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这题为什么会有0.2B的代码,难道是交数据吗?

Posted by yygy at 2013-01-16 11:20:09 on Problem 1921
In Reply To:这道题要怎么做? Posted by:mljack at 2006-08-10 23:52:44
> 感觉如果硬来的话,直线间的求交次数会很多,但是看大家提交的超时的很少,难道真是这样?
> 别的方面没什么思路,需要从哪方面入手,哪位给指条路?谢了谢了

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