xiaose's submissions for 1174 1!到n!的和

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AC | C
xiaose
on April 15, 2009, 1:48 p.m.
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152.00 KB
xiaose
on April 15, 2009, 1:31 p.m.
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152.00 KB
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IR | C
xiaose
on April 15, 2009, 1:29 p.m.
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0 B
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IR | C
xiaose
on April 15, 2009, 1:29 p.m.
0.00s
0 B