3.5-Statistica valori

import java.util.*;
public class Teianu{
    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        int m = sc.nextInt();
        
        int n= sc.nextInt();
       
        int[][] matrix=new int[m][n];
        ArrayList<Integer> aList=new ArrayList<Integer>();
        int zeros=0;
        int ones=0;
        int twos=0;
        int threes=0;
        int fours=0;
        int fives=0;
        int sixs=0;
        int sevens=0;
        int eights=0;
        int nines=0;
        int sum=0;
        ArrayList<Double> Ha=new ArrayList<Double>();
        for(int i=0;i<m;i++){
            for(int j=0;j<n;j++){
                matrix[i][j]=sc.nextInt();
                sum+=matrix[i][j];
                if (matrix[i][j]==0){
                    zeros++;
                }
                if (matrix[i][j]==1){
                    ones++;
                }
               if (matrix[i][j]==2){
                    twos++;
                }
                if (matrix[i][j]==3){
                    threes++;
                }
                if (matrix[i][j]==4){
                    fours++;
                }
                if (matrix[i][j]==5){
                    fives++;
                }
                if (matrix[i][j]==6){
                    sixs++;
                }
                if (matrix[i][j]==7){
                    sevens++;
                }
                if (matrix[i][j]==8){
                    eights++;
                }
                 if (matrix[i][j]==9){
                    nines++;
                }
                
                }
                
            }
           
           aList.add(zeros);
           aList.add(ones);
           aList.add(twos);aList.add(threes);aList.add(fours);aList.add(fives);aList.add(sixs);aList.add(sevens);aList.add(eights);
        aList.add(nines);
            
            double d=0;
            
            double sumulita=0;
            for(int z=0;z<aList.size();z++){
                sumulita+=aList.get(z);
                
            }
            double medie=sumulita/10;
           
            for(int k=0;k<aList.size();k++){
                d=d + (Math.pow((aList.get(k)-medie),2));
              
            }
            d=Math.sqrt(d/10);
             
            int count=0;
            for(int x=0;x<aList.size();x++){
                     
                    if( (double)aList.get(x)>=d){
                        count++;
                    }
                }
            
            System.out.println(count);
        }
        
    }