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同感。其实就是要审题要审清。

Posted by crg511 at 2008-11-15 15:27:58 on Problem 2528
In Reply To:注意 转化为区间... Posted by:windyrobin at 2008-09-18 14:49:03 
> 离散化时注意，b 不变，e要加1 ,转化为端点的操作，即最小单元为
> [b ,b+1] ,不是[b b] 
> imagine the situation :
> 离散坐标：1 3 6 10
> 离散下标 [1 2 3 4] 
> when insert [1 5]
> it should [1 3] [3 10]
> not [1 3] [6 10]
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