My coffee cup is not empty but I feel pity for the delay of the following round.
It was not the mistake of the problem authors and they have pay a lot for this round. I think they may be more sad than us so don't downvote the announcement plz.

My coffee cup is not empty but I feel pity for the delay of the following round.
It was not the mistake of the problem authors and they have pay a lot for this round. I think they may be more sad than us so don't downvote the announcement plz.
