day 12

Cargo.lock

@@ -52,6 +52,14 @@ dependencies = [
  "regex",
 ]
 
+[[package]]
+name = "day_13-1"
+version = "0.1.0"
+
+[[package]]
+name = "day_13-2"
+version = "0.1.0"
+
 [[package]]
 name = "day_2-1"
 version = "0.1.0"

day_13/part_1/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day_13-1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

day_13/part_1/src/main.rs

@@ -0,0 +1,57 @@
+fn main() {
+    let input = include_str!("../../input.txt").trim();
+    let mut result = 0;
+
+    'balls: for section in input.split("\n\n") {
+        let grid: Vec<Vec<bool>> = section
+            .lines()
+            .map(|line| line.chars().map(|c| c == '#').collect::<Vec<bool>>())
+            .collect::<Vec<Vec<bool>>>();
+
+        // Vertical
+        for mut i in 0..(grid.len() - 1) as i32 {
+            let res_val = (i + 1) * 100;
+            let mut j = (i + 1) as i32;
+
+            'nuts: loop {
+                if i < 0 || j >= grid.len() as i32 {
+                    result += res_val;
+                    continue 'balls;
+                }
+
+                for k in 0..grid[i as usize].len() {
+                    if grid[i as usize][k] != grid[j as usize][k] {
+                        break 'nuts;
+                    }
+                }
+
+                i -= 1;
+                j += 1;
+            }
+        }
+
+        // Horizontal
+        for mut i in 0..(grid[0].len() - 1) as i32 {
+            let res_val = i + 1;
+            let mut j = (i + 1) as i32;
+
+            'nuts: loop {
+                if i < 0 || j >= grid[0].len() as i32 {
+                    result += res_val;
+                    continue 'balls;
+                }
+
+                for k in 0..grid.len() {
+                    if grid[k][i as usize] != grid[k][j as usize] {
+                        break 'nuts;
+                    }
+                }
+
+                i -= 1;
+                j += 1;
+            }
+        }
+    }
+
+    println!("Result: {result}");
+}

day_13/part_2/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day_13-2"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

day_13/part_2/src/main.rs

@@ -0,0 +1,75 @@
+fn main() {
+    let input = include_str!("../../input.txt").trim();
+    let mut result = 0;
+
+    'balls: for section in input.split("\n\n") {
+        let grid: Vec<Vec<bool>> = section
+            .lines()
+            .map(|line| line.chars().map(|c| c == '#').collect::<Vec<bool>>())
+            .collect::<Vec<Vec<bool>>>();
+
+        // Vertical
+        for mut i in 0..(grid.len() - 1) as i32 {
+            let res_val = (i + 1) * 100;
+            let mut j = (i + 1) as i32;
+            let mut error_allowed = true;
+
+            'nuts: loop {
+                if i < 0 || j >= grid.len() as i32 {
+                    if !error_allowed {
+                        result += res_val;
+                        continue 'balls;
+                    } else {
+                        break 'nuts;
+                    }
+                }
+
+                for k in 0..grid[i as usize].len() {
+                    if grid[i as usize][k] != grid[j as usize][k] {
+                        if error_allowed {
+                            error_allowed = false;
+                        } else {
+                            break 'nuts;
+                        }
+                    }
+                }
+
+                i -= 1;
+                j += 1;
+            }
+        }
+
+        // Horizontal
+        for mut i in 0..(grid[0].len() - 1) as i32 {
+            let res_val = i + 1;
+            let mut j = (i + 1) as i32;
+            let mut error_allowed = true;
+
+            'nuts: loop {
+                if i < 0 || j >= grid[0].len() as i32 {
+                    if !error_allowed {
+                        result += res_val;
+                        continue 'balls;
+                    } else {
+                        break 'nuts;
+                    }
+                }
+
+                for k in 0..grid.len() {
+                    if grid[k][i as usize] != grid[k][j as usize] {
+                        if error_allowed {
+                            error_allowed = false;
+                        } else {
+                            break 'nuts;
+                        }
+                    }
+                }
+
+                i -= 1;
+                j += 1;
+            }
+        }
+    }
+
+    println!("Result: {result}");
+}