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Re:晕哦，1201AC，1716WA？

Posted by Clone_ at 2018-07-16 18:42:53 on Problem 1716
In Reply To:晕哦，1201AC，1716WA？ Posted by:mightyvoice at 2009-05-29 20:37:40

>     结果仔细一看1201中a<=b,1716中a<b,所以建图就不一样，一改就AC了，不过还是有点朦胧，求高手指教啊，谢了。
>      1201中我建图是:p1[i]=a-1,p2[i]=b;1716中我是p1[i]=a,p2[i]=b+1;
>      没想明白为什么要这样建图，朦胧的就过了。
因为这题下标会出现0，减1就凉了呀

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