#include <bits/stdc++.h>
using namespace std;
#define ll long long int
#define sorta(a) sort(a.begin(), a.end())
#define dsort(a) sort(a.begin(), a.end(), greater<int>())
#define yes cout << "YES" << endl
#define no cout << "NO" << endl
#define inp(a,b,c) ll a,b,c; cin>>a>>b>>c
#define in(a,b) ll a,b; cin>>a>>b
#define i(a) ll a; cin>>a
#define coutt(arr, n) for (ll i = 0; i < n; i++) { cout << arr[i] << " "; }
#define cinn(v, n) vector<ll> v(n,0); for (ll i = 0; i < n; i++) { cin >> v[i]; }
#define mpp(a) unordered_map<ll,ll> a
#define all(vec) vec.begin(), vec.end()

template <typename T>
void out(const T& a) { cout << a << '\n'; }
#ifndef ONLINE_JUDGE
#define debug(x) cerr << #x << " = "; _print(x); cerr << '\n'
#else
#define debug(x)
#endif
void _print(int t) { cerr << t; }
void _print(long long t) { cerr << t; }
void _print(string t) { cerr << '"' << t << '"'; }
void _print(char t) { cerr << '\'' << t << '\''; }
void _print(double t) { cerr << t; }
void _print(bool t) { cerr << (t ? "true" : "false"); }

template <typename T, typename V>
void _print(const pair<T, V>& p) { cerr << "{"; _print(p.first); cerr << ", "; _print(p.second); cerr << "}"; }
template <typename T>
void _print(const vector<T>& v) { cerr << "["; for (size_t i = 0; i < v.size(); i++) { _print(v[i]); if (i < v.size() - 1) cerr << ", "; } cerr << "]"; }
template <typename T>
void _print(const set<T>& s) { cerr << "["; for (auto it = s.begin(); it != s.end(); ++it) { _print(*it); cerr << " "; } cerr << "]"; }
template <typename T, typename V>
void _print(const map<T, V>& m) { cerr << "["; for (auto it = m.begin(); it != m.end(); ++it) { _print(*it); cerr << " "; } cerr << "]"; }
template <typename T, typename V>
void _print(const unordered_map<T, V>& m) { cerr << "["; for (auto it = m.begin(); it != m.end(); ++it) { _print(*it); cerr << " "; } cerr << "]"; }

using vi = vector<int>;
using vll = vector<ll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

static constexpr auto MOD = 1000000007;



void solve()
{ 
   i(n);
   
   cinn(arr,n);
       int cnt= 0;
   for(int i=0;i<n-1;i++){
     
     int curr = arr[i];
     int ahead= arr[i+1];
     
     int maxi = max(curr,ahead);
     int mini = min(curr,ahead);
 
     if(maxi>=2*mini) cnt++;
   }
   
    if(cnt == n-1) no;
     else yes;
   
}


int main() {
	// your code goes here
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
	ll testcase;
	cin>>testcase;
	while(testcase--)
	{  
            solve();
    }
}