寻找水王

package waterking;

import java.util.Scanner;
/*
 * 寻找水王
 */
public class king {
    public static void main(String[] args) {
        int[] a = null;//存储帖子id
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入帖子总个数：");
        int sum = sc.nextInt();
        a = new int[sum];
        System.out.println("输入每个帖子的id：");
        for(int i = 0;i < sum;i++)
        {
            a[i] = sc.nextInt();
        }
        sc.close();
        int id = 0;
        int c=0;


        
        for(int i=0;i<a.length;i++)
        {
            if(c==0) {
                id=a[i];
                c=1;
            }else if(c>0){
                if(a[i]==id) {
                    c=c+1;
                }else if(a[i]!=id){
                    c=c-1;
                }
            }
          
        }
        System.out.println("水王的ID为 : " + id);
        
    }

    
}