蓝桥杯 算法训练 删除数组零元素 JAVA

import java.util.ArrayList;import java.util.Scanner;class Main{public static void main(String[] args)  {Scanner sc = new Scanner(System.in);int n = sc.nextInt();sc.nextLine();ArrayList<Integer> list = new ArrayList<>();while(n-->0)list.add(sc.nextInt());for (int i = 0; i < list.size(); i++) {int t = list.get(i);if(t==0){list.remove(i);i--;}}System.out.println(list.size());String s = "";for (int i = 0; i < list.size(); i++) {s+=list.get(i)+" ";}System.out.println(s.trim());}}