fn main() {
    let n: usize = input_a_value();
    let mut a: Vec<i32> = input_line();

    a.sort();
    let max = (a[0] - a[n - 1]).abs();

    let mut min = 2 * 100_000;
    for i in 1..n {
        min = std::cmp::min((a[i] - a[i - 1]).abs(), min);
    }
    println!("{}\n{}", min, max);
}

#[allow(unused)]
fn input_a_value<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}

#[allow(unused)]
fn input_line<T: std::str::FromStr>() -> Vec<T> {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim()
        .split_whitespace()
        .map(|e| e.parse().ok().unwrap())
        .collect()
}

#[allow(unused)]
fn input_matrix_num<T: std::str::FromStr>(n_lines: usize) -> Vec<Vec<T>> {
    (0..n_lines).map(|_| input_line()).collect()
}

#[allow(unused)]
fn input_line_string() -> String {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().to_string()
}

#[allow(unused)]
fn input_line_vch() -> Vec<char> {
    input_line_string().chars().collect()
}

#[allow(unused)]
fn input_matrix_ch(n_lines: usize) -> Vec<Vec<char>> {
    (0..n_lines).map(|_| input_line_vch()).collect()
}