题解 | #输入n个整数，输出其中最小的k个#

import java.util.Scanner;

// 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 in = new Scanner(System.in);
        String s1 = in.nextLine();
        String s2 = in.nextLine();
        String[] s1n = s1.split(" ");
        String[] s2n = s2.split(" ");
        int n = Integer.parseInt(s1n[0]);
        int k = Integer.parseInt(s1n[1]);
        Integer[] sn = new Integer[n];
        String[] sk = new String[k];
        for(int i = 0;i<n;i++){
            sn[i] = Integer.parseInt(s2n[i]);
        }
        for(int i = 0;i<n;i++){
            for(int j=i;j<n;j++){
                int temp;
                if(sn[i]>sn[j]){
                    temp = sn[i];
                    sn[i] = sn[j];
                    sn[j] = temp;
                }
            }
        }
        for(int i =0;i<k;i++){
            sk[i] = String.valueOf(sn[i]);
        }
        String out = String.join(" ",sk);
        System.out.println(out);
    }
}