腾讯20190407笔试大题3

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int m = in.nextInt();
        int[] arr = new int[n];
        for (int i = 0; i < n; i++) {
            arr[i] = in.nextInt();

        }
        Arrays.sort(arr);
        int i = 0;
        for (int j = 0; j < m; j++) {
            int min = 0;
            while (i < n && arr[i] == 0) {
                i++;
            }
            if (i == n) {
                System.out.println(0);
            }
            else {
                min = arr[i];
                System.out.println(min);
                for (int k = i; k < n; k++) {
                    arr[k] = Math.max(0, arr[k] - min);
                }
            }
        }
    }
}