Hi, I am Konijntje, staff of solved.ac. It's been a while!

We will hold solved.ac Grand Arena Round 3. (Division 1 / Division 2)

• Time: https://www.timeanddate.com/worldclock/fixedtime.html?iso=20231126T14&p1=235&ah=3, 180 minutes
• Problems:
  • Division 1: 7-8, in ICPC format
  • Division 2: 7-8, in ICPC format
• Difficulty:
  • Division 1: Problems A and B are the first and second easiest problems expected by the jury. The order will be random except for problems A and B.
  • Division 2: Problems are sorted ascending by the difficulty expected by the jury.
• Penalty: 20 minutes; The scoreboard will freeze 30 minutes before the contest ends. Compilation errors do not count toward penalties.
• Scoreboard: ICPC style. The contestant with more solves is ranked in a higher place. If two contestants have the same number of solves, the contestant with the small amount of the sum of penalties over all accepted problems is ranked in a higher place.
• Time and memory: There is a handicap for some languages.
• Rated range:
  • Division 1: Everyone. (Unrated — X)
  • Division 2: Unrated — S+.
  • For participants in overlapping rating ranges, you can register to the division of your choice. Note that Division 1 problems will be harder than that of Division 2 and are expecting participants whose performances in previous Arenas are at least SS.

Previous problems in the Arena contest can be viewed here:

• https://www.acmicpc.net/category/859

This contest is a solved.ac Arena contest. The following terms apply to an Arena contest.

• Your performance in the Arena will change your arena rating if you register on the solved.ac Arena page.
• Registrations are open until 5 minutes before the contest starts. You can cancel registration anytime before the contest begins.
• You can participate in the Arena without registering. In this case, your rating will not change.
• Please note that your rating will change even if you don't make a submission in the arena if you're registered.

Additionally, the following terms apply for Arena with separate divisions.

• Baekjoon Online Judge does not limit you from making submissions to other divisions while in contest. Make sure if you are making submissions to your registered division.
• If there are problems that overlap with other divisions (including Easy/Hard versions, etc.), for the overlapping problems, you must not make submissions to the same problem in other divisions until you get the correct answer to the problem in which division you are registered in. In case of violation, the rating will be calculated as if no problems have been solved in this Arena.

Among the participants registered in the Arena, the top 3 on the scoreboard and 3 randomly selected participants will receive a metal badge commemorating their participation in the Arena as a small souvenir.

Please refer to the following guide for registering in the Arena contest:

• https://help.solved.ac/en/arena/getting-started/link-account

We look forward to your participation. Thank you!