aoc/year2025/
day12.rs

1//! # Christmas Tree Farm
2use crate::util::iter::*;
3use crate::util::parse::*;
4
5pub fn parse(input: &str) -> &str {
6    input
7}
8
9pub fn part1(input: &str) -> usize {
10    input
11        .iter_unsigned::<u32>()
12        .skip(6)
13        .chunk::<8>()
14        .filter(|[w, h, presents @ ..]| (w / 3) * (h / 3) >= presents.iter().sum::<u32>())
15        .count()
16}
17
18pub fn part2(_input: &str) -> &'static str {
19    "n/a"
20}