linghu's submissions for 1086 组合数

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linghu
on Nov. 1, 2007, 10:25 a.m.
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152.00 KB
linghu
on Oct. 25, 2007, 4:42 p.m.
0.00s
152.00 KB
linghu
on Oct. 25, 2007, 4:39 p.m.
0.02s
152.00 KB