余昕阳's submissions for 1550 等比数列求和

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余昕阳
on May 16, 2010, 4:14 p.m.
0.09s
160.00 KB
余昕阳
on May 16, 2010, 4:12 p.m.
0.08s
160.00 KB
余昕阳
on May 16, 2010, 3:06 p.m.
0.14s
236.00 KB
余昕阳
on May 16, 2010, 2:58 p.m.
0.14s
236.00 KB