题解 | #JAVA最小的K个数#

14ms：击败76%
900kb:击败96%

import java.util.*;
import java.util.ArrayList;

public class Solution {
    public ArrayList<Integer> GetLeastNumbers_Solution(int [] input, int k) {
        Arrays.sort(input);
        if(k>input.length)k=-1;
        ArrayList<Integer> arr=new ArrayList<>();
        for (int i = 0; i < k; i++) {
            arr.add(input[i]);
        }
        return arr;
    }
}