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Re:这么就过了？我还不知道我的做法为什么是对的

Posted by Iambitious at 2007-03-23 12:01:07 on Problem 2312
In Reply To:这么就过了？我还不知道我的做法为什么是对的 Posted by:frkstyc at 2005-04-14 21:41:19 
我也是这么做的，我是这么想的:
如果你不走砖的那个点，为什么要冲它开炮
而且先开炮和后开炮没有区别，所以把砖看作特殊的点，到达此点需要2个周期，而empty的点之需要一个，然后就是简单的flod算法了。
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