Need help in this problem

help
1

I get 1 test case wa. Please help 

   import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
            Scanner  s=new   Scanner(System.in);
        int n=s.nextInt();
        int arr[]=new int[24];
        int  val=0,max=0;
        while(n-->0)
        {
            float temp=s.nextFloat();
            int a=(int)temp;
            arr[a]++;
            if(arr[a]>max)
            {
                max=arr[a];
                val=a;
            }
        }
        if(max==1)
            System.out.println(0);
        else
            System.out.println(val);
    }
}