10866번 덱 문제풀이 #include #include #include using namespace std; void fast_io(void) { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } int main(void) { fast_io(); deque dq; int n; cin >> n; char order[15]; while (n--) { int x; cin >> order; if (!strcmp(order, "push_front")) { cin >> x; dq.push_front(x); } else if (!strcmp(order, "push_back")) { cin >> x; dq.push_back(x); } else if..