pub mod leetcode21;
pub mod leetcode19;
pub mod leetcode206;
#[derive(PartialEq, Eq, Clone, Debug)]
pub struct ListNode {
pub val: i32,
pub next: Option<Box<ListNode>>
}
impl ListNode {
#[inline]
fn new(val: i32) -> Self {
ListNode {
next: None,
val
}
}
}