Sometimes due to hard problem A , number of participants get reduced which effect the rating change of every user,also some of my friend starts contest with problem d, if they crack it they do submissions, else they don't ,this should also be count as participation as only their best is getting counted.
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It doesn't prevent someone from viewing the problems from another user (or even without being logged in).
If you try to solve this by only allowing someone to view the problems if they registered, then someone can just register with two accounts and let one of them take the hit (always).
I thought of multiple ideas, and the best of them seems to be allowing registration only 1 hour before the round begins, and whoever is registered is counted (and people can unregister).
This way:
People commit to participating with their user before seeing the problems.
People won't register and forget they did, since the registration window is only 1 hour.
If a person want to join late to the round, they only need be to online for any moment in the 1 hour window.
If a person wants to start the round on time, it is expected that they will be online before the round begins in order to register.
If they always let one of the accounts take a hit, the rating drop will be massive (~250 points). It effectively erases any rating points gained by employing this strategy, and then some.
After they lose a lot of rating in that account, it would take 2-3 good contests on that account to get back to the same rating. Its a lot of commitment for someone looking to farm rating. I dont even know if there's a point to this strategy.
Just ignore that account's rating lol
what's the point of registering from that account then? the rule is proposed is that you can't register after the round starts.
Create a temporary account to view the problems and always register with both the temporary and the real. View the problemset from the temporary and if you decide to participate, open the contest from the real one.
I thought that the OP suggested making a contest rated if you register, regardless of your submission, exactly as AtCoder does it.
In this case, opening registration one hour before seems to be the best (and closing registration/unregisteration right when the contest starts) since it prevents accidentally forgetting about the contest.
I get what you mean now, but I think at that point what they were proposing was:
In that case, you could use a burner account to read the problems and decide if you want to participate in the contest.
wtf so much down vote
Noam527 it wont let someone make submission :), No use of reading problems from other account if u aren't able to submit