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Dory 2024-03-07 09:52:20 -08:00
parent ab9d8fb2b1
commit e802d8dd91
1 changed files with 6 additions and 10 deletions
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16
day3/src/main.rs
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@ -8,21 +8,17 @@ fn main() {
let mut sum: u64 = 0; let mut sum: u64 = 0;
for line in input.lines() { for line in input.lines() {
let mut left_chars: HashSet<char> = HashSet::new(); let mut left_chars: HashSet<char> = HashSet::new();
let mut dupe_chars: HashSet<char> = HashSet::new();
for (i, c) in line.char_indices() { for (i, c) in line.char_indices() {
if i < line.len()/2 { if i < line.len()/2 {
left_chars.insert(c); left_chars.insert(c);
} else if left_chars.contains(&c) { } else if left_chars.contains(&c) {
dupe_chars.insert(c); if c >= 'a' && c <= 'z' {
} sum += (c as u64) - ('a' as u64) + 1;
} } else {
sum += (c as u64) - ('A' as u64) + 27;
for c in dupe_chars { }
if c >= 'a' && c <= 'z' { break;
sum += (c as u64) - ('a' as u64) + 1;
} else {
sum += (c as u64) - ('A' as u64) + 27;
} }
} }
} }