2 3 4 1 1 5 5 4 3 2 1
No YesPlease use function scanfHintHint
#include<stdio.h>
int main()
{
int T;
scanf("%d",&T);
while(T--)
{
double sum=0;int N,max=-1,t;
scanf("%d",&N);
for(int i=0;i<N;i++)
{
scanf("%d",&t);
sum+=t;
if(t>max)
max=t;
}
sum-=max;
if(sum>=max-1)
printf("Yes\n");
else
printf("No\n");
}
return 0;
}
原文：http://blog.csdn.net/lsgqjh/article/details/44763557