irris @ 2024-11-01 17:23:49
大家好，我是出题人，欢迎大家参赛，感谢洛谷和赞助商支持。
请不要作弊，不要交流解法，不要闲聊，认真阅读比赛界面，提出问题可以 at 我，完毕。
其他事想不起来，到时候有重要的事情写在 这里。
by WA_sir @ 2024-11-01 17:33:40
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by VioletIsMyLove @ 2024-11-01 17:34:04
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by dyc2022 @ 2024-11-01 17:34:12
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by H2ptimize @ 2024-11-01 17:35:08
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by TYLOO_259 @ 2024-11-01 17:35:17
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by I_am_a_big_juruo @ 2024-11-01 17:35:59
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by 4041nofoundGeoge @ 2024-11-01 17:38:45
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by __zjr__ @ 2024-11-01 17:41:02
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by Quartz_Blocks @ 2024-11-01 17:42:31
qp!
by lizexi2012 @ 2024-11-01 17:43:11
qp