tri.cpp

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*/                              
#include<bits/stdc++.h>
using namespace std;
 
#define fastio ios_base::sync_with_stdio(0); cin.tie(0)
#define LL long long 
#define mod 1000000007 
#define all(v) v.begin(),v.end()
#define pr(v) pair<v,v>
#define pb push_back
#define FOR(i, j, k) for (auto i=j ; i<k ; i++)
#define ROF(i, j, k) for (auto i=j ; i>=k ; i--) 
#define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false); debug("%s time : %.4fs", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))

const long long INF = 1e18;
const long long MAX = 2e5+10;

struct tri
{
    tri *children[26];
    bool end;
};

tri *newNode(){
    tri *node = new  tri;
    node->end=false;
    FOR(i,0,26) node->children[i]=NULL;
    return node;
}

void insert(tri* root , string s){
    tri *trav = root;
    FOR(i,0,s.size()){
        int v = s[i]-'a';
        if(!trav->children[v]) 
            trav->children[v] =   newNode();
        trav = trav->children[v];
    }
    trav->end= true;
}

bool search (tri *root,string s){
    tri *trav = root;
    FOR(i,0,s.size()) {
        int v =s[i]-'a';
        if(!trav->children[v]) return false;
        trav = trav->children[v];
    }
    return trav->end;
}

int main(){
    fastio;
    int t=1; cin>>t;
    while(t--){
        int n; cin>>n; 
        vector<string>v(n);
        FOR(i,0,n) cin>>v[i];
        tri *root = new tri;
        FOR(i,0,n ) insert(root,v[i]);
        string k; cin>>k;
        if( search(root,k)) cout<<"1\n";
        else cout<<"0\n";
    }
}