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use closure instead of vector

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Daniel Bulant 2023-12-17 16:58:45 +01:00
parent f831229145
commit 0341907983
1 changed files with 17 additions and 20 deletions
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37
2023/16/src/main.rs
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@ -2,7 +2,7 @@ use std::{fs::File, io::{BufReader, BufRead, Write}, ops::Add, fmt::Debug, hash:
fn main() {
part1();
// part2();
part2();
// println!("test");
}
@ -248,28 +248,25 @@ fn get_count(max_point: Point, rows: &Vec<Vec<MapPoint>>, columns: &Vec<Vec<MapP
},
Some(mappoint) => {
mark(vec, beam.point, (if vec_is_vertical { mappoint.point.y } else { mappoint.point.x } ) + (if vec.is_positive() { 1 } else { 0 }), &mut energized);
let mut vecs = Vec::with_capacity(2);
let point = mappoint.point;
let mut try_add = |v: Vector| if !v.will_go_oob(point, max_point) {
let new_point = point + v;
let beam = Beam {
point: new_point,
vector: v
};
let bnum = beam.to_nums();
if beams_set_vec[bnum] == false {
beams_set_vec[bnum] = true;
beams.push(beam);
}
};
if mappoint.mirror == Type::SplitHorizontal || mappoint.mirror == Type::SplitVertical {
let (v1, v2) = vectors_from_split(mappoint.mirror);
vecs.push(v1);
vecs.push(v2);
try_add(v1);
try_add(v2);
} else {
vecs.push(vec.map_by_mirror(mappoint.mirror));
}
let point = mappoint.point;
for v in vecs {
if !v.will_go_oob(point, max_point) {
let new_point = point + v;
let beam = Beam {
point: new_point,
vector: v
};
let bnum = beam.to_nums();
if beams_set_vec[bnum] == false {
beams_set_vec[bnum] = true;
beams.push(beam);
}
}
try_add(vec.map_by_mirror(mappoint.mirror));
}
}
}