G - Subsequence Addition

#include <bits/stdc++.h>
 
using namespace std;
 
int main(){
    cin.tie(nullptr), ios::sync_with_stdio(false);
    int t;
    cin >> t;
    while(t--){
        int n;
        cin >> n;
        vector <int> c(n);
        for(int i = 0; i < n; i++) cin >> c[i];
        sort(c.begin(), c.end());
        long long int sum = 1;
        bool flag = true;
        if(c[0] != 1) flag = false;
        for(int i = 1; i < n; i++){
            if(c[i] > sum) flag = false;
            sum += c[i];
        }
 
        cout << (flag ? "Yes\n" : "No\n");
    }
}