25 lines
885 B
Rust
25 lines
885 B
Rust
use grid::*;
|
|
use intcode::*;
|
|
use std::char;
|
|
use std::collections::HashMap;
|
|
|
|
fn main() {
|
|
// The main reason I use a hashmap here (instead of a 2D vector) is that my abstractions for
|
|
// ascii stuff all use maps ヽ( ﾟヮ・)ノ
|
|
let field: HashMap<Position2D, char> = IntComputer::without_params(read_input())
|
|
.get_all_outputs()
|
|
.iter()
|
|
.map(|n| char::from_u32(*n as u32).unwrap())
|
|
.collect::<String>()
|
|
.lines()
|
|
.enumerate()
|
|
.flat_map(move |(y, s)| s.chars().enumerate().map(move |(x, c)| ((x, y).into(), c)))
|
|
.collect();
|
|
let p1 = field
|
|
.keys()
|
|
.filter(|pos| field.get(&pos) == Some(&'#') && pos.neighbors().iter().all(|(_, p)| field.get(&p) == Some(&'#')))
|
|
.fold(0, |acc, pos| acc + pos.x * pos.y);
|
|
println!("Part 1: {}", p1);
|
|
// println!("{}", draw_ascii(&field, '.'));
|
|
}
|