K번째수

package programmers;

import java.util.Arrays;

public class K번째수 {

   public static int[] solution(int[] array, int[][] commands) {
      int[] answer = new int[commands.length];
      for (int i = 0; i < commands.length; i++) {
         int[] sliceArray = Arrays.copyOfRange(array, commands[i][0] - 1, commands[i][1]);
         Arrays.sort(sliceArray);
         answer[i] = sliceArray[commands[i][2] - 1];
      }

      return answer;
   }

   public static void main(String[] args) {
      System.out.println(
         Arrays.toString(solution(new int[] {1, 5, 2, 6, 3, 7, 4}, new int[][] {{2, 5, 3}, {4, 4, 1}, {1, 7, 3}})));
   }
}