            for next in &galaxies[i + 1..] {
+                acc += gal.0.abs_diff(next.0) + gal.1.abs_diff(next.1);
+            }
+            acc
+        });
+
+    println!("{:?}", dist_total);
+
+}