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minor symmetry breaking: dont hash solved towers

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Jana Dönszelmann 2026-01-02 15:03:54 +01:00
parent fc5872a5af
commit 82fbdec1c7
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1 changed files with 16 additions and 1 deletions
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17
src/main.rs
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@ -319,10 +319,25 @@ impl<const TOWER_HEIGHT: usize> Game<TOWER_HEIGHT> {
} }
} }
fn tower_solved<const TOWER_HEIGHT: usize>(tower: &Tower<TOWER_HEIGHT>) -> bool {
tower
.rings
.iter()
.all(|x| x.is_some() && x == &tower.rings[0])
}
let hash_state = |s: &[Tower<TOWER_HEIGHT>]| { let hash_state = |s: &[Tower<TOWER_HEIGHT>]| {
let mut hasher = DefaultHasher::default(); let mut hasher = DefaultHasher::default();
for x in s.iter().filter(|i| i.height() != 0).enumerate() { let num_finished_towers = s.iter().filter(|i| tower_solved(*i)).count();
num_finished_towers.hash(&mut hasher);
for x in s
.iter()
.filter(|i| !tower_solved(i) && i.height() != 0)
.enumerate()
{
x.hash(&mut hasher); x.hash(&mut hasher);
} }