Complete Day 5

This commit is contained in:
Timothy Warren 2022-12-06 10:21:06 -05:00
parent fc6ffaf276
commit edb806c1c4

View File

@ -23,6 +23,23 @@ impl Move {
}
}
}
fn apply_multiple(&self, layout: &mut Vec<Vec<char>>) {
let item_count = self.items;
let max = layout[self.from].len();
let min = max.checked_sub(item_count).unwrap_or(0);
let from = layout.get_mut(self.from).unwrap();
// Clone this so we can borrow immutably
let from2 = from.clone();
let (rem, to_move) = from2.split_at(min);
from.clear();
from.append(&mut rem.to_vec());
layout[self.to].append(&mut to_move.to_vec());
}
}
// ----------------------------------------------------------------------------
@ -60,12 +77,20 @@ fn main() {
let moves = parts[1];
let mut layout = get_initial_layout();
moves.lines().for_each(|line| {
Move::from(line).apply(&mut layout);
});
let top_crates = get_position_string(&layout);
let mut layout = get_initial_layout();
moves
.lines()
.for_each(|line| Move::from(line).apply_multiple(&mut layout));
let top_crates_multiple = get_position_string(&layout);
println!("Part 1: Top crates after moves: {}", top_crates);
println!(
"Part 2: Top crates after bulk container moves: {}",
top_crates_multiple
);
}