40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
Rust
fn main() {
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let buf = std::fs::read_to_string("four.txt").unwrap();
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let mut count_contains = 0u32;
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let mut count_overlaps = 0u32;
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for line in buf.lines() {
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let (first, last) = line.split_once(',').unwrap();
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let (first_lower, first_upper) = first
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.split_once('-')
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.map(|(a, b)| (a.parse::<u32>().unwrap(), b.parse::<u32>().unwrap()))
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.unwrap();
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let (last_lower, last_upper) = last
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.split_once('-')
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.map(|(a, b)| (a.parse::<u32>().unwrap(), b.parse::<u32>().unwrap()))
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.unwrap();
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if contains(first_lower, first_upper, last_lower, last_upper)
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|| contains(last_lower, last_upper, first_lower, first_upper)
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{
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count_contains += 1;
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}
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if overlaps(first_lower, first_upper, last_lower, last_upper)
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|| overlaps(last_lower, last_upper, first_lower, first_upper)
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{
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count_overlaps += 1;
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}
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}
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println!("{}", count_contains);
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println!("{}", count_overlaps);
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}
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fn contains(a: u32, b: u32, c: u32, d: u32) -> bool {
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return (a..=b).contains(&c) && (a..=b).contains(&d);
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}
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fn overlaps(a: u32, b: u32, c: u32, d: u32) -> bool {
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return (a..=b).contains(&c) || (a..=b).contains(&d);
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}
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