#include <bits/stdc++.h>
#include <cassert>
using std::cin, std::cout, std::bitset, std::complex;
using std::vector, std::array, std::string, std::pair, std::list, std::queue;
using std::priority_queue, std::set, std::map, std::unordered_map;
using std::sort, std::min, std::max, std::reverse;
using std::min_element, std::max_element, std::accumulate;

using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>;
using ull = unsigned long long int;
using ll = long long int;
using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
using P = pair<int, int>;
using Pll = pair<ll, ll>;
using cdouble = complex<double>;

const double eps = 1e-7;
#define Loop(i, n) for(int i = 0; i < int(n); i++)
#define Loopll(i, n) for(ll i = 0; i < ll(n); i++)
#define Loop1(i, n) for(int i = 1; i <= int(n); i++)
#define Loopll1(i, n) for(ll i = 1; i <= ll(n); i++)
#define Loopr(i, n) for(int i = int(n) - 1; i >= 0; i--)
#define Looprll(i, n) for(ll i = ll(n) - 1; i >= 0; i--)
#define Loopr1(i, n) for(int i = int(n); i >= 1; i--)
#define Looprll1(i, n) for(ll i = ll(n); i >= 1; i--)
#define Foreach(buf, container) for(const auto &buf : container)
#define Foreachr(buf, container)  for(const auto &buf : reversed(container))
#define Loopdiag(i, j, h, w, sum) for(int i = ((sum) >= (h) ? (h) - 1 : (sum)), j = (sum) - i; i >= 0 && j < (w); i--, j++)
#define Loopdiagr(i, j, h, w, sum) for(int j = ((sum) >= (w) ? (w) - 1 : (sum)), i = (sum) - j; j >= 0 && i < (h); j--, i++)
#define Loopdiagsym(i, j, h, w, gap) for (int i = ((gap) >= 0 ? (gap) : 0), j = i - (gap); i < (h) && j < (w); i++, j++)
#define Loopdiagsymr(i, j, h, w, gap) for (int i = ((gap) > (h) - (w) - 1 ? (h) - 1 : (w) - 1 + (gap)), j = i - (gap); i >= 0 && j >= 0; i--, j--)
#define Loopitr(itr, container) for(auto itr = container.begin(); itr != container.end(); itr++)
#define quickio() std::ios::sync_with_stdio(false); std::cin.tie(0);
#define bitmanip(m,val) static_cast<bitset<(int)m>>(val)
#define Comp(type_t) bool operator<(const type_t &another) const
#define fst first
#define snd second
bool feq(double x, double y) { return abs(x - y) <= eps; }
bool inrange(ll x, ll t) { return x >= 0 && x < t; }
bool inrange(vll xs, ll t) { Foreach(x, xs) if (!(x >= 0 && x < t)) return false; return true; }
int ceillog2(ll x) { int m = int(log2(x)); return m + ((1LL << m) < x ? 1 : 0); }
int floorlog2(ll x) { int m = int(log2(x)); return m - ((1LL << m) > x ? 1 : 0); }
const string endl = "\n";
template<class T> T reversed(T container) { reverse(container.begin(), container.end()); return container; }
template<class T> void printv(const vector<T> &v) { for (const T &x : v) cout << x << " "; cout << endl; }
template<class T> void printmx(const vector<vector<T>> &mx) { for (const vector<T> &v : mx) printv(v); }
ll rndf(double x) { return (ll)(x + (x >= 0 ? 0.5 : -0.5)); }
ll floorsqrt(ll x) { ll m = (ll)sqrt((double)x); return m + (m*  m <= x ? 0 : -1); }
ll ceilsqrt(ll x) { ll m = (ll)sqrt((double)x); return m + (x <= m * m ? 0 : 1); }
ll rnddiv(ll a, ll b) { return (a / b + (a % b * 2 >= b ? 1 : 0)); }
ll ceildiv(ll a, ll b) { return (a / b + (a % b == 0 ? 0 : 1)); }
ll gcd(ll m, ll n) { if (n == 0) return m; else return gcd(n, m % n); }
ll lcm(ll m, ll n) { return ll(m) * ll(n) / gcd(m, n); }

//========================================================================//

class Bitwise_Basis {
private:
	vector<ull> basis;
	void add_element_to_basis(vector<ull> &basis, ull x) {
		if (x == 0) return;
		Loop(i, basis.size()) {
			ull y = basis[i];
			ull x_lower = x & ull(-ll(x));
			ull y_lower = y & ull(-ll(y));
			if (x_lower == y_lower) {
				x ^= y;
			}
			else if (x_lower < y_lower) {
				std::swap(x, basis[i]);
			}
			if (x == 0) return;
		}
		if (x != 0) basis.push_back(x);
	}
public:
	void add_element(ull x) {
		add_element_to_basis(this->basis, x);
	}
	bool is_independent(const ull x) {
		vector<ull> basis_bckup = basis;
		size_t rank_bef = basis_bckup.size();
		add_element_to_basis(basis_bckup, x);
		size_t rank_aft = basis_bckup.size();
		if (rank_bef < rank_aft) return true;
		else return false;
	}
	int get_rank() {
		return int(basis.size());
	}
};

int solve(int n, vll &a, string &s) {
	Bitwise_Basis bb;
	Loopr(i, n) {
		if (s[i] == '0') {
			bb.add_element(a[i]);
		}
		else {
			if (bb.is_independent(a[i])) {
				return 1;
			}
		}
	}
	return 0;
}

int main() {
	quickio();
	int T; cin >> T;
	Loop(_, T) {
		int n; cin >> n;
		vll a(n); Loop(i, n) cin >> a[i];
		string s; cin >> s;
		cout << solve(n, a, s) << endl;
	}
}

Measured memory_bytes: 3624