include
include<bits/stdc++.h>
include
include
using namespace std;
int main(){ int t; cin>>t;
while(t--){ int n; cin>>n; vector<int> a(n); for(int i=0; i<n; i++){ cin>>a[i]; } sort(a.rbegin(), a.rend()); int mx = 0; for(int i=0; i<n; i++){ if(a[i] > mx){ mx = a[i]; a[i]=0; } else{ break; } } bool alice = false; for(int i=0; i<n; i++){ if(a[i] != 0){ alice = true; break; } } if(alice){ cout<<"YES"<<endl; } else{ cout<<"NO"<<endl; } } return 0;
}