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从一般位置上的n条直线,一条一条摆成平行,如果一个方向不能继续平行,就换另一个方向,算是dp吧

Posted by sothink at 2005-02-07 11:48:06 on Problem 1923
In Reply To:请问大哥们这题是怎样推出结论来的? Posted by:mkomko123 at 2005-02-07 11:04:47
> 很容易吗?还是有现成的结论?谢谢!!!!不胜感激。

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