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排序了确实快了一点,但还不知道还有什么可剪的,来看看我的剪法。

Posted by ImLazy at 2005-10-29 11:50:15 on Problem 1011
In Reply To:你们暴搜就0MS,我暴搜就TLE,看来我搜得太暴了。 Posted by:ImLazy at 2005-10-28 21:39:02
我就是DFS的每一层中把每根还没取过的棍都取一遍(长度一样的不重复取),如果与以前取的加起来大于我要的长度,那么这一枝就剪掉;如果等于我要的长度,那么把以前取的长度清零,继续DFS;如果小于,也继续DFS。
还有哪里可以剪呢?

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