题解 | #输出单向链表中倒数第k个结点#

import java.util.*;

public class Main{
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()){
            int n = sc.nextInt();
            List list = new ArrayList();
            for (int i = 0; i < n; i++) {
                list.add(i,sc.nextInt());
            }

            int k = sc.nextInt();
            System.out.println(list.get(n - k));
        }
        
    }
}