[프로그래머스] 42748. K번째

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

프로그래머스

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import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;

class Solution {
    public int[] solution(int[] array, int[][] commands) {
        int[] answer = new int[commands.length];

        for (int i = 0; i < commands.length; i++) {

            ArrayList<Integer> arrayList = new ArrayList<Integer>();

            for (int j = commands[i][0] - 1; j <= commands[i][1] - 1; j++) {
                arrayList.add(array[j]);
            }

            Collections.sort(arrayList);
            answer[i] = arrayList.get(commands[i][2] - 1);
//            System.out.println(arrayList.toString());
//            System.out.println(answer[i]);
        }

//        System.out.println(answer.toString());

        return answer;
    }
}