코딩테스트 연습 >정렬>k번째수

k번째 수.cs

//다차원 배열 길이 구하는방법:commands.GetLength(0) 을 몰라서 해맷음

using System;

public class Solution {
    public int[] solution(int[] array, int[,] commands) {
        int[] answer = new int[commands.GetLength(0)];
        int[] reArray = new int[] { 0, };


        
        for (int i = 0; i < commands.GetLength(0); i++)
        {
            reArray = new int[commands[i, 1] - commands[i, 0] + 1];

            for (int j = 0; j < commands[i, 1] - commands[i, 0] + 1; j++)
            {
                reArray[j] = array[(commands[i, 0] + j - 1)];
            }

            Array.Sort(reArray);
            answer[i] = reArray[commands[i, 2] - 1];
        }
        return answer;
    }
}