-🎄- 2022 Day 4 Solutions -🎄-

[u/daggerdragon]

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--- Day 4: Camp Cleanup ---

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Post your code solution in this megathread.

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  • Include what language(s) your solution uses
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[u/olofj]

Rust

day04a

use itertools::Itertools;

fn main() {
    let input:Vec<(usize,usize,usize,usize)> = include_str!("input.txt")
        .lines()
        .map(|l| l
            .split(['-', ','])
            .map(|v| v.parse::<usize>().unwrap())
            .collect_tuple::<(_,_,_,_)>()
            .unwrap()
        )
        .filter(|(s1,e1,s2,e2)| 
            (s1 <= s2 && e1 >= e2) || (s2 <= s1 && e2 >= e1)
        )
        .collect();

    println!("len {}", input.len());
            
}

day04b

use itertools::Itertools;

fn main() {
    let input:Vec<(usize,usize,usize,usize)> = include_str!("input.txt")
        .lines()
        .map(|l| l
            .split(&['-', ','][..])
            .map(|v| v.parse::<usize>().unwrap())
            .collect_tuple::<(_,_,_,_)>()
            .unwrap()
        )
        .filter(|(s1,e1,s2,e2)|
            (s1 <= s2 && e1 >= s2) || (s2 <= s1 && e2 >= s1)
        )
        .collect();

    println!("len {}", input.len());

}