• 个人简介

    清风若无扶我意,我自上天揽星辰。

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    This person is lazy and didn't join any contests or homework.
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    This person is lazy and didn't write any solutions.
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2
2011
1
2014
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组合数学
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数论
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NOIP 提高组
1
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洛谷原创
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1
统计
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NOIp 提高组
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USACO
1