[정렬] K번째 수

[프로그래머스] K번째수 

https://programmers.co.kr/learn/courses/30/lessons/42748

import java.util.*;

class Solution {
    public int[] solution(int[] array, int[][] commands) {

        List<Integer> answerList = new ArrayList<>();

        for(int[] command : commands){
            List<Integer> list = new ArrayList<>();
            for(int i=command[0]; i<=command[1]; i++){
                list.add( array[i-1] );
            }
            Collections.sort(list);
            answerList.add( list.get(command[2]-1) );
        }//for(command)


        int[] answerArr = new int[answerList.size()];
        for(int i=0; i<answerList.size(); i++){
            answerArr[i] = answerList.get(i);
        }

        return answerArr;
    }
}