比较经典一个课程学分表C(cno, cname, ccredit)一个学生选课表SC(sno,
cno, grade)select sno from sc,c where sc.cno=c.sno and sc.grade>=60 group by
sno having sum(credit)>=3...
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其他好文 时间：
2014-05-19 17:06:41
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218
【题目】
Problem E
Open Credit System
Input: Standard Input
Output: Standard Output
In an open credit system, the students can choose any course they like, but there is a problem. Some of the stude...
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其他好文 时间：
2014-05-03 00:22:50
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380
