import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.io.BufferedWriter;
import java.util.InputMismatchException;
import java.io.IOException;
import java.util.HashSet;
import java.io.Writer;
import java.io.OutputStreamWriter;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        OutputWriter out = new OutputWriter(outputStream);
        Partitions solver = new Partitions();
        solver.solve(1, in, out);
        out.close();
    }

    static class Partitions {
        public void solve(int testNumber, InputReader in, OutputWriter out) {
            int t = in.nextInt();
            while (t-- > 0) {
                int n = in.nextInt();
                long[] arr = in.readLongArray(n);
                long ss = 0;
                HashSet<Long> hs = new HashSet<>();
                for (int i = 0; i < arr.length; i++) {
                    ss += arr[i];
                    hs.add(ss);
                }
                char[] ret = new char[n];
                Arrays.fill(ret, '0');
                outer:
                for (int k = 1; k <= n; k++) {
                    long cs = 0;
                    if (ss % k != 0) continue;

                    while (cs != ss) {
                        cs += (ss / k);
                        if (!hs.contains(cs)) continue outer;
                    }
                    ret[k - 1] = '1';
                }
                out.println(new String(ret));
            }
        }

    }

    static class InputReader {
        private InputStream stream;
        private byte[] buf = new byte[1 << 16];
        private int curChar;
        private int numChars;

        public InputReader(InputStream stream) {
            this.stream = stream;
        }

        public long[] readLongArray(int tokens) {
            long[] ret = new long[tokens];
            for (int i = 0; i < tokens; i++) {
                ret[i] = nextLong();
            }
            return ret;
        }

        public int read() {
            if (this.numChars == -1) {
                throw new InputMismatchException();
            } else {
                if (this.curChar >= this.numChars) {
                    this.curChar = 0;

                    try {
                        this.numChars = this.stream.read(this.buf);
                    } catch (IOException var2) {
                        throw new InputMismatchException();
                    }

                    if (this.numChars <= 0) {
                        return -1;
                    }
                }

                return this.buf[this.curChar++];
            }
        }

        public int nextInt() {
            int c;
            for (c = this.read(); isSpaceChar(c); c = this.read()) {
                ;
            }

            byte sgn = 1;
            if (c == 45) {
                sgn = -1;
                c = this.read();
            }

            int res = 0;

            while (c >= 48 && c <= 57) {
                res *= 10;
                res += c - 48;
                c = this.read();
                if (isSpaceChar(c)) {
                    return res * sgn;
                }
            }

            throw new InputMismatchException();
        }

        public long nextLong() {
            int c;
            for (c = this.read(); isSpaceChar(c); c = this.read()) {
                ;
            }

            byte sgn = 1;
            if (c == 45) {
                sgn = -1;
                c = this.read();
            }

            long res = 0L;

            while (c >= 48 && c <= 57) {
                res *= 10L;
                res += (long) (c - 48);
                c = this.read();
                if (isSpaceChar(c)) {
                    return res * (long) sgn;
                }
            }

            throw new InputMismatchException();
        }

        public static boolean isSpaceChar(int c) {
            return c == 32 || c == 10 || c == 13 || c == 9 || c == -1;
        }

    }

    static class OutputWriter {
        private final PrintWriter writer;

        public OutputWriter(OutputStream outputStream) {
            writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream)));
        }

        public OutputWriter(Writer writer) {
            this.writer = new PrintWriter(writer);
        }

        public void print(Object... objects) {
            for (int i = 0; i < objects.length; i++) {
                if (i != 0) {
                    writer.print(' ');
                }
                writer.print(objects[i]);
            }
        }

        public void println(Object... objects) {
            print(objects);
            writer.println();
        }

        public void close() {
            writer.close();
        }

    }
}