Rust minmax function with array manipulation

minmax.rs

fn miniMaxSum(arr: &[i32]) {

    let len = arr.len();
    let mut list: Vec<i64> = vec![];

    for n in 0..len {
        let &sum = &arr.iter()
            .enumerate()
            .filter(|(index, &y)| !index.eq(&n))
            .map(|(i, &y)| i64::from(y))
            .sum::<i64>();

        list.push(sum);
    }

    let min = list.iter()
        .min_by(|x, y| x.cmp(y))
        .unwrap();

    let max = list.iter()
        .max_by(|x, y| x.cmp(y))
        .unwrap();
        
    println!("{min} {max}");
}

fn main() {
    let stdin = io::stdin();
    let mut stdin_iterator = stdin.lock().lines();

    let arr: Vec<i32> = stdin_iterator.next().unwrap().unwrap()
        .trim_end()
        .split(' ')
        .map(|s| s.to_string().parse::<i32>().unwrap())
        .collect();

    miniMaxSum(&arr);
}

https://doc.rust-lang.org/beta/rust-by-example/primitives/array.html