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Re:暴力-》dfs 几点注意的

Posted by calabash at 2009-09-19 10:42:53 on Problem 3740
In Reply To:Re:暴力-》dfs 几点注意的 Posted by:Shinkai at 2009-08-26 11:51:47
> 3,对于必选的行,如果它们之间有冲突(某一列选了两次或以上),false掉
> 如果想不TLE,这一个剪枝就够了。
对的

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