xie's submissions for 1093 求逆序数对

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AC | C
xie
on March 27, 2009, 8:57 p.m.
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152.00 KB
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IR | C
xie
on March 27, 2009, 8:54 p.m.
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0 B
xie
on March 27, 2009, 8:48 p.m.
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152.00 KB