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Re:请问sample的第一个case怎么得出3的?如果带4个人,那么他们不也是any two 都满足条件吗???

Posted by tanzhifeng at 2008-03-07 21:02:13 on Problem 2771
In Reply To:请问sample的第一个case怎么得出3的?如果带4个人,那么他们不也是any two 都满足条件吗??? Posted by:doommetal at 2007-10-29 11:06:27
第1个与第4个不满足条件!

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