#include<set>
#include<cstdio>
#include<cstdlib>
#include<algorithm>
using namespace std;
set<int> check;
int main(){
    int T;
    scanf("%d",&T);
    while(T--){
        int n,ans=0,x;
        scanf("%d",&n);
        for(int i=0;i<n;i++){
            scanf("%d",&x);
            if(check.count(x)){
                check.clear();
                ans++;
            }
            check.insert(x);
        }
        ans++;
        check.clear();
        printf("%d\n",ans);
    }
    return 0;
}