btw, I‘ll support Sigma-Sagittarius.

because you mention that "A guy from Telegram @Miacul233 just solved Problem D in today's contest and leaked a buggy code in one of the Telegram groups @coding_communitiy".

I think he's hacking will give these cheaters a lesson.

Yeah, just a little different on constraints.

I've got the info just now.

Two big mock contest have used this problem, and at least 150 people in China have participate in these two contest.

A blog open to public.

That's might not just a coincidence ~

The 10-th man even wrote a blog for that.

You could see via this link

It is under the G.game, you could click the second block under it and see the code.

Because many school in China have used this problem for practice.

So it is well-known.

Fun fact: E's Sample and the Format is the same as a "similar" Problem.

Similar Pro:

E:

Fast Editorial！

It's a great contest，I love it.

I thought the contest would exercise my mind, but E was too difficult for me ...... :(

Fast Editorial！ SpeedForces！

2021-6-11's code：https://www.luogu.com.cn/blog/jzm/solution-p6185

It's NOI Online 2020 Round 1's problem.

Attention!

Your solution 119862059 for the problem 1537F significantly coincides with solutions All_Forward/119856937, royo_sea/119862059. Such a coincidence is a clear rules violation. Note that unintentional leakage is also a violation. For example, do not use ideone.com with the default settings (public access to your code). If you have conclusive evidence that a coincidence has occurred due to the use of a common source published before the competition, write a comment to post about the round with all the details. More information can be found at http://codeforces.ml/blog/entry/8790. Such violation of the rules may be the reason for blocking your account or other penalties. In case of repeated violations, your account may be blocked.

Attention!

Your solution 119862059 for the problem 1537F significantly coincides with solutions All_Forward/119856937, royo_sea/119862059. Such a coincidence is a clear rules violation. Note that unintentional leakage is also a violation. For example, do not use ideone.com with the default settings (public access to your code). If you have conclusive evidence that a coincidence has occurred due to the use of a common source published before the competition, write a comment to post about the round with all the details. More information can be found at http://codeforces.ml/blog/entry/8790. Such violation of the rules may be the reason for blocking your account or other penalties. In case of repeated violations, your account may be blocked.

A code from 2020-03-17 ： https://www.luogu.com.cn/blog/AC-Evil/solution-p6185

Extra points for the first six contests.

1 8 9 9

I used input from 2e5 and it ran 410ms, 52.67MB

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