#include <bits/stdc++.h>
#define int ll
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define vec(...) vector<__VA_ARGS__>
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pii;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}

void slv(){
	int n;
	cin>>n;
	vi a(n);
	rep(i,n){
		cin>>a[i];
	}
	sort(all(a));
	int ans=0;
	multiset<int> mst;
	rep(i,n){
		int now=a[i]/2;
		while(sz(mst) and now){
			auto it=mst.begin();
			if(now>=*it){
				now-=*it;
				mst.erase(it);
				ans-=1;
			}else{
				break;
			}
		}
		ans+=1;
		mst.insert(a[i]);
	}
	print(ans);
}

signed main(){
	ios::sync_with_stdio(0),cin.tie(0);
	int t;
	cin>>t;
	rep(cs,t){
		slv();
	}
}