题解 | #输入n个整数，输出其中最小的k个#

import java.util.Scanner;
import java.util.*;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        while (sc.hasNext()) {
            int n = sc.nextInt();
            int k = sc.nextInt();

            int[] arr = new int[n];

            for (int i = 0; i < n; i++) {
                arr[i] = sc.nextInt();
            }

            Arrays.sort(arr);

            for (int i = 0; i < k; i++) {
                System.out.print(arr[i] + " ");
            }

            System.out.println();
        }
    }
}