好吧，提交答案咕了四个月了

站务版

跪求修正
by HPCat @ 2020-01-19 21:51:29

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哦对了还有洛谷4日报显示方式
by HPCat @ 2020-01-19 21:59:02

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@[__OI_Cat__](/user/152855) U102486 U102566 CF896E by DL24 mly
by ChthollyForever @ 2020-01-19 22:04:23

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@[lin_toto](/user/256)
by HPCat @ 2020-01-20 10:02:30

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