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Re:请问SHU_D Firing range这题的output

Posted by CO2 at 2006-10-21 15:02:00
In Reply To:请问SHU_D Firing range这题的output Posted by:RoBa at 2006-10-21 15:00:43
> 输出是什么规则?相连的区间必须连在一起么?
> 
> 如果输出
> 4
> 0 50
> 70 100
> 200 270
> 320 360
> 
> 这样对不对?有没有spj?

Arcs should be sorted in ascending order by using li as the first keyword, ri as the second keyword.

相连的区间必须连在一起。


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