순서 바꾸기 : 문제 링크
#include <vector>
using namespace std;
vector<int> solution(vector<int> num_list, int n) {
vector<int> answer;
for(int i = n; i < num_list.size(); ++i) answer.push_back(num_list[i]);
for(int i = 0 ; i < n; ++i) answer.push_back(num_list[i]);
return answer;
}