The following are corrected solutions. An unfortunate error occurred in task number 2 for the 5th and 6th grades about the tournament. Answer 8 and the solution were wrong with the organizers. According to the comments, we checked this task and corrected everything. Unfortunately, the answer in the problem "this situation is impossible", and therefore no team coped with it. Perhaps students of 9 or even high school could provide such an answer,for students in grades 5-6 – this is not natural. We apologize for such a task. But this did not prevent to correct the results of this task, since all the answers of the teams are stored in the jury.
2018-19 Solution All-06 (2)
Below are the conditions and solutions, as well as the final results in the leagues. The jury honestly reviewed all the comments asking for a review and wherever the error was made, it was corrected.
I remind you that the Olympiads have the concept of an absolute place (not very popular) and a diploma of the appropriate degree. The nameplate indicates the distribution of diplomas.
GLORY TO UKRAINE!!!