卡码java基础课 | 7.摆平积木

import java.util.ArrayList;
import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        
        int n = sc.nextInt();
        while(n != 0){
            ArrayList<Integer> array = new ArrayList<Integer>();
            for (int i = 0; i < n ; i++ ){
                array.add(sc.nextInt());
            }
            int sum = 0;
            for(int a : array){
                sum += a;
            }
            int average = sum / array.size();
            int result = 0;
            for(int a : array){
                if(a > average){
                    result += a - average;
                }
            }
            System.out.println(result);
            System.out.println();
            n = sc.nextInt();
        }
        
        sc.close();
    }
}