字符串分类

import java.util.ArrayList;import java.util.List;import java.util.Scanner;public class Main {//  需要写入的    public static void main(String[] args) {        Scanner in = new Scanner(System.in);//输入        while (in.hasNextInt()) {//注意while处理多个case            int N = in.nextInt();//输入整数            String string="";            List<String> str_list=new ArrayList<String>();            for (int i = 0; i <= N; i++) {            string=in.nextLine();            str_list.add(string);}            int ans=0;            for (int m = 0; m < str_list.size(); m++) {for (int n = m; n < str_list.size(); n++) {if(!str_list.get(m).equals(str_list.get(n))){ans++;}}}            ans/=10;            System.out.println(ans);//输出        }    }}

未通过

20%