70分,3个RE,求助

P3819 松江 1843 路

@[User1218883](/user/1218883) 可能你的a数组要开1e8
by C20252323tzy @ 2024-02-06 16:31:46


谢谢,我过了
by User1218883 @ 2024-02-07 09:03:03


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