Cocoly1990's blog

By Cocoly1990, history, 13 months ago, In English
  1. This problem is basically the same as CF765F, which has a difficulty rating of *3100.

  2. Some contestants obtained hints from previous solutions during the contest, so the current rating is inaccurate.

  3. The difficulty of this problem is indeed greater than *2600.

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By Cocoly1990, history, 19 months ago, In English

the rating rolled back,so I've already register for both two devisions,can I join Div2 tonight?or what should I do?>_<

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