#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define ALL(v) (v).begin(), (v).end()
using ll = long long;
using P = pair<int, int>;
constexpr int INF = 1e9;
constexpr long long LINF = 1e18;
constexpr long long MOD = 1e9 + 7;

void solve() {
    int n;
    cin >> n;
    ll a[n];
    rep(i, n) {
        cin >> a[i];
    }
    string s;
    cin >> s;
    reverse(a, a + n);
    reverse(ALL(s));
    vector<ll> bs;
    rep(i, n) {
        for (auto b : bs) {
            a[i] = min(a[i], a[i] ^ b);
        }
        if (s[i] == '0') {
            if (a[i] != 0) bs.emplace_back(a[i]);
        } else {
            if (a[i]) {
                cout << 1 << endl;
                return;
            }
        }
    }
    cout << 0 << endl;
}

signed main() {
    int tt;
    cin >> tt;
    while (tt--) {
        solve();
    }
    return 0;
}
#include <bits/stdc++.h>

#define debug(...) fprintf(stderr, __VA_ARGS__)

#ifndef AT_HOME
#define getchar() IO::myGetchar()
#define putchar(x) IO::myPutchar(x)
#endif

namespace IO {
	static const int IN_BUF = 1 << 23, OUT_BUF = 1 << 23;

	inline char myGetchar() {
		static char buf[IN_BUF], *ps = buf, *pt = buf;
		if (ps == pt) {
			ps = buf, pt = buf + fread(buf, 1, IN_BUF, stdin);
		}
		return ps == pt ? EOF : *ps++;
	}

	template<typename T>
	inline bool read(T &x) {
		bool op = 0;
		char ch = getchar();
		x = 0;
		for (; !isdigit(ch) && ch != EOF; ch = getchar()) {
			op ^= (ch == '-');
		}
		if (ch == EOF) {
			return false;
		}
		for (; isdigit(ch); ch = getchar()) {
			x = x * 10 + (ch ^ '0');
		}
		if (op) {
			x = -x;
		}
		return true;
	}

	inline int readStr(char *s) {
		int n = 0;
		char ch = getchar();
		for (; isspace(ch) && ch != EOF; ch = getchar())
			;
		for (; !isspace(ch) && ch != EOF; ch = getchar()) {
			s[n++] = ch;
		}
		s[n] = '\0';
		return n;
	}

	inline void myPutchar(char x) {
		static char pbuf[OUT_BUF], *pp = pbuf;
		struct _flusher {
			~_flusher() {
				fwrite(pbuf, 1, pp - pbuf, stdout);
			}
		};
		static _flusher outputFlusher;
		if (pp == pbuf + OUT_BUF) {
			fwrite(pbuf, 1, OUT_BUF, stdout);
			pp = pbuf;
		}
		*pp++ = x;
	}

	template<typename T>
	inline void print_(T x) {
		if (x == 0) {
			putchar('0');
			return;
		}
		static int num[40];
		if (x < 0) {
			putchar('-');
			x = -x;
		}
		for (*num = 0; x; x /= 10) {
			num[++*num] = x % 10;
		}
		while (*num){
			putchar(num[*num] ^ '0');
			--*num;
		}
	}

	template<typename T>
	inline void print(T x, char ch = '\n') {
		print_(x);
		putchar(ch);
	}

	inline void printStr_(const char *s, int n = -1) {
		if (n == -1) {
			n = strlen(s);
		}
		for (int i = 0; i < n; ++i) {
			putchar(s[i]);
		}
	}

	inline void printStr(const char *s, int n = -1, char ch = '\n') {
		printStr_(s, n);
		putchar(ch);
	}
}
using namespace IO;

const int N = 205;

int n;
long long a[N];
char s[N];

long long B[64];

bool insert(long long x) {
	for (int i = 59; ~i; --i) {
		if (x >> i & 1) {
			if (B[i]) {
				x ^= B[i];
			} else {
				B[i] = x;
				return true;
			}
		}
	}
	return false;
}

void solve() {
	read(n);
	for (int i = 1; i <= n; ++i) {
		read(a[i]);
	}
	for (int i = 0; i < 60; ++i) {
		B[i] = 0;
	}
	readStr(s + 1);
	for (int i = n; i; --i) {
		if (s[i] == '0') {
			insert(a[i]);
		} else {
			if (insert(a[i])) {
				print(1);
				return;
			}
		}
	}
	print(0);
}

int main() {
	int T = 1;
	read(T);
	while (T--) {
		solve();
	}
}
