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Re:例子没错！！！

Posted by zhuxi0511 at 2010-10-09 16:42:29 on Problem 3640 and last updated at 2010-10-09 16:43:22
In Reply To:Re:例子没错！！！ Posted by:lbb10_16 at 2009-08-28 14:52:06 
> 题目说是 exactly the same combination of courses ，是指选的课程全部都一样才算上一个popularity .第一个#1和#3是一样的，所以是2，第二个没有一样的，popularity的值一样，所以是3.

非常感谢楼上解释的例子，题读的好纠结
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