FrozenBit's blog

By FrozenBit, history, 5 years ago, In English

Why Codeforces rating update takes a long time?

I noticed that some contest's rating updates very quickly, on the other hand, others take a long time. What's the reason behind it?

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5 years ago, # |
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Even I am waiting for the same :/

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    5 years ago, # ^ |
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    I need to know the reason.

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      5 years ago, # ^ |
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      Ratings after Div 2 and Div 1 contests are updated within 3 to 4 hours since there is no hacking period after the contest. Hacking occurs before the contest ends.

      As for Educational rounds, Div 3 and Div 4, there is a 12 hours hacking period immediately after the contest ends. And then, after 3 to 4 hours, the rating gets updated.

      As for today, the matter is different from general Div 3 rounds. The question D in yesterday's contest had some problems. You can check the problem here: