test3.cpp

#include<iostream>
#include<vector>
using namespace std;
typedef long long ll;
#define ip(arr, n) for(int i=0; i<n; i++) cin>>arr[i];
#define ip1(arr, n) for(int i=1; i<=n; i++) cin>>arr[i];
#define op(arr, n) for(int i=0; i<n; i++) cout<<arr[i]<<" ";
#define fstIO ios_base::sync_with_stdio(false); cin.tie(NULL);
#define debug(x) cout<<x<<"\n";
#define inf 1e9
#define INF 1e16
#define MOD 1000000007

int soolve2(vector<int>arr,  int i, bool taken){
    if (i == arr.size())return 0;
    int opt1 = 
}

void solve(){
    int n;
    cin>>n;
    vector<int>arr(n);
    for(int i=0; i<n; i++) cin>>arr[i];
    int armor=0;
    cin>>armor;
    
    unordered_map<int, bool>m;
    for(int i: arr)m[i]

    reverse(arr.begin(), arr.end());
    dp[0] = 1;
    dp[i] = dp[i-1]+m, 
    return dp[n];
}

int main(){

    #ifndef ONLINE_JUDGE
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    #endif

    int t;
    cin>>t;
    while(t--){
        solve();
    }
    return 0;
}