문제 https://programmers.co.kr/learn/courses/30/lessons/42748 코딩테스트 연습 - K번째수 [1, 5, 2, 6, 3, 7, 4] [[2, 5, 3], [4, 4, 1], [1, 7, 3]] [5, 6, 3] programmers.co.kr 내 풀이 import java.util.*; class Solution { public int[] solution(int[] array, int[][] commands) { int[] answer = new int[commands.length]; int index = 0; List list = new ArrayList(); Arrays.stream(array).forEach(i -> list.add(i)); for (int..