[프로그래머스] 배열 조작하기(Arrays.copyOfRange)

https://school.programmers.co.kr/learn/courses/30/lessons/181893

프로그래머스

import java.util.*;

class Solution {
     
    public int[] solution(int[] arr, int[] query) {
          int[] answer = arr.clone();
        
        for(int i = 0; i< query.length; i++){
          int idx = query[i];

            if(i % 2 == 0){
                //짝수일 때
                answer = Arrays.copyOfRange(answer,0,query[i]+1);
            }else{
              answer = Arrays.copyOfRange(answer,query[i], answer.length);
            }
            
        }
   
        return answer;
    }
}