B

#include <bits/stdc++.h>
using namespace std;

int main() {
    int t;
    cin>>t;

    while(t--){
        int n;
        cin>>n;

        vector<int> a(n);
        for(auto &e: a)
            cin>>e;

        int mmin = *min_element(a.begin(), a.end());

        if(a[0]>mmin || a[n-1]>mmin)        cout<<"NO\n";
        else                                cout<<"YES\n";
    }
}