day_12: nit

src/advent_of_code/mod.rs

@@ -8,9 +8,10 @@
 // mod sun_08;
 // mod mon_09;
 // mod tue_10;
+// mod wed_11;
+mod thu_12;
 mod types;
 mod utils;
-mod wed_11;
 
 use types::*;
 
@@ -83,11 +84,18 @@ pub fn historian_hysteria() {
     //     tue_10::hoof_it("./assets/day_10_trail_map_input");
     // println!("The trail head sum score is {}", trailhead_score);
     // println!("The full trail head sum score is {}", full_trailhead_score);
-    let blink_count: usize = 25;
-    let stone_count =
-        wed_11::plutonian_pebbles("./assets/day_11_stone_arrangement_input", blink_count);
-    println!(
-        "The total of stones after {} is {}",
-        blink_count, stone_count
-    );
+    // let blink_count: usize = 25;
+    // let stone_count =
+    //     wed_11::plutonian_pebbles("./assets/day_11_stone_arrangement_input", blink_count);
+    // println!(
+    //     "The total of stones after {} is {}",
+    //     blink_count, stone_count
+    // );
+    // let blink_count: usize = 75;
+    // let stone_count =
+    //     wed_11::plutonian_pebbles("./assets/day_11_stone_arrangement_input", blink_count);
+    // println!(
+    //     "The total of stones after {} is {}",
+    //     blink_count, stone_count
+    // );
 }

src/advent_of_code/thu_12.rs

@@ -0,0 +1,7 @@
+use utils::read_garden_arrangement_input;
+
+use super::*;
+
+pub fn garden_groups(input: &str) {
+    let garden = read_garden_arrangement_input(input);
+}

src/advent_of_code/types.rs

@@ -86,3 +86,7 @@ pub type TrailMap = Vec<Vec<TrailPosition>>;
 pub type StoneCount = usize;
 pub type Stone = usize;
 pub type StoneList = Vec<Stone>;
+
+// Garden Groups
+pub type Plant = char;
+pub type Garden = Vec<Vec<char>>;

src/advent_of_code/utils.rs

@@ -1,4 +1,5 @@
 use std::fs::read_to_string;
+use std::io::read_to_string;
 use std::ops::Sub;
 
 use super::*;
@@ -218,6 +219,20 @@ pub fn read_stone_arrangement(input: &str) -> StoneList {
     stone_list
 }
 
+pub fn read_garden_arrangement_input(input: &str) -> Garden {
+    let mut garden: Garden = vec![];
+
+    for line in read_to_string(input).unwrap().lines() {
+        let mut garden_row: Vec<Plant> = vec![];
+        for plant in line.chars() {
+            garden_row.push(plant);
+        }
+        garden.push(garden_row);
+    }
+
+    garden
+}
+
 pub fn calc_distance<T>(num_1: T, num_2: T) -> T
 where
     T: PartialOrd + Sub<Output = T>,

src/advent_of_code/wed_11.rs

@@ -8,14 +8,12 @@ pub fn plutonian_pebbles(input: &str, blink_count: usize) -> StoneCount {
     stone_list.len()
 }
 
-fn apply_rules(stone_list: StoneList, blink_count: usize) -> StoneList {
-    let mut new_stone_list = stone_list.clone();
-
+fn apply_rules(mut stone_list: StoneList, blink_count: usize) -> StoneList {
     for _ in 0..blink_count {
-        new_stone_list = blink(new_stone_list);
+        stone_list = blink(stone_list);
     }
 
-    new_stone_list
+    stone_list
 }
 
 fn blink(stone_list: StoneList) -> StoneList {