洛谷不支持O2加速
by Mitchellyi @ 2023-10-04 10:46:23
@[Mitchellyi](/user/762538) 不懂请不要乱说。
by Eirin_Yagokoro @ 2023-10-04 10:49:09
@[DreamTsinghua](/user/1037516) 应该是数据太毒瘤或您的代码里存在 UB。
by Eirin_Yagokoro @ 2023-10-04 10:50:21
@[__dest__ruct__or__](/user/592238) UB是什么啊？
by DreamTsinghua @ 2023-10-04 13:58:47
@[DreamTsinghua](/user/1037516) 未定义错误。
by Eirin_Yagokoro @ 2023-10-04 14:01:39
@[__dest__ruct__or__](/user/592238) (• •)好哒
by DreamTsinghua @ 2023-10-04 15:16:45
@[DreamTsinghua](/user/1037516) gcd要return，不然O2 RE
by allen2010 @ 2023-10-13 19:50:17
@[allen2010](/user/643483) 蟹蟹，AC了
by DreamTsinghua @ 2023-10-13 21:06:12