#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <cstring>
#include <string>
#include <cmath>
#include <algorithm>
#include <map>
#include <vector>
using namespace std;
typedef long long LL;
typedef unsigned long long ULL;

const int MaxN = 1e5;
int n, m, T;
LL a[MaxN + 5];

int main()
{
    scanf("%d", &T);
    while(T--)
    {
        scanf("%d%d", &n, &m);
        LL sum = 0;
        for(int i = 1; i <= n; i++) scanf("%I64d", &a[i]), sum += a[i];
        for(int i = 1; i <= n; i++)
        {
            LL ans;
            scanf("%I64d", &ans);
            if(ans > sum) printf("1");
            else printf("0");
        }
        printf("\n");
    }
}