知识之海's submissions for 1186 均方差

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AC | C++03
知识之海
on April 2, 2011, 2:14 p.m.
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212.00 KB
知识之海
on April 2, 2011, 12:50 p.m.
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212.00 KB
知识之海
on April 2, 2011, 12:37 p.m.
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212.00 KB