第二次寻找水王

import java.util.Scanner;
public class Test {
     
    public static void main(String[] args) {
       
        int length;
        int idnum[]={0,0,0};
        int ID[]={0,0,0};
        System.out.println("请输入总帖子数量：");
        Scanner in=new Scanner(System.in);
        length=in.nextInt();
        int curId[]=new int[length];
        System.out.println("请输入所有帖子的ID列表");
 
        for(int j=0;j<length;j++)
        {
            curId[j]=in.nextInt();
        }

        for(int i=0;i<length;i++)
        {
            if(idnum[0]==0&&curId[i]!=ID[1]&&curId[i]!=ID[2])
            {
                idnum[0]=1;
                ID[0]=curId[i];
            }
            else if(idnum[1]==0 && curId[i]!=ID[0] && curId[i]!=ID[2])
            {
                idnum[1]=1;
                ID[1]=curId[i];
            }
            else if(idnum[2]==0 && curId[i]!=ID[0] && curId[i]!=ID[1])
            {
                idnum[2]=1;
                ID[2]=curId[i];
            }
            else if(curId[i]!=ID[0] && curId[i]!=ID[1] && curId[i]!=ID[2])
            {
                idnum[0]--;
                idnum[1]--;
                idnum[2]--;
            }
            else if(curId[i]==ID[0])
            {
                idnum[0]++;
            }
            else if(curId[i]==ID[1])
            {
                idnum[1]++;
            }
            else if(curId[i]==ID[2])
            {
                idnum[2]++;
            }      
        }
        System.out.println("发帖最多的三个人ID为："+ID[0]+" "+ID[1]+" "+ID[2]);
    }
 
}

结果截图: