数据结构-双向循环链表-题解（Java代码）

import java.util.LinkedList;
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        LinkedList list = new LinkedList();
        while(scanner.hasNext()){
            int n = scanner.nextInt();
            if(n == 0){
                for (int i = 0; i < list.size(); i++){
                    System.out.println(list.get(i));
                }
            }else if(n == 1){
                int a = scanner.nextInt();
                int b = scanner.nextInt();
                list.add(a-1,b);
            }else if(n == 2){
                int a = scanner.nextInt();
                list.remove(a-1);
            }
        }
    }
}