Buggy python submission (verdict: Time Limit Exceeded):
def main():
    T = int(input())
    for _ in range(T):
        N = int(input())
        A = list(map(int, input().split()))
        S = input()

        dp = [set() for i in range(N+1)]
        # 人１がビットを最後に立てた後に０にできるなら０にならない
        L = max(A).bit_length()
        dp[-1].add(0)
        for i in range(N-1, -1, -1):
            k = int(S[i])
            # print(A[i], dp[i+1], k)
            if k:
                if A[i] in dp[i+1]:
                    dp[i] = dp[i+1]

                else:
                    break
            else:
                dp[i] |= dp[i+1]
                for x in dp[i+1]:
                    dp[i].add(x ^ A[i])
        # print(dp)
        if len(dp[0]) > 0:
            print(0)
        else:
            print(1)
main()

Fixed submission:
def main():
    T = int(input())
    for _ in range(T):
        N = int(input())
        A = list(map(int, input().split()))
        S = input()
        L = max(A).bit_length()
        s = [0]*L
        ID = A.index(max(A))

        def check(x):
            for i in range(L-1, -1, -1):
                if (x >> i) % 2:
                    x ^= s[i]
            return(x == 0)

        def update(x):
            flag = False
            if x.bit_length() == 60:
                flag = True
            for i in range(L-1, -1, -1):
                if (x >> i) % 2:
                    x ^= s[i]
            id = x.bit_length() - 1
            if id >= 0:
                s[id] = x

        res = 0
        L2 = 0
        for i in range(N-1, -1, -1):
            k = int(S[i])
            if k:
                if check(A[i]):
                    continue
                else:
                    res = 1
                    break
            else:
                L2 = max(L2, A[i].bit_length())
                update(A[i])
        print(res)



main()

Buggy python submission (verdict: Time Limit Exceeded):
T = int(input())
for _ in range(T):
    N = int(input())
    A = list(map(int, input().split()))
    S = input()

    dp = [set() for i in range(N+1)]
    # 人１がビットを最後に立てた後に０にできるなら０にならない
    L = max(A).bit_length()
    dp[-1].add(0)
    for i in range(N-1, -1, -1):
        k = int(S[i])
        # print(A[i], dp[i+1], k)
        if k:
            if A[i] in dp[i+1]:
                dp[i] = dp[i+1]

            else:
                break
        else:
            dp[i] |= dp[i+1]
            for x in dp[i+1]:
                dp[i].add(x ^ A[i])
    # print(dp)
    if len(dp[0]) > 0:
        print(0)
    else:
        print(1)


Fixed submission:
def main():
    T = int(input())
    for _ in range(T):
        N = int(input())
        A = list(map(int, input().split()))
        S = input()
        L = max(A).bit_length()
        s = [0]*L
        ID = A.index(max(A))

        def check(x):
            for i in range(L-1, -1, -1):
                if (x >> i) % 2:
                    x ^= s[i]
            return(x == 0)

        def update(x):
            flag = False
            if x.bit_length() == 60:
                flag = True
            for i in range(L-1, -1, -1):
                if (x >> i) % 2:
                    x ^= s[i]
            id = x.bit_length() - 1
            if id >= 0:
                s[id] = x

        res = 0
        L2 = 0
        for i in range(N-1, -1, -1):
            k = int(S[i])
            if k:
                if check(A[i]):
                    continue
                else:
                    res = 1
                    break
            else:
                L2 = max(L2, A[i].bit_length())
                update(A[i])
        print(res)



main()

Buggy python submission (verdict: Time Limit Exceeded):
T = int(input())
for _ in range(T):
    N = int(input())
    A = list(map(int, input().split()))
    S = input()

    dp = [set() for i in range(N+1)]
    # 人１がビットを最後に立てた後に０にできるなら０にならない
    L = max(A).bit_length()
    dp[-1].add(0)
    for i in range(N-1, -1, -1):
        k = int(S[i])
        # print(A[i], dp[i+1], k)
        if k:
            if A[i] in dp[i+1]:
                dp[i] = dp[i+1]

            else:
                break
        else:
            dp[i] |= dp[i+1]
            for x in dp[i+1]:
                dp[i].add(x ^ A[i])
    # print(dp)
    if len(dp[0]) > 0:
        print(0)
    else:
        print(1)


Fixed submission:
def main():
    T = int(input())
    for _ in range(T):
        N = int(input())
        A = list(map(int, input().split()))
        S = input()
        L = max(A).bit_length()
        s = [0]*L
        ID = A.index(max(A))

        def check(x):
            for i in range(L-1, -1, -1):
                if (x >> i) % 2:
                    x ^= s[i]
            return(x == 0)

        def update(x):
            flag = False
            if x.bit_length() == 60:
                flag = True
            for i in range(L-1, -1, -1):
                if (x >> i) % 2:
                    x ^= s[i]
            id = x.bit_length() - 1
            if id >= 0:
                s[id] = x

        res = 0
        L2 = 0
        for i in range(N-1, -1, -1):
            k = int(S[i])
            if k:
                if check(A[i]):
                    continue
                else:
                    res = 1
                    break
            else:
                L2 = max(L2, A[i].bit_length())
                update(A[i])
        print(res)



main()

Buggy python submission (verdict: Time Limit Exceeded):
def main():
    T = int(input())
    for _ in range(T):
        N = int(input())
        A = list(map(int, input().split()))
        S = input()

        dp = [[0, 0] for i in range(N)]
        # 人１がビットを最後に立てた後に０にできるなら０にならない
        L = max(A).bit_length()

        ret = 0

        B = [A[i] for i in range(N) if S[i] == '0']
        C = [A[i] for i in range(N) if S[i] == '1']

        s1 = set([0])
        s0 = set([0])

        for x in B:
            tmp = set()
            for y in s0:
                tmp.add(y ^ x)
            s0 |= tmp

        for x in C:
            tmp = set()
            for y in s1:
                tmp.add(y ^ x)
            s1 |= tmp

        if len(s1 - s0) > 0:
            print(1)
        else:
            print(0)


main()


Fixed submission:
def main():
    T = int(input())
    for _ in range(T):
        N = int(input())
        A = list(map(int, input().split()))
        S = input()
        L = max(A).bit_length()
        s = [0]*L
        ID = A.index(max(A))

        def check(x):
            for i in range(L-1, -1, -1):
                if (x >> i) % 2:
                    x ^= s[i]
            return(x == 0)

        def update(x):
            flag = False
            if x.bit_length() == 60:
                flag = True
            for i in range(L-1, -1, -1):
                if (x >> i) % 2:
                    x ^= s[i]
            id = x.bit_length() - 1
            if id >= 0:
                s[id] = x

        res = 0
        L2 = 0
        for i in range(N-1, -1, -1):
            k = int(S[i])
            if k:
                if check(A[i]):
                    continue
                else:
                    res = 1
                    break
            else:
                L2 = max(L2, A[i].bit_length())
                update(A[i])
        print(res)



main()