- commit
- 2f2633d5646d51dd6806032cf152e70c7957278c
- parent
- 30a31e74f232471c33812cbc4bd989fff377aadd
- Author
- Tobias Bengfort <tobias.bengfort@posteo.de>
- Date
- 2023-12-19 09:11
2023-12-18
Diffstat
| A | 2023/18/input.txt | 630 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | 2023/18/solution.rs | 72 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | 2023/18/test.txt | 14 | ++++++++++++++ |
3 files changed, 716 insertions, 0 deletions
diff --git a/2023/18/input.txt b/2023/18/input.txt
@@ -0,0 +1,630 @@ -1 1 L 7 (#080f92) -1 2 U 8 (#6345a3) -1 3 L 9 (#8646f2) -1 4 U 6 (#34e153) -1 5 L 4 (#0f1112) -1 6 D 15 (#441d83) -1 7 L 5 (#259752) -1 8 U 9 (#1a63b3) -1 9 L 2 (#7d6642) -1 10 U 6 (#471dc3) -1 11 L 15 (#0b2432) -1 12 U 4 (#179b23) -1 13 L 3 (#4f3500) -1 14 U 5 (#7166d3) -1 15 L 11 (#36b9b0) -1 16 U 8 (#2a4fb3) -1 17 R 11 (#2a9d40) -1 18 U 4 (#7776d3) -1 19 L 4 (#1f5af0) -1 20 U 3 (#610911) -1 21 R 6 (#513130) -1 22 U 5 (#38d451) -1 23 R 6 (#25d420) -1 24 U 6 (#07e921) -1 25 L 12 (#049d20) -1 26 U 3 (#579443) -1 27 L 5 (#2cfd52) -1 28 U 8 (#67b1d3) -1 29 L 5 (#0fc502) -1 30 U 5 (#1aac63) -1 31 L 7 (#7dd532) -1 32 D 9 (#0183c1) -1 33 L 7 (#3647a2) -1 34 D 4 (#35f4f1) -1 35 L 8 (#714d12) -1 36 U 6 (#27e461) -1 37 L 2 (#227ba2) -1 38 U 3 (#688731) -1 39 L 12 (#3d6ba2) -1 40 U 2 (#594ea3) -1 41 L 8 (#326992) -1 42 U 13 (#399cc3) -1 43 R 8 (#48d190) -1 44 U 3 (#6515e3) -1 45 R 5 (#48d192) -1 46 U 3 (#37a513) -1 47 R 6 (#1ecf82) -1 48 U 10 (#342493) -1 49 R 5 (#6df562) -1 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diff --git a/2023/18/solution.rs b/2023/18/solution.rs
@@ -0,0 +1,72 @@
-1 1 #[path = "../lib.rs"]
-1 2 mod lib;
-1 3
-1 4 enum Dir {
-1 5 Left,
-1 6 Right,
-1 7 Up,
-1 8 Down,
-1 9 }
-1 10
-1 11 fn parse_input() -> (Vec<(Dir, i64)>, Vec<(Dir, i64)>) {
-1 12 let mut v1 = vec![];
-1 13 let mut v2 = vec![];
-1 14
-1 15 for line in lib::iter_input() {
-1 16 let (d, tail) = line.split_once(' ').unwrap();
-1 17 let dir1 = match d {
-1 18 "L" => Dir::Left,
-1 19 "R" => Dir::Right,
-1 20 "U" => Dir::Up,
-1 21 "D" => Dir::Down,
-1 22 _ => unreachable!(),
-1 23 };
-1 24 let (n, c) = tail.split_once(' ').unwrap();
-1 25 let count1 = n.parse().unwrap();
-1 26 v1.push((dir1, count1));
-1 27
-1 28 let count2 = i64::from_str_radix(&c[2..7], 16).unwrap();
-1 29 let dir2 = match c.bytes().nth(7).unwrap() {
-1 30 b'0' => Dir::Right,
-1 31 b'1' => Dir::Down,
-1 32 b'2' => Dir::Left,
-1 33 b'3' => Dir::Up,
-1 34 _ => unreachable!(),
-1 35 };
-1 36 v2.push((dir2, count2));
-1 37 }
-1 38
-1 39 return (v1, v2);
-1 40 }
-1 41
-1 42 fn count(border: &Vec<(Dir, i64)>) -> i64 {
-1 43 let mut x = 0;
-1 44 let mut sum = 0;
-1 45 let mut edge = 0;
-1 46 for (dir, k) in border.iter() {
-1 47 match dir {
-1 48 Dir::Left => {
-1 49 x -= k;
-1 50 }
-1 51 Dir::Right => {
-1 52 x += k;
-1 53 edge += k;
-1 54 }
-1 55 Dir::Up => {
-1 56 sum += k * x;
-1 57 }
-1 58 Dir::Down => {
-1 59 sum -= k * x;
-1 60 edge += k;
-1 61 }
-1 62 };
-1 63 }
-1 64 return sum.abs() + edge + 1;
-1 65 }
-1 66
-1 67 fn main() {
-1 68 let (v1, v2) = parse_input();
-1 69
-1 70 println!("part1: {}", count(&v1));
-1 71 println!("part2: {}", count(&v2));
-1 72 }
diff --git a/2023/18/test.txt b/2023/18/test.txt
@@ -0,0 +1,14 @@ -1 1 R 6 (#70c710) -1 2 D 5 (#0dc571) -1 3 L 2 (#5713f0) -1 4 D 2 (#d2c081) -1 5 R 2 (#59c680) -1 6 D 2 (#411b91) -1 7 L 5 (#8ceee2) -1 8 U 2 (#caa173) -1 9 L 1 (#1b58a2) -1 10 U 2 (#caa171) -1 11 R 2 (#7807d2) -1 12 U 3 (#a77fa3) -1 13 L 2 (#015232) -1 14 U 2 (#7a21e3)