#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define MS(a) memset(a,0,sizeof(a))
#define MP make_pair
#define PB push_back
const int INF = 0x3f3f3f3f;
const ll INFLL = 0x3f3f3f3f3f3f3f3fLL;
inline ll read(){
    ll x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
    while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
    return x*f;
}
//////////////////////////////////////////////////////////////////////////
const int maxn = 1e5+10;

ll a[maxn];

map<ll,bool> mp;

int main(){
    int T = read();
    while(T--){
        mp.clear();
        int n = read(),ans=0;
        for(int i=0; i<n; i++){
            scanf("%I64d",&a[i]);
        }

        for(int i=0; i<n; i++){
            if(mp.count(a[i])) {
                ans++;
                mp.clear();
            }
            mp[a[i]] = 1;
        }

        cout << ans+1 << endl;
    }

    return 0;
}