#include #include using namespace std; bool isExist(int x, int L[], int size) { // binsearch int begin = 0; int end = size - 1; int mid; int sep; while (begin <= end) { mid = (begin + end) / 2; sep = L[mid]; if (x == sep) { return true; } else if (x < sep) { end = mid - 1; } else { begin = mid + 1; } } return false; } int main() { int N, M; ios::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); cin >> N; int A[N]; for (int i = 0; i < N; i++) { cin >> A[i]; } sort(A, A + N); cin >> M; int x; for (int i = 0; i < M; i++) { cin >> x; if (isExist(x, A, N)) { cout << "1\n"; } else { cout << "0\n"; } } return 0; }