kai's submissions for 1031 对称串

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kai
on Dec. 8, 2010, 4:29 p.m.
0.02s
160.00 KB
kai
on Dec. 8, 2010, 4:28 p.m.
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160.00 KB
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AC | C
kai
on Dec. 8, 2010, 4:18 p.m.
0.02s
168.00 KB