It's wrong!'s submissions for 1042 求等差数列的和

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AC | C
It's wrong!
on Dec. 25, 2007, 3:04 p.m.
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152.00 KB
0 / 0
AC | C
It's wrong!
on Dec. 25, 2007, 3:03 p.m.
0.00s
152.00 KB