fn main()

in contests/abc199/abc199_b.rs [6:26]

• 18 lines of code
• 3 McCabe index (conditional complexity)

fn main() {
    input! {
        N: usize,
        A: [u64; N],
        B: [u64; N]
    }

    let mut left = 0;
    let mut right = 1000;

    for i in 0..N {
        left = std::cmp::max(left, A[i]);
        right = std::cmp::min(right, B[i]);
    }

    if left <= right {
        println!("{}", right - left + 1);
    } else {
        println!("0");
    }
}