[프로그래머스/Java] Lv.0 5명씩

문제

 

 

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풀이

 

 

 

class Solution {
    public String[] solution(String[] names) {
        String[] answer = new String[(int)Math.ceil(names.length/5.0)];
        int idx = 0;
        for (int i = 0; i < answer.length; i++) {
            answer[i] = names[idx];
            idx += idx + 5 <= names.length ?  5 : 1;
        }
        return answer;
    }
}