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Re:果然强人,榜样

Posted by fxlbest at 2005-10-25 14:30:49 on Problem 2640
In Reply To:Re:请牛人指点一下！！！好像不是仅仅能否构成空间三角形！！ Posted by:libanghui at 2005-10-10 22:50:07

> qsort下～很简单，想明白了就偷偷笑
> 
> qsort(a,n,sizeof(double),compar);
> 
> sum=0;flag=0;
> for(i=0;i<n-1;i++)
> {
> 	sum+=a[i];
> 		
> 	for(j=i+1;j<n;j++)
> 	if(a[j]<=sum)
> 	{	
> 　　　　　　　　　flag=1; goto out;
> 			
> 
> 	}
> ｝
> 
> 	out:
> 	if(flag)
> 		cout<<"YES"<<endl;
> 	else
> 		cout<<"NO"<<endl;
>

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