/**
 *    author:  tourist
 *    created: 07.06.2020 15:08:00       
**/
#include <bits/stdc++.h>

using namespace std;

template <typename A, typename B>
string to_string(pair<A, B> p);

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);

string to_string(const string& s) {
  return '"' + s + '"';
}

string to_string(const char* s) {
  return to_string((string) s);
}

string to_string(bool b) {
  return (b ? "true" : "false");
}

string to_string(vector<bool> v) {
  bool first = true;
  string res = "{";
  for (int i = 0; i < static_cast<int>(v.size()); i++) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(v[i]);
  }
  res += "}";
  return res;
}

template <size_t N>
string to_string(bitset<N> v) {
  string res = "";
  for (size_t i = 0; i < N; i++) {
    res += static_cast<char>('0' + v[i]);
  }
  return res;
}

template <typename A>
string to_string(A v) {
  bool first = true;
  string res = "{";
  for (const auto &x : v) {
    if (!first) {
      res += ", ";
    }
    first = false;
    res += to_string(x);
  }
  res += "}";
  return res;
}

template <typename A, typename B>
string to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}

template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
  return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}

void debug_out() { cerr << endl; }

template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  cerr << " " << to_string(H);
  debug_out(T...);
}

#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int tt;
  cin >> tt;
  while (tt--) {
    int n;
    cin >> n;
    vector<long long> a(n);
    for (int i = 0; i < n; i++) {
      cin >> a[i];
    }
    string s;
    cin >> s;
    vector<long long> b(61, 0);
    bool win = true;
    for (int it = n - 1; it >= 0; it--) {
      if (s[it] == '0') {
        for (int bit = 60; bit >= 0; bit--) {
          if (b[bit] != 0 && (a[it] & (1LL << bit))) {
            a[it] ^= b[bit];
          }
        }
        for (int bit = 60; bit >= 0; bit--) {
          if (b[bit] == 0 && (a[it] & (1LL << bit))) {
            b[bit] = a[it];
            for (int j = 0; j <= 60; j++) {
              if (j != bit && (b[j] & (1LL << bit))) {
                b[j] ^= b[bit];
              }
            }
            break;
          }
        }
        debug(b);
      } else {
        long long x = a[it];
        for (int bit = 60; bit >= 0; bit--) {
          if (b[bit] != 0 && (x & (1LL << bit))) {
            x ^= b[bit];
          }
        }
        debug(x);
        if (x != 0) {
          win = false;
          break;
        }
      }
    }
    cout << (win ? "0" : "1") << '\n';
  }
  return 0;
}


Measured memory_bytes: 3608