#include 
     
      #include 
      
       #include 
       
        #include 
        
         using namespace std;int main(){    int t,n,x;    long long maxn,all;    scanf("%d",&t);    while(t--)    {        maxn=0;all=0;        scanf("%d",&n);        for(int i=0;i
         
          x?maxn:x;            all+=x;        }        if(maxn > all - maxn + 1)            printf("No\n");        else printf("Yes\n");    }    return 0;}