Added Day 13 Part 2
This commit is contained in:
parent
d23dd16f33
commit
417abdc74a
38
src/main.rs
38
src/main.rs
|
@ -1,4 +1,6 @@
|
|||
#![feature(test)]
|
||||
|
||||
use std::fmt::{Display, Write};
|
||||
extern crate test;
|
||||
|
||||
const INPUTS: [&'static str; 2] = [
|
||||
|
@ -12,6 +14,15 @@ enum NodeType {
|
|||
Empty,
|
||||
}
|
||||
|
||||
impl Display for NodeType {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
NodeType::Dot => f.write_char('\u{2588}'),
|
||||
NodeType::Empty => f.write_char('.'),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl NodeType {
|
||||
#[inline]
|
||||
const fn or(&self, rhs: &NodeType) -> NodeType {
|
||||
|
@ -71,7 +82,7 @@ fn parse_input(input: &'static str) -> (Vec<Point>, Vec<Fold>) {
|
|||
(points, folds)
|
||||
}
|
||||
|
||||
fn solution((points, folds): (Vec<Point>, Vec<Fold>)) -> u64 {
|
||||
fn solution((points, folds): (Vec<Point>, Vec<Fold>)) -> Vec<Vec<NodeType>> {
|
||||
let mut y_max = 0;
|
||||
let mut x_max = 0;
|
||||
for point in points.iter() {
|
||||
|
@ -94,6 +105,8 @@ fn solution((points, folds): (Vec<Point>, Vec<Fold>)) -> u64 {
|
|||
let mirror = std::mem::replace(&mut grid[j][n - i - 1], NodeType::Empty);
|
||||
grid[j][i] = grid[j][i].or(&mirror);
|
||||
}
|
||||
|
||||
grid[j] = grid[j].iter().take(position).cloned().collect();
|
||||
}
|
||||
}
|
||||
Fold::Y(position) => {
|
||||
|
@ -104,28 +117,25 @@ fn solution((points, folds): (Vec<Point>, Vec<Fold>)) -> u64 {
|
|||
grid[j][i] = grid[j][i].or(&mirror);
|
||||
}
|
||||
}
|
||||
|
||||
grid = grid.into_iter().take(position).collect();
|
||||
}
|
||||
}
|
||||
|
||||
let mut sum = 0;
|
||||
for row in grid {
|
||||
sum += row.into_iter().fold(0, |a, x| match x {
|
||||
NodeType::Dot => a + 1,
|
||||
NodeType::Empty => a,
|
||||
})
|
||||
}
|
||||
|
||||
return sum;
|
||||
}
|
||||
|
||||
0
|
||||
grid
|
||||
}
|
||||
|
||||
fn main() {
|
||||
for input in INPUTS {
|
||||
let input = parse_input(input);
|
||||
let result = solution(input);
|
||||
println!("Result {}", result);
|
||||
let grid = solution(input);
|
||||
for row in grid.iter() {
|
||||
for c in row {
|
||||
print!("{}", c);
|
||||
}
|
||||
println!("")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue