题目描述：
Description
Furik loves math lessons very much, so he doesn't attend them, unlike Rubik. But now Furik wants to get a good mark for math. For that Ms. Ivanova, his math teacher, gave him...
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其他好文 时间：
2014-05-03 16:45:31
阅读次数：
234
题目描述
Cainiao is a university student who loves ACM contest very much. It is a festival for him once when he attends ACM Asia Regional Contest because he always can find some famous ACMers there.
C...
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其他好文 时间：
2014-04-28 10:33:40
阅读次数：
340
