Why I passed the pretests during the contest，but get TLE on a pretest after the system test?

Revision en2, by tou_xue, 2021-11-26 16:47:12

submission

I think it's because the volatility.

I hope anyone can rejudge it.

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  Rev. Lang. By When Δ Comment
en3 English tou_xue 2021-11-26 17:22:11 43 Tiny change: 'e it. \n\n' -> 'e it. \n\n---\n\nupdate: It was rejudged. Thanks!\n\n'
en2 English tou_xue 2021-11-26 16:47:12 3
en1 English tou_xue 2021-11-26 16:46:19 239 Initial revision (published)