[알고리즘문제풀기] 뒤에서 5등 위로

문제

내가 작성한 정답

for

import java.util.*;

class Solution {
    public int[] solution(int[] num_list) {
        Arrays.sort(num_list);
        int[] answer = new int[num_list.length-5];
        for(int i = 5; i<num_list.length; i++){
            answer[i-5] = num_list[i];
        }
        return answer;
    }
}

stream

import java.util.*;

class Solution {
    public int[] solution(int[] num_list) {
        return Arrays.stream(num_list).sorted().skip(5).toArray();
    }
}

class Solution {
    public int[] solution(int[] num_list) {
        return IntStream.of(num_list).sorted().skip(5).toArray();
    }

다른 사람들의 정답

Arrays.copyOfRange

import java.util.*;

class Solution {
    public int[] solution(int[] num_list) {
        Arrays.sort(num_list);
        return Arrays.copyOfRange(num_list, 5, num_list.length );
    }
}