#include<cstdio>
#include<cstring>
#include<cmath>
#include<map>
#include<cstdlib>
#include<iostream>
#include<algorithm>
using namespace std;
#define INF 0xfffffff
#define MAXN 100010
long long a[MAXN];
map<long long,bool> ma;
int main()
{
#ifdef ONLINE_JUDGE
#else
    freopen("G:/cbx/read.txt","r",stdin);
//freopen("G:/cbx/out.txt","w",stdout);
#endif
    ios::sync_with_stdio(false);
    cin.tie(0);
    int t;
    cin>>t;
    while(t--)
    {
        int n;
        cin>>n;
         ma.clear();
        int ans=1;
        for(int i=0; i<n; ++i)
        {
            cin>>a[i];
        }
        for(int i=0; i<n; ++i)
        {
            if(!ma[a[i]])
                ma[a[i]]=true;
            else
            {
                ++ans;
                ma.clear();
                ma[a[i]]=true;
            }
        }
        cout<<ans<<endl;
    }
    return 0;
}