思路: 将需要移动的学生remove后再add 题目中说向前向后移动不会超过人数,也就是不会出现隔着的情况.所以不会越界. import java.util.ArrayList; import java.util.List; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = Integ…
import java.util.*; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int m = in.nextInt(); List a=new LinkedList<>(); ListIterator iterator=a.listIterator(); int p=0,q=0; for(int…
java.lang.RuntimeException: Invalid action class configuration that references an unknown class named [userRegisterAction]org.apache.struts2.convention.ConventionsServiceImpl.determineResultPath(ConventionsServiceImpl.java:100) 整合过程完毕,但是在转发视图是会出现这样的错…