Hello Codeforces,
I would like to propose a challenge to all this year's IOI contestants:
Before the first day of contest pick some positive real constant C.
During the IOI do C push-ups for each point you fail to score at the contest. Formally, if you score P points, you will have to do (600 - P)·C push-ups. You can do your push-ups during whole IOI and you are not forbidden to do more push-ups than you have to (which means that you can start doing your push-ups even before the first contest day).
This challenge is not completely new, several contestants have been doing it since IOI 2013, but as far as I know, it was never proposed publicly.
Feel free to share your chosen constant C and later also number of push-ups you have to do and your progress in comments.