bendns' repos / codspeed-aoc
the swar must continue
Browse Source
bendn 2024-12-02
parent db39b9f · commit e81d35e
Diffstat
-rw-r--r--src/lib.rs20
1 files changed, 11 insertions, 9 deletions
diff --git a/src/lib.rs b/src/lib.rs
index cae75fd..3a207cc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -31,17 +31,19 @@ pub mod day1 {
static mut a: [i32; 1000] = [0; 1000];
static mut b: [i32; 1000] = [0; 1000];
+ let i = i.as_bytes();
unsafe {
- i.as_bytes()
- .as_chunks_unchecked::<14>()
- .into_iter()
- .map(|x| (reading::all(&x[0..5]), reading::all(&x[8..13])))
- .enumerate()
- .for_each(|(i, (x, y))| {
- *a.get_unchecked_mut(i) = x;
- *b.get_unchecked_mut(i) = y;
- });
+ for n in 0..1000 {
+ let i = C! { &i[n * 14..] };
+ let n1 = reading::八(
+ u64::from_le_bytes(crate::util::nail(C! { &i[..8] })) << 24
+ | (0x3030303030303030 & !24),
+ ) as i32;
+ let n2 = reading::八(u64::from_le_bytes(crate::util::nail(C! { &i[5..]}))) as i32;
+ *a.get_unchecked_mut(n) = n1;
+ *b.get_unchecked_mut(n) = n2;
+ }
radsort::sort(&mut a);
radsort::sort(&mut b);
a.iter()