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Spectre 2024-12-03 02:47:17 +01:00
parent 83f51b4452
commit 3bff18f34f
7 changed files with 48 additions and 22 deletions
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20
aoc2023/src/day01.rs
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@ -1,5 +1,5 @@
use shared::{Answer, Solution};
use regex::{Regex};
use regex::Regex;
pub struct Day01;
@ -22,7 +22,7 @@ impl Solution for Day01 {
}
}
sum += 10 * first.expect(word) + last.expect(word)
sum += 10 * first.unwrap_or(0) + last.unwrap_or(0)
}
Answer::from(sum)
@ -40,23 +40,19 @@ impl Solution for Day01 {
).unwrap();
Answer::from(words.iter()
.map(|word| {10 * matches(&first.captures(&word).unwrap()) + matches(&last.captures(word).unwrap())})
.map(|word| {10 * matches(first.captures(word)) + matches(last.captures(word))})
.collect::<Vec<_>>()
.iter()
.sum::<u64>())
}
}
fn matches(cap: &regex::Captures) -> u64 {
fn matches(cap: Option<regex::Captures>) -> u64 {
if cap.is_none() { return 0} ;
for i in 1..10 {
if cap.get(i).is_some() { return i as u64 };
if cap.as_ref().unwrap().get(i).is_some() { return i as u64 };
}
return 0
}
#[test]
fn example() {
assert_eq!(Day01.part_1(load_test(2023, 1)?.as_str()), 142);
assert_eq!(Day01.part_2(load_test(2023, 1)?.as_str()), 281);
0
}