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d19 #17

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45 changes: 24 additions & 21 deletions src/day19.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,32 +21,35 @@ unsafe fn inner1(s: &[u8]) -> u32 {
};
}

loop {
let mut hash = hash!(*ptr);
let mut curr = 0;
loop {
ptr = ptr.add(1);
let next = trie.add(curr).cast::<u16>().add(hash as usize);
if *next == 0 {
len += 1;
*next = len;
*trie.add(len as usize) = [0; 6];
({
#[inline(never)]
|| loop {
let mut hash = hash!(*ptr);
let mut curr = 0;
loop {
ptr = ptr.add(1);
let next = trie.add(curr).cast::<u16>().add(hash as usize);
if *next == 0 {
len += 1;
*next = len;
*trie.add(len as usize) = [0; 6];
}

hash = hash!(*ptr);
curr = *next as usize;
if (hash as i32) < 0 {
break;
}
}

hash = hash!(*ptr);
curr = *next as usize;
if (hash as i32) < 0 {
ptr = ptr.add(2);
assert!(*ptr > 64);
*trie.add(curr).cast::<u16>().add(2) = 1;
if is_lf!(hash) {
break;
}
}

ptr = ptr.add(2);
assert!(*ptr > 64);
*trie.add(curr).cast::<u16>().add(2) = 1;
if is_lf!(hash) {
break;
}
}
})();

let mut total = 0;

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