#include<cstdio>
#include<algorithm>
#include<cstring>
#include<map>
#define LL long long
using namespace std;
int n;
map<LL,int> mp;
int main()
{
    int t;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%d",&n);
        mp.clear();
        int ans=1;
        for(int i=0;i<n;i++)
        {
            LL x;
            scanf("%I64d",&x);
            if(mp[x]==0)
                mp[x]=1;
            else
            {
                mp.clear();
                mp[x]=1;
                ans++;
            }
        }
        printf("%d\n",ans);
    }
    return 0;
 }