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2023-14: Implement part one

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Mathis 2023-12-23 21:52:23 +01:00
parent 4148a107ef
commit ae9f6e1829
6 changed files with 211 additions and 0 deletions
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input/2023/day_14/input.txt Normal file
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input/2023/day_14/input_test.txt Normal file
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O....#....
O.OO#....#
.....##...
OO.#O....O
.O.....O#.
O.#..O.#.#
..O..#O..O
.......O..
#....###..
#OO..#....

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src/year_2023/day_14_parabolic_reflector_dish/common.rs Normal file
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@ -0,0 +1,20 @@
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum Rock {
R, // Round
S, // Square
N, // None
}
#[allow(dead_code)]
pub fn print_platform(platform : &Vec<Vec<Rock>>) {
for row in platform.clone() {
for c in row {
match c {
Rock::R => print!("O"),
Rock::S => print!("#"),
Rock::N => print!("."),
}
}
print!("\n");
}
}

25
src/year_2023/day_14_parabolic_reflector_dish/mod.rs Normal file
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@ -0,0 +1,25 @@
pub mod part_one;
pub mod part_two;
pub mod common;
use crate::utils::solution::Solution;
use crate::utils::input_reader;
pub struct DaySolution ;
impl Solution for DaySolution {
fn input_path(&self) -> &'static str {
"input/2023/day_14/input.txt"
}
fn part_one(&self) -> String {
input_reader::read_input_file(self.input_path(), part_one::part_one)
}
fn part_two(&self) -> String {
input_reader::read_input_file(self.input_path(), part_two::part_two)
// String::from("Not implemented")
}
}

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src/year_2023/day_14_parabolic_reflector_dish/part_one.rs Normal file
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@ -0,0 +1,54 @@
use super::common::Rock;
pub fn part_one(input_lines: Vec<String>) -> String {
let mut platform: Vec<Vec<Rock>> = Vec::new();
for line in input_lines {
let mut row: Vec<Rock> = Vec::new();
for c in line.chars() {
match c {
'.' => row.push(Rock::N),
'#' => row.push(Rock::S),
'O' => row.push(Rock::R),
_ => panic!("Invalid character: {}", c),
}
}
platform.push(row);
}
tilt(&mut platform);
let result = count_load(&platform);
result.to_string()
// String::from("Not implemented")
}
fn tilt(platform : &mut Vec<Vec<Rock>>) {
for i in 0..platform.len() {
for j in 0..platform[i].len() {
if platform[i][j] == Rock::R {
let mut k = i;
while k >= 1 && platform[k - 1][j] == Rock::N {
k -= 1;
}
platform[i][j] = Rock::N;
platform[k][j] = Rock::R;
}
}
}
}
fn count_load(platform : &Vec<Vec<Rock>>) -> usize {
let mut count = 0;
for i in 0..platform.len() {
for j in 0..platform[i].len() {
if platform[i][j] == Rock::R {
count += platform.len() - i;
}
}
}
count
}

2
src/year_2023/mod.rs
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@ -11,6 +11,7 @@ pub mod day_10_pipe_maze;
pub mod day_11_cosmic_expantion;
pub mod day_12_hot_springs;
pub mod day_13_point_of_incidence;
pub mod day_14_parabolic_reflector_dish;
pub fn run(day: &str) {
let solution: Box<dyn Solution> = match day {
@ -25,6 +26,7 @@ pub fn run(day: &str) {
"11" => Box::new(day_11_cosmic_expantion::DaySolution),
"12" => Box::new(day_12_hot_springs::DaySolution),
"13" => Box::new(day_13_point_of_incidence::DaySolution),
"14" => Box::new(day_14_parabolic_reflector_dish::DaySolution),
_ => panic!("Invalid day specified"),
};