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Re:很奇怪的WA与AC

Posted by 1004101213 at 2012-05-16 21:25:35 on Problem 2128
In Reply To:很奇怪的WA与AC Posted by:Rieman at 2010-12-17 16:42:14
> n=2时应该只输入一个数,但是if(n>2) cin>>last WA了,光cin>>last却是AC的,奇也怪哉~
> 
> #include <iostream>
> using namespace std;
> const int inf=(int)50001,maxint=(int)10e8;
> int main()
> {
>   int n,mini,pre,now,i,last,a;
>   cin>>n;
>   mini=maxint;
>   cin>>pre;
>   for(i=2;i<n-1;i++)
>   {
> 	scanf("%d",&now);
> 	if(mini>now-pre)
> 	  mini=now-pre,a=i;
> 	pre=now;
>   }
>   if(n>2)  //n=2时应该只输入一个数;
>    cin>>last;
>   if(n<4)
> 	cout<<0<<endl;
>   else
>   {
> 	cout<<last+mini<<endl;
> 	printf("%d 1 %d %d\n",a+1,n,a);
>   }
>   return 0;
> }

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