aylac.top
+13
-14
2015/18/rust/src/main.rs
+13
-14
2015/18/rust/src/main.rs
···
3
fn generations(times: u32, mut world: Vec<u8>, size: usize, stuck: bool) -> Vec<u8> {
4
#[inline]
5
fn pos(x: usize, y: usize, size: usize) -> usize {
6
-
// this shit is unreadable man
7
-
(1 + y) * (size + 2) + (1 + x)
8
}
9
10
#[inline]
···
13
unsafe { *world.get_unchecked(pos(x, y, size)) }
14
}
15
16
-
let sizem = size - 1;
17
18
let mut new_world = vec![0_u8; (size + 2).pow(2)];
19
20
if stuck {
21
-
world[pos(0, 0, size)] = 1;
22
-
world[pos(sizem, 0, size)] = 1;
23
-
world[pos(0, sizem, size)] = 1;
24
-
world[pos(sizem, sizem, size)] = 1;
25
}
26
27
for _ in 0..times {
28
-
for yo in 0..size {
29
let ym = yo - 1;
30
let yp = yo + 1;
31
-
for xo in 0..size {
32
let xm = xo - 1;
33
let xp = xo + 1;
34
···
49
50
// i hate the duplication here :(
51
if stuck {
52
-
world[pos(0, 0, size)] = 1;
53
-
world[pos(sizem, 0, size)] = 1;
54
-
world[pos(0, sizem, size)] = 1;
55
-
world[pos(sizem, sizem, size)] = 1;
56
}
57
}
58
world
···
61
fn main() {
62
let input = include_str!("../../input.txt").trim();
63
let size = input.split_once("\n").expect("invalid input").0.len();
64
-
// reads the input but adds a line of buffer on the sides. unreadable
65
let buffer_line = ".".repeat(size);
66
let input: Vec<u8> = format!("{buffer_line}\n{input}\n{buffer_line}")
67
.split("\n")
···
3
fn generations(times: u32, mut world: Vec<u8>, size: usize, stuck: bool) -> Vec<u8> {
4
#[inline]
5
fn pos(x: usize, y: usize, size: usize) -> usize {
6
+
y * (size + 2) + x
7
}
8
9
#[inline]
···
12
unsafe { *world.get_unchecked(pos(x, y, size)) }
13
}
14
15
+
let sizep = size + 1;
16
17
let mut new_world = vec![0_u8; (size + 2).pow(2)];
18
19
if stuck {
20
+
world[pos(1, 1, size)] = 1;
21
+
world[pos(size, 1, size)] = 1;
22
+
world[pos(1, size, size)] = 1;
23
+
world[pos(size, size, size)] = 1;
24
}
25
26
for _ in 0..times {
27
+
for yo in 1..sizep {
28
let ym = yo - 1;
29
let yp = yo + 1;
30
+
for xo in 1..sizep {
31
let xm = xo - 1;
32
let xp = xo + 1;
33
···
48
49
// i hate the duplication here :(
50
if stuck {
51
+
world[pos(1, 1, size)] = 1;
52
+
world[pos(size, 1, size)] = 1;
53
+
world[pos(1, size, size)] = 1;
54
+
world[pos(size, size, size)] = 1;
55
}
56
}
57
world
···
60
fn main() {
61
let input = include_str!("../../input.txt").trim();
62
let size = input.split_once("\n").expect("invalid input").0.len();
63
+
// reads the input but adds a line of buffer on the sides
64
let buffer_line = ".".repeat(size);
65
let input: Vec<u8> = format!("{buffer_line}\n{input}\n{buffer_line}")
66
.split("\n")