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DP+求补集

Posted by ANewStart at 2004-12-26 17:15:02 on Problem 2151
In Reply To:冠军至少做N题这个概率怎么求? Posted by:hacky at 2004-12-26 17:11:37 
> 是不是求出冠军至少做N题的概率, 再乘上每队至少做一题的概率, 就是最后结果?
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