#include #define INF 1000000001 #define MOD 1000000007 #define long long long #define all(x) x.begin(),x.end() using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n; cin >> n; vector arr(n); for(int i = 0; i> arr[i]; int l = min(22,n); vector res(n); vector vis(1<<22); for(int i = 0; i<(1<