解题（第一个）

#include<bits/stdc++.h>
typedef long long LL;
#define int LL
using namespace std;
namespace fastIO
{
	inline char get_char()
	{
		char c=getchar();
		while(c<=32&&c!=EOF) c=getchar();
		return c;
	}
	inline int read()
	{
		int x=0,f=1;
		char c=getchar();
		for(;c<'0'||c>'9';c=getchar()){if(c=='-') f=-1;if(c==EOF) return c;}
		for(;c>='0'&&c<='9';c=getchar()) x=(x<<3)+(x<<1)+c-48;
		return x*f;
	}
	inline void write(int x)
	{
		if(x<0) putchar('-'),x=-x;
		if(x>9) write(x/10);
		putchar(x%10+48);
	}
	inline void file()
	{
		freopen(".in","r",stdin);
		freopen(".out","w",stdout);
	}
	inline void close()
	{
		fclose(stdin);
		fclose(stdout);
	}
	inline void fast()
	{
		ios::sync_with_stdio(false);
		cin.tie(NULL);
		cout.tie(NULL);
	}
}
using namespace fastIO;
namespace my
{
	int t;
	namespace T3
	{
		const int N=1e6+1;
		int n,a[N];
		inline void solve()
		{
			n=read();
			int sum=0;
			for(int i=1;i<=n;++i){
				a[i]=read();
				sum+=a[i];
			}
			if(sum>=n*2) puts("Yes");
			else puts("No");
		}
	}
	int main()
	{
		t=read();
		for(int i=1;i<=t;++i) T3::solve();
		return 0;
	}
}
signed main()
{
	my::main();
	return 0;
}