Add day 14

This commit is contained in:
Sebastian Knackstedt 2022-12-14 22:04:14 +01:00
parent 3d507bbda4
commit f951932c2c
Signed by: sebastian
GPG Key ID: CDCD9AF904D93EF7
4 changed files with 236 additions and 0 deletions

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@ -61,4 +61,8 @@ path = "src/day12/main.rs"
name = "day13" name = "day13"
path = "src/day13/main.rs" path = "src/day13/main.rs"
[[bin]]
name = "day14"
path = "src/day14/main.rs"
[dependencies] [dependencies]

129
day14.txt Normal file
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@ -0,0 +1,129 @@
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
484,41 -> 484,42 -> 495,42 -> 495,41
494,51 -> 498,51
470,158 -> 475,158
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
458,171 -> 462,171
473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
492,162 -> 497,162
494,27 -> 498,27
471,162 -> 476,162
480,156 -> 485,156
498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
461,165 -> 465,165
477,70 -> 487,70 -> 487,69
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
482,37 -> 488,37 -> 488,36
473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
464,162 -> 469,162
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
473,173 -> 477,173
462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
464,167 -> 468,167
468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
476,154 -> 481,154
461,173 -> 465,173
468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
494,33 -> 498,33
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
477,70 -> 487,70 -> 487,69
473,156 -> 478,156
455,173 -> 459,173
478,162 -> 483,162
462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
467,173 -> 471,173
498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
484,41 -> 484,42 -> 495,42 -> 495,41
497,30 -> 501,30
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
485,162 -> 490,162
482,37 -> 488,37 -> 488,36
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
491,30 -> 495,30
468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
467,169 -> 471,169
452,171 -> 456,171
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
464,171 -> 468,171
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
484,41 -> 484,42 -> 495,42 -> 495,41
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
474,160 -> 479,160
500,51 -> 504,51
494,45 -> 498,45
461,169 -> 465,169
468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
488,51 -> 492,51
458,167 -> 462,167
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
466,137 -> 466,138 -> 484,138
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
498,13 -> 498,17 -> 497,17 -> 497,24 -> 505,24 -> 505,17 -> 502,17 -> 502,13
467,160 -> 472,160
468,107 -> 468,100 -> 468,107 -> 470,107 -> 470,104 -> 470,107 -> 472,107 -> 472,97 -> 472,107
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
481,160 -> 486,160
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
497,48 -> 501,48
491,48 -> 495,48
455,169 -> 459,169
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
500,33 -> 504,33
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
449,173 -> 453,173
473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
470,171 -> 474,171
477,158 -> 482,158
468,123 -> 468,127 -> 460,127 -> 460,132 -> 474,132 -> 474,127 -> 473,127 -> 473,123
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
462,120 -> 462,112 -> 462,120 -> 464,120 -> 464,114 -> 464,120 -> 466,120 -> 466,119 -> 466,120 -> 468,120 -> 468,118 -> 468,120 -> 470,120 -> 470,119 -> 470,120
473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
473,73 -> 473,77 -> 466,77 -> 466,82 -> 485,82 -> 485,77 -> 477,77 -> 477,73
466,137 -> 466,138 -> 484,138
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
484,158 -> 489,158
462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
488,33 -> 492,33
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85
480,151 -> 480,145 -> 480,151 -> 482,151 -> 482,150 -> 482,151 -> 484,151 -> 484,144 -> 484,151 -> 486,151 -> 486,148 -> 486,151 -> 488,151 -> 488,142 -> 488,151
482,64 -> 482,59 -> 482,64 -> 484,64 -> 484,55 -> 484,64 -> 486,64 -> 486,58 -> 486,64 -> 488,64 -> 488,54 -> 488,64 -> 490,64 -> 490,55 -> 490,64
488,160 -> 493,160
462,85 -> 462,88 -> 454,88 -> 454,94 -> 470,94 -> 470,88 -> 466,88 -> 466,85

2
day14_test.txt Normal file
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@ -0,0 +1,2 @@
498,4 -> 498,6 -> 496,6
503,4 -> 502,4 -> 502,9 -> 494,9

101
src/day14/main.rs Normal file
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@ -0,0 +1,101 @@
use std::collections::HashSet;
use base::read_file;
#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
struct Pos(i32, i32);
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
struct Line(Pos, Pos);
impl Line {
fn contains(&self, p: &Pos) -> bool {
let Pos(x1, y1) = self.0;
let Pos(x2, y2) = self.1;
let x_max = x1.max(x2);
let x_min = x1.min(x2);
let y_max = y1.max(y2);
let y_min = y1.min(y2);
return if x1 == x2 {
let y_range = y_min..=y_max;
p.0 == x1 && y_range.contains(&p.1)
} else if y1 == y2 {
let x_range = x_min..=x_max;
x_range.contains(&p.0) && p.1 == y1
} else {
false
};
}
}
impl Pos {
fn can_move_to(&self, relative: &Pos, lines: &Vec<Line>, others: &HashSet<Pos>) -> bool {
let relative = Pos(self.0 + relative.0, self.1 + relative.1);
for line in lines {
if line.contains(&relative) {
return false;
}
}
!others.contains(&relative)
}
}
fn do_simulation(rock_lines: &Vec<Line>, max_height: i32) -> u32 {
let mut spawns = 0;
let mut sands = HashSet::new();
let sand_spawn = Pos(500, 0);
let mut sand = sand_spawn;
loop {
if sand.can_move_to(&Pos(0, 1), &rock_lines, &sands) {
sand = Pos(sand.0, sand.1 + 1);
} else if sand.can_move_to(&Pos(-1, 1), &rock_lines, &sands) {
sand = Pos(sand.0 - 1, sand.1 + 1);
} else if sand.can_move_to(&Pos(1, 1), &rock_lines, &sands) {
sand = Pos(sand.0 + 1, sand.1 + 1);
} else {
if sand == sand_spawn {
spawns += 1;
break;
}
sands.insert(sand);
sand = sand_spawn;
spawns += 1;
}
if sand.1 == max_height {
println!("Sand reached void");
break;
}
}
spawns
}
fn main() {
let lines = read_file("day14.txt");
let mut rock_lines = vec![];
for x in lines {
x.split_whitespace().filter(|s| !(s == &"->")).map(|s| {
let mut split = s.split(',');
let x = split.next().unwrap().parse().unwrap();
let y = split.next().unwrap().parse().unwrap();
Pos(x, y)
}).collect::<Vec<_>>().windows(2).map(|pos| Line(pos[0], pos[1])).collect::<Vec<_>>().iter().for_each(|line| rock_lines.push(*line));
}
let max_height = rock_lines.iter().flat_map(|line| [line.0.1, line.1.1]).max().unwrap() + 1;
println!("Everything above {max_height} is void");
let task1 = do_simulation(&rock_lines, max_height);
println!("Task1: Got {task1} spawns");
rock_lines.push(Line(Pos(i32::MIN, max_height + 1), Pos(i32::MAX, max_height + 1)));
let task2 = do_simulation(&rock_lines, i32::MAX);
println!("Task2: Got {task2} spawns");
}