#include <iostream>
#include <cstring>
#include <cstdio>
#define LL long long
#define maxn 100005

using namespace std;

int n,m,T,a[maxn];

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