萌新刚学OI,这题WA90分,求各位dalao帮忙看看

P4364 [九省联考 2018] IIIDX

@[GoldenPotato137](/space/show?uid=52563) 不好,是萌新 awsl
by ニヒル @ 2019-03-13 16:24:44


@[ニヒル](/space/show?uid=185441) 救救孩子吧![AkV6jf.png](https://s2.ax1x.com/2019/03/13/AkV6jf.png)
by GoldenPotato137 @ 2019-03-13 16:28:35


草,我是被卡精度了
by Imakf @ 2020-06-11 15:46:01


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