#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("Ofast")
 
// hloya template v26
 
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#include <bits/stdc++.h>
using namespace std;
 
bool dbg = 0;
  
clock_t start_time = clock();
#define current_time fixed<<setprecision(6)<<(ld)(clock()-start_time)/CLOCKS_PER_SEC
  
#define f first
#define s second
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define eb emplace_back
#define all(v) (v).begin(), (v).end()
#define sz(v) ((int)(v).size())
#define sqr(x) ((x) * (x))
 
#define ull unsigned long long
#define ll long long
#define ld long double
#define pii pair<int,int>
#define umap unordered_map<int, int>
 
#define files1 freopen("input.txt","r",stdin)
#define files2 freopen("output.txt","w",stdout)
#define files files1;files2
#define fast_io ios_base::sync_with_stdio(0);cin.tie(0)
 
// #define endl '\n'
#define ln(i,n) " \n"[(i) == (n) - 1]
 
void bad(string mes = "NO"){cout << mes;exit(0);}
void bad(int mes){cout << mes;exit(0);}
 
template<typename T>
string bin(T x, int st = 2){
    string ans = "";
    while (x > 0){
        ans += char('0' + x % st);
        x /= st;
    }
    reverse(ans.begin(), ans.end());
    return ans.empty() ? "0" : ans;
}
 
mt19937_64 mt_rand(
    chrono::system_clock::now().time_since_epoch().count()
);
 
template<typename T1, typename T2> inline bool upmax(T1& a, T2 b) { return (a < b ? (a = b, true) : false); }
template<typename T1, typename T2> inline bool upmin(T1& a, T2 b) { return (b < a ? (a = b, true) : false); }
 
// inline int popcount(int x){
//     int count = 0;
//     __asm__ volatile("POPCNT %1, %0;":"=r"(count):"r"(x):);
//     return count;
// }
  
template<typename T>
T input(){
    T ans = 0, m = 1;
    char c = ' ';
  
    while (!((c >= '0' && c <= '9') || c == '-')) {
        c = getchar();
    }
  
    if (c == '-')
        m = -1, c = getchar();
    while (c >= '0' && c <= '9'){
        ans = ans * 10 + (c - '0'), c = getchar();
    }
    return ans * m;
}
 
template<typename T>
T gcd (T a, T b) { while (b) { a %= b; swap (a, b); } return a; }
  
template<typename T> void read(T& a) { a = input<T>(); }
template<typename T> void read(T& a, T& b) { read(a), read(b); }
template<typename T> void read(T& a, T& b, T& c) { read(a, b), read(c); }
template<typename T> void read(T& a, T& b, T& c, T& d) { read(a, b), read(c, d); }
 
const int inf = 1e9 + 20;
const short short_inf = 3e4 + 20;
const long double eps = 1e-12;
const int maxn = (int)3e5 + 3, base = 998244353;
const ll llinf = 2e18 + 5;
const int mod = 1e9 + 7;

int binpow (int a, int n) {
    int res = 1;
    while (n) {
        if (n & 1)
            res = 1ll * res * a % base;
        a = 1ll * a * a % base;
        n >>= 1;
    }
    return res;
}


int gauss (vector<unsigned long long> a, int n, int m=64) {    
    int rank = m;
    vector<char> line_used (n);
    for (int i=0; i<m; ++i) {
        int j;
        for (j=0; j<n; ++j)
            if (!line_used[j] && (a[j] & (1ULL << i)))
                break;
        if (j == n)
            --rank;
        else {
            line_used[j] = true;
            for (int k=0; k<n; ++k)
                if (k != j && (a[k] & (1ULL << i)))
                    a[k] ^= a[j];
        }
    }
    return rank;
}


int main() {
    // files1;
    fast_io;

    int t;
    cin >> t;

    while (t--) {
        int n;
        cin >> n;
        vector<unsigned long long> a(n);
        for (int i = 0; i < n; i++) {
            cin >> a[i];
        }
        string s;
        cin >> s;

        vector<unsigned long long> data;
        int ans = 0;
        for (int i = n - 1; i >= 0; i--) {
            if (s[i] == '0') {
                data.push_back(a[i]);
            } else {
                int cr = gauss(data, data.size());
                data.push_back(a[i]);
                int nr = gauss(data, data.size());
                data.pop_back();

                if (cr != nr) {
                    ans = 1;
                    break;
                }
            }
        }
        cout << ans << "\n";
    }
    return 0;
}


Measured memory_bytes: 3604