#include <bits/stdc++.h>
#include <boost/range/algorithm.hpp>
#include <boost/range/numeric.hpp>
#include <boost/integer/common_factor.hpp>
#include <boost/integer/common_factor_rt.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <boost/multiprecision/cpp_int.hpp>

using std::string;
using std::vector;
using std::set;
using std::multiset;
using std::unordered_set;
using std::map;
using std::multimap;
using std::unordered_map;
using std::pair;
using std::cin;
using std::cout;

using boost::multiprecision::cpp_int;
using cpp_dec_float_1000 = boost::multiprecision::number<boost::multiprecision::cpp_dec_float<1000, boost::int128_type>>;

typedef uintmax_t    ull;
typedef intmax_t     ll;
typedef uint64_t     ul;
typedef uint32_t     ui;
typedef uint8_t      uc;

constexpr char CRLF  = '\n';
constexpr char SPACE = ' ';
constexpr char VECTOR_COUT_SEPARATOR = SPACE;
constexpr ll INF = 1000'000'007;
constexpr int MOD = 1000'000'007;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> std::ostream& operator<< (std::ostream& os, const std::vector<T>& vc) { for(auto it = vc.begin(); it != vc.end(); ++it) { if (std::next(it) == vc.end()) os << *it; else os << *it << VECTOR_COUT_SEPARATOR; } return os; }
template<class T1, class T2> inline std::ostream & operator<< (std::ostream & os, const std::pair<T1, T2> & p) { return os << p.first << ' ' << p.second; }
template<class T> T modinv(T a, T m) { T b = m, u = 1, v = 0; while (b) { T t = a / b; a -= t * b; boost::swap(a, b); u -= t * v; boost::swap(u, v); } u %= m; if (u < 0) u += m; return u; }
template<class T> inline bool isSosuu(const T& n) { if (n == T(1)) { return false; } for (T i = 2; i*i <= n; ++i) { if (n % i == 0) { return false; } } return true; }
template<class T> vector<vector<T>> split (const vector<T>& S, T delim) { vector<vector<T>> ret{}; vector<T> buff{}; for (auto c : S) { if (c == delim) { if (!buff.empty()) ret.push_back(buff); buff.clear(); } else { buff.push_back(c); } } if (!buff.empty()) ret.push_back(buff); return ret; }
template<class T> inline void printYesNo(const T& t) { cout << (t ? "Yes" : "No") << CRLF; }
template<class T = int64_t> T modpow(T N, T P, T M) { T ret{1}; N %= M; while (P) { if (P & 0x01) { ret *= N; ret %= M; } P >>= 1; N *= N; N %= M; } return ret; }


template<class T = uint64_t>
class GaussianEliminationXor
{
private:
  std::set<T> matrix;

  T calc_ (T element) {
    std::vector<T> buff(matrix.rbegin(), matrix.rend());
    for (const auto& row : buff) {
      chmin(element, element ^ row);
    }
    return element;
  }
public:
  GaussianEliminationXor() : matrix() {}

  bool add(T element) {
    if (!(element = calc_(element))) {
      return false;
    }
    matrix.emplace(element);
    return true;
  }

  /**
   * @brief 基底を掃き出す
   * @return 基底
   * @retval 0 this->matrixの部分集合に対するXOR和によってelementが生成される
   */
  T operator() (T element) {
    return calc_(element);
  }
};

void task(void)
{
  int N; cin >> N;
  vector<ull> A(N);
  for (auto& a : A) { cin >> a; }
  string S; cin >> S;
  GaussianEliminationXor<ull> ge{};
  for (int i = N - 1; i >= 0; --i) {
    auto a = A[i];
    if (S[i] == '1') {
      if (ge(a)) {
        cout << 1 << CRLF;
        return;
      }
    } else {
      ge.add(a);
    }
  }
  cout << 0 << CRLF;
  return;
}

void solve(void)
{
  int T; cin >> T;
  for (int _ = 0; _ < T; ++_) {
    task();
  }
  return;
}

int main(void)
{
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(0);

  solve();

  return 0;
}


Measured memory_bytes: 3616