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[rs] Clean up 2022_04

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This commit is contained in:
Joscha 2022-12-05 09:20:12 +01:00
parent 77a4689425
commit ff469b2afb
1 changed files with 10 additions and 7 deletions
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17
rs/src/y2022/d04.rs
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@ -1,26 +1,29 @@
fn int(str: &str) -> u32 {
str.parse().unwrap()
}
pub fn solve(input: String) {
let pairs = input
.lines()
.map(|l| {
let mut ranges = l.split(',').map(|p| {
let mut numbers = p.split('-').map(|n| n.parse::<u32>().unwrap());
(numbers.next().unwrap(), numbers.next().unwrap())
});
(ranges.next().unwrap(), ranges.next().unwrap())
let (r1, r2) = l.split_once(',').unwrap();
let (s1, e1) = r1.split_once('-').unwrap();
let (s2, e2) = r2.split_once('-').unwrap();
(int(s1), int(e1), int(s2), int(e2))
})
.collect::<Vec<_>>();
// Part 1
let score = pairs
.iter()
.filter(|((s1, e1), (s2, e2))| (s1 <= s2 && e2 <= e1) || (s2 <= s1 && e1 <= e2))
.filter(|(s1, e1, s2, e2)| (s1 <= s2 && e2 <= e1) || (s2 <= s1 && e1 <= e2))
.count();
println!("Part 1: {score}");
// Part 2
let score = pairs
.iter()
.filter(|((s1, e1), (s2, e2))| s1 <= e2 && s2 <= e1)
.filter(|(s1, e1, s2, e2)| s1 <= e2 && s2 <= e1)
.count();
println!("Part 2: {score}");
}