Candy/AdventOfCode2023
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

day3 part1

Browse Source
This commit is contained in:
Candygoblen123
2023-12-05 14:48:33 -05:00
parent 993b5e8e3b
commit 89a46e88f5
5 changed files with 321 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
day3/src/main.rs
View File

@@ -3,69 +3,69 @@ use std::fs;
use array2d::Array2D;
pub fn main() {
let input = fs::read_to_string("input.txt").unwrap();
let array_2d = get_map(&input);
// let mut r = Vec::new();
let mut stars_count: HashMap<(usize, usize), Vec<u32>> = HashMap::new();
for (y, row_iter) in array_2d.rows_iter().enumerate() {
let mut checked = false;
for (x, element) in row_iter.enumerate() {
let d: char = element.clone();
if d.is_digit(10) && !checked {
let star_vec = get_neighboring_star(x, y, &array_2d);
if !star_vec.is_empty() {
let (x_star, y_star, _) = star_vec.first().unwrap().clone();
let key = (x_star, y_star);
let gear = get_number(x, y, &array_2d);
if stars_count.contains_key(&key) {
let mut v: Vec<u32> = stars_count.get(&(x_star, y_star)).unwrap().clone();
v.push(gear);
stars_count.insert(key, v);
} else {
stars_count.insert(key, vec![gear]);
}
checked = true
}
} else if !d.is_digit(10) {
checked = false;
}
}
}
let r = stars_count.iter().fold(0u32, |acc, (_, gears)| {
if gears.len() == 2 {
acc + gears.first().unwrap() * gears.last().unwrap()
} else {
acc
}
});
println!("{}", r);
}
// pub fn main() {
// let input = fs::read_to_string("input.txt").unwrap();
// let array_2d = get_map(&input);
// let mut r = 0;
// // let mut r = Vec::new();
// let mut stars_count: HashMap<(usize, usize), Vec<u32>> = HashMap::new();
// for (y, row_iter) in array_2d.rows_iter().enumerate() {
// let mut checked = false;
// for (x, element) in row_iter.enumerate() {
// let d: char = element.clone();
// if d.is_digit(10) && !checked {
// if !get_neighbors(x, y, &array_2d).is_empty() {
// checked = true;
// r += get_number(x, y, &array_2d)
// let star_vec = get_neighboring_star(x, y, &array_2d);
// if !star_vec.is_empty() {
// let (x_star, y_star, _) = star_vec.first().unwrap().clone();
// let key = (x_star, y_star);
// let gear = get_number(x, y, &array_2d);
// if stars_count.contains_key(&key) {
// let mut v: Vec<u32> = stars_count.get(&(x_star, y_star)).unwrap().clone();
// v.push(gear);
// stars_count.insert(key, v);
// } else {
// stars_count.insert(key, vec![gear]);
// }
// checked = true
// }
// } else if !d.is_digit(10) {
// checked = false;
// }
// }
// }
// let r = stars_count.iter().fold(0u32, |acc, (_, gears)| {
// if gears.len() == 2 {
// acc + gears.first().unwrap() * gears.last().unwrap()
// } else {
// acc
// }
// });
// println!("{}", r);
// }
pub fn main() {
let input = fs::read_to_string("input.txt").unwrap();
let array_2d = get_map(&input);
let mut r = 0;
for (y, row_iter) in array_2d.rows_iter().enumerate() {
let mut checked = false;
for (x, element) in row_iter.enumerate() {
let d: char = element.clone();
if d.is_digit(10) && !checked {
if !get_neighbors(x, y, &array_2d).is_empty() {
checked = true;
r += get_number(x, y, &array_2d)
}
} else if !d.is_digit(10) {
checked = false;
}
}
}
println!("{}", r);
}
fn get_map(input: &str) -> Array2D<char> {
let rows: Vec<&str> = input.split("\n").collect();
let mut array = Vec::new();