[Programmers] 5명씩 (JAVA, PYTHON)

https://school.programmers.co.kr/learn/courses/30/lessons/181886

프로그래머스

Algorithm

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Python

def solution(names):
    return names[::5]

Java

class Solution {
    public String[] solution(String[] names) {
        int idx = 0;
        String[] answer = new String[names.length % 5 == 0 ? names.length / 5 : names.length / 5 + 1];
        for (int i = 0;i < names.length;i+=5)
            answer[idx++] = names[i];
        return answer;
    }
}

import java.util.ArrayList;
import java.util.List;

class Solution {
    public String[] solution(String[] names) {
        List<String> list = new ArrayList<>();
        for (int i = 0; i < names.length; i+=5) {
          list.add(names[i]);
        }
        return list.toArray(new String[0]);
    }
}