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<spoiler summary="Tragic Backstory">↵
In today's Codeforces round, I realised a minute before the contest that I had forgotten to register. "No problem", I thought to myself, "extra registration open in a few minutes". To try to minimise penalty losses due to my delayed submissions, I decided to start with problem C. Unfortunately, it took me longer to implement than I expected, and by the time I was ready to submit, the extra registration period had ended. Now I am left with nothing to do for the next hour and twenty minutes :(↵
</spoiler>↵
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As the title suggests, I would like to propose that Codeforces keep its extra (late) registration open throughout the contest. Unlike AtCoder, where such a system is problematic due to its penalty system, Codeforces' penalty for submissions increases every minute, and it is no different to registering 2 days before the contest, so it isn't exploitable.↵
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I don't see any reason not to have this, unless it is too much of a technical difficulty due to room allocation?↵
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E: Pinging [user:MikeMirzayanov,2022-03-30] as this seems popular, also bump for exposure.
↵
<spoiler summary="Tragic Backstory">↵
In today's Codeforces round, I realised a minute before the contest that I had forgotten to register. "No problem", I thought to myself, "extra registration open in a few minutes". To try to minimise penalty losses due to my delayed submissions, I decided to start with problem C. Unfortunately, it took me longer to implement than I expected, and by the time I was ready to submit, the extra registration period had ended. Now I am left with nothing to do for the next hour and twenty minutes :(↵
</spoiler>↵
↵
As the title suggests, I would like to propose that Codeforces keep its extra (late) registration open throughout the contest. Unlike AtCoder, where such a system is problematic due to its penalty system, Codeforces' penalty for submissions increases every minute, and it is no different to registering 2 days before the contest, so it isn't exploitable.↵
↵
I don't see any reason not to have this, unless it is too much of a technical difficulty due to room allocation?↵
↵
E: Pinging [user:MikeMirzayanov,2022-03-30] as this seems popular, also bump for exposure.