jx0223's submissions for 1182 母牛问题

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jx0223
on Jan. 21, 2008, 10:03 a.m.
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152.00 KB
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jx0223
on Oct. 19, 2007, 11:20 a.m.
0.19s
152.00 KB
jx0223
on Oct. 19, 2007, 11:08 a.m.
0.00s
152.00 KB
jx0223
on Oct. 19, 2007, 11:08 a.m.
0.00s
152.00 KB