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Day 3 part 2

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This commit is contained in:
Yash Karandikar 2022-12-03 13:16:29 -06:00
parent 8dea79ddd6
commit 315f56f4c0
1 changed files with 5 additions and 5 deletions
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10
three.rs
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@ -3,12 +3,12 @@ fn main() {
let mut sum = 0u32;
for line in buf.split("\n") {
let (first, last) = line.split_at(line.len() / 2);
let mut seen_before = Vec::with_capacity(first.len());
for chunk in buf.split("\n").collect::<Vec<_>>().chunks_exact(3) {
let [line1, line2, line3] = chunk else { unreachable!() };
let mut seen_before = Vec::with_capacity(line1.len());
for c in first.chars() {
if last.contains(c) && !seen_before.contains(&c) {
for c in line1.chars() {
if !seen_before.contains(&c) && line2.contains(c) && line3.contains(c) {
let priority = if c.is_ascii_uppercase() {
(c as u8) - 65 + 27
} else {