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Re:例子没错！！！In Reply To:看不懂题,特别是SAMPLE!! Posted by:054100532 at 2008-08-28 13:36:10 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. Followed by:
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