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multiple: genericize Grid over coordinate type, parallelism for day 11

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This commit is contained in:
Keenan Tims
2024-12-11 18:43:13 -08:00
parent d2defae8a2
commit 50b6d045e7
4 changed files with 101 additions and 77 deletions
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6
src/day8.rs
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@ -43,7 +43,7 @@ impl AntennaMap {
let offset = (a.0 - b.0, a.1 - b.1);
for i in (start..).map_while(|i| if Some(i - start) != reps { Some(i as i64) } else { None }) {
let node_pos = (a.0 + i * offset.0, a.1 + i * offset.1);
if !antinodes.set(node_pos.0, node_pos.1, true) {
if antinodes.set(&node_pos, true).is_none() {
// left the grid
break;
}
@ -58,14 +58,14 @@ impl AntennaMap {
#[aoc(day8, part1)]
pub fn part1(map: &AntennaMap) -> u64 {
let antinodes = map.find_antinodes(1, Some(1));
antinodes.count(true) as u64
antinodes.count(&true) as u64
}
// PROBLEM 2 solution
#[aoc(day8, part2)]
pub fn part2(map: &AntennaMap) -> u64 {
let antinodes = map.find_antinodes(0, None);
antinodes.count(true) as u64
antinodes.count(&true) as u64
}
#[cfg(test)]