无心为道's submissions for 1175 等比数列

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无心为道
on Oct. 9, 2009, 2:04 p.m.
0.01s
152.00 KB
无心为道
on Oct. 9, 2009, 2:02 p.m.
0.02s
152.00 KB
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AC | C
无心为道
on Oct. 5, 2009, 9:10 p.m.
0.01s
152.00 KB
无心为道
on Oct. 5, 2009, 9:02 p.m.
0.01s
152.00 KB