ICPC Regional Rules for Regionals 2025/26

• Please see the ICPC Regional Rules for Regionals 2025/26 for team composition requirements for ICPC Regional to be eligible for promotion to the World Final.

Reference materials

• Each team are permitted a reference material:
• Up to 25 pages of A4 papers (210 × 297 mm) with text readable by a normal person at a distance of 0.5m. Two-sided printing will be counted as two pages.
• Must have team and university name on the front page, and page number on every page. They may be stored in a binder or folder.
• 3 identical copies are permitted for each team member.
• All content must be printed. The front page may have handwritten corrections.
• Stationeries including pencils, pens, erasers, rulers are permitted.
• Everything (materials + stationeries) must be left at your station on the practice day for inspection. They will be placed on your desk for you on the competition day.

Other materials

• The following items may be brought into the contest room, but must be left at your station on the practice day:
• Mascot dolls
• Candies
• Ya Dom (Thai nasal inhaler) and other medicines.
• Prohibited items:
• Electronics including mobile phones, digital watches, mouse, keyboard, and calculator.
• Any storage devices including flash drives or CD discs.
• Other food and drinks. Water and snacks will be provided during the competition.

• Contestants must enter the contest room empty-handed.
• The organizers will provide a safe place for your belongings.
• Please do not bring valuables. You may ask your coach to hold on to the valuables for you.
• If you wish to use jackets or coats during the contest, please leave them in the room on the practice day.
• You can bring all your belongings on the practice round.
• Staff will bring contestants to the contest room.
• One computer will be provided per team. Internet access is not available.
• Contestants must NOT communicate with coaches or contestants outside their teammates.
• No external food or drink is permitted in the contest room (except candies that must be left on the practice day). Snacks and water will be provided.
• Contestants cannot leave the contest room before the time expires.
• Each team will have access to a printer with limited quota during the contest.
• During the competition, balloons will be distributed.

• Available languages: C, C++, Java, Python 3, Kotlin.
• Scoring follows the standard ICPC rules which is detailed in ICPC Regional Rules for Regionals 2025/26.
• The contest duration is 5 hours. The organizers reserve rights to adjust the contest time should unforeseen circumstances occur. The adjustment will be announced promptly.

• Intel Core i5-7500T 2.7GHz
• 8GB RAM
• 1TB HDD
• 23" 1920x1080 monitor
• ANSI QWERTY Keyboard
• 2-button Mouse with Wheel

• C: gcc -x c -g -O2 -std=gnu11 -static -o"$DEST" "$@" -lm
• C++: g++ -x c++ -Wall -O2 -std=gnu++20 -static -pipe -o "$DEST" "$@"
• Java: javac -encoding UTF-8 -sourcepath . -d . "$@"
• Python: pypy3 -m py_compile "$@"
• Kotlin: kotlinc -d . -Djava.io.tmpdir=/ "$@"

• C/C++: GCC 13.3.0
• Java: OpenJDK17
• Kotlin: 2.2.20
• Python: 3.11.13 (with pypy3 installed)

• vim 9.1
• gvim 9.1
• emacs 29.3
• gedit 46.2
• kate 23.08.5
• geany 2.0
• IntelliJ Idea Community Edition 2025.2.3
• PyCharm Community Edition 2025.2.3
• VSCodium 1.105.06922

• Any other rules not mentioned above will follow those specified in ICPC Regional Rules for Regionals 2025/26.