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// @Title: 从尾到头打印链表 (从尾到头打印链表 LCOF)
// @Author: 15816537946@163.com
// @Date: 2022-02-02 10:23:26
// @Runtime: 0 ms
// @Memory: 2.4 MB
impl Solution {
    pub fn reverse_print(mut head: Option<Box<ListNode>>) -> Vec<i32> {
        let mut res = Vec::new();
        loop {
            match head {
                Some(v) => {
                    res.push(v.val);
                    head = v.next;
                }
                None => break,
            }
        }
        res.reverse();
        res
    }
}