// Original C++ solution (slower):
#ifdef LOCAL

#define _GLIBCXX_DEBUG

#endif

#include<bits/stdc++.h>

using namespace std;

#define rep(i,s,t) for(ll i = (ll)(s); i < (ll)(t); i++)

#define rrep(i,s,t) for(ll i = (ll)(s-1);(ll)(t) <= i; i--)

#define all(x) (x).begin(), (x).end()

typedef long long ll;

typedef long double ld;

typedef pair<ll,ll> Pll;

typedef vector<ll> vl;

typedef vector<vl> vvl;

typedef vector<vvl> vvvl;

constexpr ll INF = numeric_limits<ll>::max()/4;

constexpr ll n_max = 2e5+10;

#define int ll



template <typename A, typename B>

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

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

string to_string(const char c) {return to_string((string) &c);}

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

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) + ")";}



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



template<class T>

bool chmax(T &a, T b){if(a < b){a = b; return true;} return false;}

template<class T>

bool chmin(T &a, T b){if(a > b){a = b; return true;} return false;}



const int MAX_ROW = 510;

const int MAX_COL = 510;

struct BitMatrix {

    int H, W;

    bitset<MAX_COL> val[MAX_ROW];

    BitMatrix(int h = 1, int w = 1):H(h), W(w) {};

    inline bitset<MAX_COL> &operator[] (int i) {return val[i];};

};



int GaussJordan(BitMatrix &A, bool is_extended = false) {

    int rank = 0;

    for(int col = 0; col < A.W; col++){

        if(is_extended && col == A.W - 1) break;

        int pivot = -1;

        for(int row = rank; row < A.H; row++){

            if(A[row][col]) {

                pivot = row;

                break;

            }

        }

        if(pivot == -1) continue;

        swap(A[pivot], A[rank]);

        for(int row = 0; row < A.H; row++){

            if(row != rank && A[row][col])A[row] ^= A[rank];

        }

        ++rank;

    }

    return rank;

}



int linear_equation(BitMatrix A, vector<int> b, vector<int> &res) {

    int m = A.H, n = A.W;

    BitMatrix M(m, n+1);

    for(int i = 0; i < m; i++){

        for(int j = 0; j < n; j++) M[i][j] = A[i][j];

        M[i][n] = b[i];

    }

    int rank = GaussJordan(M, true);



    // no solution

    for(int row = rank; row < m; row++) if(M[row][n]) return -1;



    // answer

    res.assign(n, 0);

    for(int i = 0; i < rank; i++) res[i] = M[i][n];

    return rank;

}



signed main(){

    cin.tie(nullptr);

    ios::sync_with_stdio(false);

    ll q; cin >> q;

    const int LOG = 64;

    while(q--) {

        ll n; cin >> n;

        vector<ll> a(n);

        rep(i,0,n) cin >> a[i];

        string s;cin >> s;

        if(s[n-1] == '1'){

            cout << 1 << "\n";

            continue;

        }

        BitMatrix mat(LOG, n);

        ll col = 0;

        bool ok = true;

        rrep(i, n, 0){

            if(s[i] == '0'){

                rep(j,0,LOG) mat[j][col] = ((a[i] >> j) & 1);

                col++;

            }

            else{

                vector<ll> b(LOG), res(LOG);

                rep(j,0,LOG) b[j] = (a[i] >> j) & 1;

                ll a = linear_equation(mat, b, res);

                if(a == -1){

                    ok = false;

                }

            }

        }



        cout << (ok ? 0 : 1) << "\n";

    }

}

// Optimized solution to the same problem (faster):
#ifdef LOCAL

#define _GLIBCXX_DEBUG

#endif

#include<bits/stdc++.h>

using namespace std;

#define rep(i,s,t) for(ll i = (ll)(s); i < (ll)(t); i++)

#define rrep(i,s,t) for(ll i = (ll)(s-1);(ll)(t) <= i; i--)

#define all(x) (x).begin(), (x).end()

typedef long long ll;

typedef long double ld;

typedef pair<ll,ll> Pll;

typedef vector<ll> vl;

typedef vector<vl> vvl;

typedef vector<vvl> vvvl;

constexpr ll INF = numeric_limits<ll>::max()/4;

constexpr ll n_max = 2e5+10;

#define int ll



template <typename A, typename B>

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

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

string to_string(const char c) {return to_string((string) &c);}

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

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) + ")";}



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



template<class T>

bool chmax(T &a, T b){if(a < b){a = b; return true;} return false;}

template<class T>

bool chmin(T &a, T b){if(a > b){a = b; return true;} return false;}



ll solve(string &s, vector<ll> &a){

    ll n = a.size();

    vector<ll> basis;

    rrep(i,n,0){

        for(auto &x : basis) chmin(a[i], a[i] ^ x);

        if(a[i]){

            if(s[i] == '1') return 1;

            basis.emplace_back(a[i]);

        }



    }

    return 0;

}



signed main(){

    cin.tie(nullptr);

    ios::sync_with_stdio(false);

    ll q; cin >> q;

    while(q--){

        ll n; cin >> n;

        vector<ll> a(n);

        rep(i,0,n) cin >> a[i];

        string s;cin >> s;



        cout << solve(s, a) << "\n";

    }

}

// Fastest known solution for this problem: