Prelinary info

STATEMENTS

Information

• Schedule: Fri 1/16 — early entry and early departure allowed

  • 13:00–13:30 Venue entry

  • 13:30–14:00 Preliminary briefing: important notices

  • 14:00–16:00 Preliminary session (contest)

• Location: Korea University (Anam), Aegineung Student Center, Room 301

• Participation is not mandatory, but we strongly recommend attending, as the preliminary session may help you in the main contest.

  • We highly recommend attending in person to check your internet connection and the contest environment, and to try solving problems in advance.

  • The special prize for the preliminary-session problems is only for those who participate offline in the preliminary session. 

  • If you absolutely cannot attend offline, we recommend participating online via the Baekjoon Online Judge Open Contest. 🔗

• If cheating occurs, you will be removed from the venue without warning.

  • In case of cheating, you will receive a score of 0 regardless of the reason, and you will be excluded from both the main contest and the open contest rankings.

  • You will also not receive the background/badge if you cheat.

Contest environment

• It will be conducted via Baekjoon Online Judge. 🔗

  • Your ID and password will be provided at the venue.

• You must bring your own laptop.

  • You may bring up to one each of the following: laptop, keyboard, mouse, and monitor, and they must not be too loud.

• For internet access, you must use one of the following:

  • Personal internet (recommended)

  • Korea University Wi-Fi (KU students only; authentication required)

  • eduroam (please look up how to use it on your own)

  • If all three options are difficult for you, please contact 010-4831-3499 in advance.

• Power outlets will be available at the venue, so please bring your laptop charger.

  • If you are unable to prepare any required items due to unavoidable circumstances, please contact 010-4831-3499 in advance.

Contest Guidelines

• Please do not discuss or talk about the problems after the preliminary session ends and until the main contest ends.

  • This includes both online communities and offline conversations. 

  • Even simple comments like “it was easy/hard” are included.

• Offline participation is the default, but if you cannot participate offline due to unavoidable circumstances, you may do one of the following:

  • Participate via Baekjoon Online Judge Open Contest 🔗

  • You may also choose not to participate, but we do not recommend it.

• For the preliminary session only, searching and using pre-written code are allowed.

  • However, any use of AI is strictly prohibited.

    • Since the difficulty has gotten easier and given the recent pace of AI development, it feels like the end of the human era has arrived.

    • Use of AI tools such as ChatGPT, Gemini, Copilot, Cursor, etc. is absolutely prohibited, and if detected, it will be treated as cheating.

      • An exception is made for AI summaries shown on Google search result pages, which are allowed unavoidably; however, if you click “More” or abuse this feature, it will be treated as cheating.

  • In the main contest, not only AI but also searching and the use of pre-written code are all prohibited.

    • Online IDEs such as Colab and IDEOne are also prohibited in the main contest.

• Participation is not mandatory, but it is strongly recommended.

• For the preliminary-session special prize, it will be awarded only to offline participants.

• On the day of the preliminary session, you can check your internet connection and test the contest environment.

• In the preliminary session, devices such as a tablet (in addition to one laptop) may be used, but they cannot be used in the main contest.

• Printed problem statements will be provided in either Korean or English, based on the language you selected when registering.

  • On the BOJ site and in the PDF uploaded there, you can view the statements in both languages.

• The preliminary session has 6 problems.

  • The problem order is not sorted by difficulty.

    • The intended difficulty order is: PA < PD < PB < PC < PE < PF.

  • In the preliminary session, problems may include ones previously used in KCPC or MatKor Cup.

• For testing purposes, the scoreboard will be frozen 30 minutes before the end of the preliminary session.

• For the preliminary session, we will answer all reasonable questions.
  Use the contest’s Questions tab, or raise your hand to ask.

• For the preliminary session, late entry after 14:00 and early exit before 16:00 (mid-session entry/early departure) are allowed.

  • However, you must inform the staff in advance for headcount tracking.

  • When leaving, please return your name tag.

• During the contest, you must not communicate with anyone other than the staff—this includes other participants, outsiders, GPT, chess, Tetris, “SimSimi,” or anyone else.