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 using System; using System.Linq; public class Solution { public int[] solution(int[] array, int[,] commands) { int[] answer = new int[commands.GetLength(0)]; for(int i = -1; ++i < answer.Length;) { int start = commands[i, 0] - 1; int end = c..