n개 간격의 원소들.cpp

#include <string>
#include <vector>

using namespace std;

vector<int> solution(vector<int> num_list, int n) {
    vector<int> answer;
    
    for (int i = 0; i < num_list.size(); i += n)
    {
        answer.push_back(num_list[i]);
    }
    
    return answer;
}