heh
2017/17: 35:47
| -rw-r--r-- | src/main.rs | 51 |
1 files changed, 25 insertions, 26 deletions
diff --git a/src/main.rs b/src/main.rs index 5c69232..1c3d997 100644 --- a/src/main.rs +++ b/src/main.rs @@ -71,33 +71,32 @@ use crate::util::{MapF, UnionFind}; #[unsafe(no_mangle)] // #[implicit_fn::implicit_fn] pub unsafe fn p1(x: &'static [u8; ISIZE]) -> impl Debug { - let mut p = range::<16>().map(|x| x as u8); - // let mut set = HashMap::default(); - for (x, _) in x.μₙ(b',').cycle().ι::<usize>().take(280000) { - match x[0] { - b's' => { - p.rotate_right(x[1..].λ()); + let mut p = 0; + let mut b = vec![()]; + let mut l = 0; + b.reserve(50000005); + let steps = 354; + (1..) + .map(|x| { + p += steps; + p %= b.len(); + p += 1; + // if p < b.len() { + // b.insert(p, x); + // } else { + // b.push(x); + // } + if p == 1 { + l = x; } - b'x' => { - let (a, b) = x[1..].μ('/').mb(|x| x.λ()); - p.swap(a, b); - } - b'p' => { - let a = p.position(x[1] - b'a'); - let b = p.position(x[3] - b'a'); - p.swap(a, b); - } - _ => dang!(), - } - // if let Some(p) = set.insert(p, i) { - // println!( - // "{i} = {p}", - // ); - // } - } - p.map(|x| (x as u8 + b'a') as char) - .iter() - .collect::<String>() + b.push(()); + // insertions.push((p, x)); + + // p += 1; + }) + .take(50000000) + .θ(); + l } const ISIZE: usize = include_bytes!("inp.txt").len(); fn main() { |