User: sentry

sentry

December 5, 2021

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I'm late but I wanted to give it a try anyway! Part 1 (Rust) fn main() { let mut x = 0; let mut y = 0; include_str!("../../input") .lines() .map(|line| line.split_once(' ').unwrap()...

I'm late but I wanted to give it a try anyway!

Part 1 (Rust)

fn main() {
    let mut x = 0;
    let mut y = 0;
    include_str!("../../input")
        .lines()
        .map(|line| line.split_once(' ').unwrap()
        .for_each(|cmd| match cmd.0.chars().nth(0).unwrap()
            'u' => y = y - cmd.1.parse::<i32>().unwrap()
            'd' => y = y + cmd.1.parse::<i32>().unwrap()
            'f' => x = x + cmd.1.parse::<i32>().unwrap()
            _ => panic!("Invalid direction"),
        });
    println!("position = {}", x * y);
}

Part 2 (Rust)

fn main() {
    let mut aim = 0;
    let mut x = 0;
    let mut y = 0;
    include_str!("../../input")
        .lines()
        .map(|line| line.split_once(' ').unwrap()
        .for_each(|cmd| match cmd.0.chars().nth(0).unwrap()
            'u' => aim = aim - cmd.1.parse::<i32>().unwrap()
            'd' => aim = aim + cmd.1.parse::<i32>().unwrap()
            'f' => {
                x = x + cmd.1.parse::<i32>().unwrap()
                y = y + aim * cmd.1.parse::<i32>().unwrap()
            }
            _ => panic!("Invalid direction"),
        });
    println!("position = {}", x * y);
}

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