[Programmers] n개 간격의 원소들 (JAVA, PYTHON)

https://school.programmers.co.kr/learn/courses/30/lessons/181888

프로그래머스

Algorithm

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Python

def solution(num_list, n):
    return num_list[::n]

Java

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